PAPER PLAINE

Fresh research, simply explained. Updates twice daily.

AI for AI: Optimizing Additional Infrastructure Build-out to Power Artificial Intelligence Data Centers

Why the power grid can't keep up with AI's explosive electricity hunger

AI data centers are demanding electricity faster than power plants can be built, driving up energy prices with no relief in sight. Using mathematical models that account for real-world uncertainties—from construction delays to the risk of building too much capacity—researchers found that even when investors know demand is soaring, they still hesitate to build enough new power plants, because they fear overbuilding and losing money.

As AI companies expand, electricity costs will keep rising unless investors become more willing to take on the risk of building excess capacity. Higher power prices ripple through AI services, potentially making them more expensive for everyone and slowing innovation. The analysis reveals that relying on market incentives alone won't solve this bottleneck—policymakers may need to step in to coordinate grid expansion with data-center growth.

Adaptive Entangled Game Modules in Artificial General Intelligence

Stock traders act like entangled quantum systems, not rational individuals

Researchers analyzing Chinese stock market trading found that 89% of trader decisions follow patterns predicted by a quantum-inspired model of interconnected, adaptive agents—far more than the less than 5% explained by traditional finance's assumption of independent rational actors. Traders also show sudden shifts in their decision-making when exposed to news and events, suggesting their brains operate through entangled mechanisms similar to quantum systems rather than through isolated rational calculation.

Financial forecasting has relied for decades on models assuming traders act independently and rationally, which consistently fail to predict real market behavior. This research suggests that AI systems trained on quantum-inspired brain models could predict market movements and trader behavior far more accurately than current systems, potentially improving everything from trading algorithms to risk management and policy design. It also points toward building artificial intelligence that mimics how human brains actually work—through interconnected adaptive systems—rather than through brute-force neural networks that require trillions of hidden parameters.

Artificial Intelligence in Equity and Crypto Markets: Progress, Profitability Evidence, and the Limits of Automated Investing

Why AI's investment breakthroughs don't always translate to real profits

AI systems show genuine progress at predicting markets and processing financial news, but almost none consistently make money after accounting for trading costs and real-world constraints. The gap between what AI can predict and what actually turns a profit is larger and more persistent than most published studies suggest.

Investors and firms betting on AI-driven trading strategies need honest accounting of what works. The paper exposes common statistical traps—like testing strategies on old data or cherry-picking winners—that make mediocre systems look brilliant. Without addressing these flaws, money will keep flowing to strategies that underperform, while genuinely profitable AI approaches remain harder to identify.

Mean-field equilibrium of heterogeneous agents under market impact

How traders with different time horizons shape prices through collective action

When traders act on forecasts over different time periods—some thinking seconds ahead, others days or weeks—their collective buying and selling pushes prices up and down in predictable ways. This paper shows mathematically how an equilibrium emerges: traders anticipate both future signals and the market impact from others' moves, and at balance, the price's predictable component cancels out, leaving only random noise plus the collective footprint of their positions.

Understanding how market impact accumulates across traders with mismatched time horizons helps regulators and traders predict price movements and volatility patterns. The model explains why prices sometimes appear smoother or choppier depending on the mix of fast and slow traders in a market—knowledge that affects how exchanges are designed and how large trades should be executed to minimize disruption.

Tempting the Agent: The Economics of Reputation without Persistent Identity in AI Agent Markets

When AI agents can dump their identity, does reputation still keep them honest?

When an AI agent can abandon its reputation and start fresh with a new identity at low cost, reputation stops working as a disciplinary force. Researchers modeled this problem mathematically and found that an agent's willingness to cheat depends on how expensive it is to reset identities, how quickly reputation fades, and how much customers care about past performance—showing that cheap identity switches can make reputation nearly useless at preventing fraud.

As autonomous AI agents increasingly handle money and services on blockchain systems, this matters directly: if an agent can trash its reputation and get a new one cheaply, it has every incentive to take shortcuts and cut corners until it's caught, then simply disappear and restart. The research identifies which market designs actually prevent this—and which don't—so platforms can build systems where agents genuinely have skin in the game.

Authority-Inference Separation in Agentic Finance: First-Line Control, Blockchain Enforcement, and Replayable Assurance

Keeping AI financial agents from acting without explicit human approval.

When AI agents make financial decisions, they shouldn't be able to execute trades just because they can think them up. Researchers built a system called Authority-Inference Separation that forces a separate human-controlled approval step before any AI-proposed trade can run—checking the agent's identity, the owner's account limits, the specific risk policy, and exact transaction details. In tests against 36 simulated attacks that fooled baseline systems, the new approach blocked all attacks while still approving legitimate trades.

AI-driven trading and financial services are growing, but if an AI agent can both decide and execute a trade, a single bug or adversarial prompt could drain an account or lock up client money before anyone notices. This system creates an enforced separation: the AI proposes, but humans and pre-set rules decide whether the proposal actually runs. Banks and fintech firms adopting this approach get an auditable record of *why* each trade was approved or blocked, reducing rogue-agent risk and making it possible to prove later who was responsible for any losses.

Optimal Block Time for AMM Liquidity Providers under Jump-Diffusion Prices

Why making blockchain blocks faster doesn't always help liquidity providers

When prices jump suddenly instead of moving smoothly, making blockchain blocks faster stops helping liquidity providers avoid losses at a certain point. Researchers found that roughly one-quarter of losses at Ethereum come from these sudden price jumps that no block speed can prevent, and this fraction grows even larger on faster chains like Solana.

Blockchain developers often assume faster blocks help protect traders who provide liquidity to exchanges, but this research shows there's a hard limit to what speed can achieve. The optimal block time turns out to be around 8 seconds regardless of how big the pool is or how volatile prices are—meaning some losses are structural to markets with sudden price movements and cannot be engineered away.

Reflexivity from Hierarchical Causality

How financial markets' top-down rules create self-reinforcing feedback loops

When higher-level market rules constrain what trades are allowed, they create a feedback loop where the rules themselves influence the timing and sequence of trades—which then feeds back up to reshape those same rules. The paper shows that this top-down constraint, combined with how individual trades happen in real time, can generate multiple competing causal pathways even when the underlying trading mechanics follow predictable patterns.

Market reflexivity—where prices influence the rules governing trading, which then change prices—has long been observed but poorly understood mathematically. This framework clarifies how regulatory constraints and trading mechanics interlock to create self-reinforcing market dynamics, which matters for predicting when interventions (like circuit breakers or position limits) will work as intended versus when they'll trigger unintended cascades.

Your AI, On a Dial: Controlling Investment Bias in LLMs with a Single Neuron

A single dial to make AI lean bullish or bearish on stocks

Researchers found they can control whether an AI recommends buying or selling stocks by tweaking a single neuron—without rewriting prompts or changing the model itself. The adjustment works smoothly across a spectrum from strongly bullish to strongly bearish, and it changes not just what the AI recommends but also which evidence it emphasizes and what information it searches for.

If AI systems increasingly guide real investment decisions, being able to dial their bias up or down matters for transparency and control. Right now, different AI models have hidden preferences that aren't obvious to users. A calibration dial means investors and institutions could explicitly set and audit the AI's stance—or detect when a system's recommendations are being subtly skewed without permission.

Output-Only Identification and Spectral Monitoring of Coupled Feedback Networks with Known Time-Varying Actuation

Finding hidden connections in financial networks when you can only see the outputs

When financial systems like leveraged funds automatically rebalance their portfolios, they create feedback loops that ripple across markets—but those ripples are hard to measure because traders can't directly observe how each connection works. This paper shows how to map those hidden connections using only public information (like fund disclosures) and observed market movements, even without access to the internal trading signals. The method works by exploiting the predictable patterns created when rebalancing rules change over time.

Financial regulators and risk managers need to understand how feedback loops between funds, exchanges, and other market participants could amplify market stress or trigger cascading failures. This technique lets them reconstruct those hidden networks from public data alone, making it possible to spot dangerous feedback loops before they destabilize markets—without requiring firms to disclose their internal trading rules.

The Loop-Gain Matrix: Coupled Rebalancing Feedback and the Blind Spots of Scalar Stability Monitoring

How leveraged funds hide systemic risk by watching the wrong numbers

When multiple leveraged exchange-traded funds trade related assets, they create hidden feedback loops that single-product monitoring completely misses. Researchers found that watching each fund individually reports 'safe' while the full system is actually unstable, and in Korea's 2026 crisis, invisible spillover from one fund's rebalancing accounted for 41% of price swings in another asset.

Regulators and exchanges currently monitor leveraged funds one at a time, meaning they cannot see the cascade risks that emerge when funds rebalance together. The Korean case shows these blind spots are real and costly: investors in Samsung Electronics experienced large, unmeasured price moves caused by rebalancing in a separate stock complex. Fixing this requires monitoring the entire web of connected funds, not each in isolation.

The Price of Permission: Classification Uncertainty in Constrained Capital Markets

When Islamic finance rules change, who actually buys the stocks?

When a stock becomes eligible to buy under Islamic finance rules, its price typically rises 1.76 to 2.25 percentage points over the next few weeks — but only if the stock trades frequently enough and the permission change is official. The effect disappears for less-traded stocks and doesn't show up consistently across different Islamic screening standards, suggesting the price bump reflects real demand from newly-permitted investors rather than a universal market rule.

Islamic finance restrictions exclude $2+ trillion in global assets from many stocks, making permission status a major determinant of who can invest and when. Traders and fund managers need to know whether newly-permitted stocks are cheap relative to risk (a buying opportunity) or whether the price has already adjusted for the permission change (no edge). This research shows the answer depends on the stock's liquidity and whether the permission comes from an official regulatory body — helping portfolio managers decide when classification changes actually matter for trading.

Systemic Risk in Financial Networks Revisited: Debt Dilution as a Backdoor Bail-in

How banks' debt can absorb losses automatically without formal bailouts

Banks can use certain types of debt to automatically shift losses to creditors when financial shocks hit, without needing government intervention or court-ordered restructuring. The researchers found that this "backdoor bail-in" actually makes interconnected banking networks more stable, not less—reversing conventional wisdom that links indebtedness to fragility.

Banks currently rely on government rescues or lengthy legal processes to manage crises, both costly and slow. If interbank debt is structured correctly, losses get absorbed automatically during stress, potentially limiting contagion without taxpayer bailouts. The researchers also explain why real banking networks adopt core-periphery structures: they're harder to destabilize, even if they don't perfectly optimize risk-sharing.

Concentrated Liquidity Provision: a Reinforcement Learning Perspective

When to shuffle your crypto holdings to maximize profits

When people provide liquidity to decentralized exchanges like Uniswap, they face constant choices: when to rebalance their positions and which price ranges to bet on. Researchers used reinforcement learning—a form of artificial intelligence that learns through trial and error—to discover winning strategies, and found that the best approaches adapt to market conditions by accounting for mispricing, rebalancing costs, and how confident the AI is about future prices.

Liquidity providers lose money in volatile markets, and bad timing on rebalancing can wipe out gains. These AI-learned strategies reduced catastrophic losses during market swings compared to simpler approaches, which could help individual traders avoid the kind of sudden, outsized losses that have become common in decentralized finance.

Is the medium the message? Social disclosure channels and firm risk

Where companies announce social issues shapes how investors view risk

Companies that disclose social and labor issues for the first time through SEC filings see their stock risk increase, while ongoing disclosures in sustainability reports lower risk. The channel matters as much as the message: unexpected information published in SEC filings signals genuine news, whereas routine updates in dedicated sustainability reports reassure investors.

Investors trade billions based on how they perceive company risk, and this research shows that the same social disclosure can either alarm or comfort investors depending on where it appears. Companies planning to disclose social problems face a real choice: burying new concerns in standard SEC filings will likely spook markets, while establishing regular sustainability reporting and integrating disclosure into financial reports can actually reduce perceived risk. Regulators and investors should treat first-time SEC social disclosures as material signals worth attention.

Retained hidden excess generates memory in price-limited markets

How hidden price movements create predictable stock patterns

When stock exchanges cap daily price swings, the excess movement that gets cut off doesn't disappear—part of it bleeds into the next day, creating predictable patterns even though each day's shocks are independent. This hidden carryover makes stocks more likely to hit the same price limit again the next day, and when they do, the effect is proportional to how wide the price limit band is.

In markets with price limits (common in Asia and during crises), traders can exploit this momentum to predict which direction a stock will move after hitting a limit. Understanding this mechanism helps regulators design better circuit breakers and helps investors avoid being caught off guard by what looks like random volatility but actually follows a predictable pattern tied to how wide the price bands are set.

FlowLOB: Efficient and Controllable Limit Order Book Generation with Flow Matching

A faster way to simulate realistic stock market order flows for testing

Researchers created FlowLOB, a new tool that generates realistic simulations of limit order books—the electronic records of buy and sell orders at different prices—with much greater speed and control than existing methods. The system works by learning patterns from real Hong Kong Exchange trading data and can then create believable "what-if" scenarios for instruments it never saw during training, while using 10 times fewer computational steps than competing approaches to reach the same quality.

Financial firms use order book simulators to test trading strategies and risk management without real money, making the speed and realism of simulation crucial. FlowLOB's efficiency means traders can run more scenario tests faster and cheaper, while its ability to control conditions—like simulating extreme market stress—helps firms prepare for rare but dangerous events. The zero-shot transfer to new stocks means a single trained model works across a brokerage's entire portfolio without retraining.

Sectoral inter-dependencies drive the loss of structural balance in signed financial networks

Why stock market crashes spread between industries, not within them

During financial crises, the stock market's stability breaks down not because individual sectors fall apart internally, but because conflicts between sectors compound each other. Researchers analyzing S&P 500 data found that cross-sector tensions—like supply chain disruptions and inflation uncertainty—drive most of the structural instability seen during economic downturns.

Understanding where financial instability originates helps regulators and investors spot systemic risks earlier. Since crises spread through inter-sector connections rather than individual sector weakness, monitoring relationships between industries—like how energy prices affect manufacturing—becomes a more reliable warning system than watching any single sector alone.

FinRank: An Evidence-Grounded Benchmark for Financial Question Answering and Retrieval over SEC Filings

Spotting when financial AI finds the right answer in the wrong place

A new test for financial AI reveals a hidden problem: systems can answer questions about company finances correctly while pointing to the wrong evidence in SEC filings. The benchmark includes 1,185 real questions about company reports, with deliberately tricky wrong answers drawn from similar facts elsewhere in the same filing, earlier periods, or competitor companies. Even advanced AI systems struggle, with the best reaching only 45% accuracy when forced to find the right evidence, and dropping 13–20 percentage points when tested on hard-to-distinguish wrong answers.

Investors, regulators, and analysts increasingly rely on AI to search financial documents for facts about companies. If an AI finds the correct number but attributes it to the wrong quarter or the wrong company, someone making a million-dollar decision based on that answer could lose everything. This benchmark forces developers to build systems that not only get the right answer but prove it came from the right place—making AI-powered financial research trustworthy enough to act on.

Counterfactual Analysis via Large Language Models

Can AI predict how loan profits would change under different interest rates?

Researchers tested whether ChatGPT could predict how loan returns would change if interest rates were set differently—a type of "what-if" analysis critical for lenders deciding pricing strategy. With better prompting, ChatGPT's predictions improved significantly, reaching performance close to traditional machine-learning models, and the system showed it could reason through cause-and-effect relationships in loan outcomes.

Lenders make billions in decisions about interest rates, and accurate "what-if" modeling directly affects how profitable those decisions are. If LLMs can match or approach specialized algorithms for these predictions, lenders could use off-the-shelf AI tools instead of building expensive custom systems—potentially speeding up loan pricing decisions and making them accessible to smaller financial institutions.

Optimal Trading of Microstructure Mean Reversion

When to buy and sell stock prices that bounce back within seconds

Stock prices bounce around a true underlying value on timescales of seconds, creating predictable patterns traders can exploit. A researcher solved exactly when to buy and sell to capture these bounces while accounting for transaction costs, and found that the optimal strategy works like a trading band: buy when the price dips below a threshold, sell when it rises above, and wait in between. All profit comes from the option value of waiting for the price to move far enough to cover costs.

High-frequency traders make money in the microsecond gaps between transactions—but only if they know when to move. This work gives the mathematical rule for the most profitable entry and exit points in that micro-market, accounting for the spreads that drain money on every trade. For active trading firms, this translates directly into sharper execution and higher returns from the same market opportunity.

Exactly solvable model for the diffusive price-dynamics paradox under long-range correlated market-order flow

Why predictable trading patterns don't break efficient markets

Financial markets show a strange contradiction: prices behave randomly over time, yet the orders that move prices follow predictable patterns. A new mathematical model resolves this paradox by showing that the square-root relationship between trade size and price movement is the missing piece—it ensures prices stay random even when order flow is predictable.

This explains why markets remain efficient and unpredictable despite the fact that large traders' moves can be forecast. Understanding this mechanism helps regulators and market participants grasp the real-world limits of prediction-based trading strategies, and clarifies which market rules (like the square-root price-impact law) are essential for keeping financial markets fair and stable.

Effort-Centric Fairness in Lending Decisions

Why rejected loan applicants face unequal hurdles to approval

Standard fairness checks in credit scoring look only at who gets approved today, missing whether rejected applicants from different groups face steeper paths to future approval. Researchers developed a new measure called "effort parity" that calculates the minimum changes each applicant would need to make—like improving credit history or increasing income—to cross the approval threshold, then compares these burdens across demographic groups. Testing on mortgage data, they found rejected female applicants required significantly greater effort to reach approval even when existing fairness criteria appeared satisfied, but a targeted adjustment reduced this gap by over 50% with minimal impact on lending accuracy.

Lenders using standard fairness metrics could unknowingly maintain systemic barriers that disadvantage certain groups, effectively telling rejected applicants from one demographic "you need a 15% income boost" while telling others "you need a 5% boost." This framework makes those hidden inequalities visible and provides lenders concrete ways to address them—showing specific changes applicants could make and revealing exactly what the bank sacrifices (in risk or profit) to create fairer pathways. As regulators increasingly scrutinize algorithmic lending, understanding effort barriers becomes essential for genuinely equitable credit access.

ZAPs: A Reward Attribution Framework for DeFi Ecosystems with Adversarial-Robust Scoring via Parallel Anomaly Ensemble Detection

Stopping bots from gaming crypto rewards while fairly rewarding real users

Most cryptocurrency reward programs can be easily exploited by fake accounts and bot networks, diverting money meant for genuine users. A new system called ZAPs uses a combination of fairness rules and fraud detection to block these attacks while ensuring that whales and protocol farmers can't dominate rewards—in live tests, it cut fraudulent reward capture by more than half while increasing participation from legitimate users by nearly half.

Cryptocurrency platforms spend billions on user incentives, but much of it currently leaks to bots and organized fraud rings instead of reaching real people. ZAPs could redirect tens of millions of dollars annually from attackers to legitimate users, making crypto programs more cost-effective for platforms and fairer for the people they're trying to attract.

Dead Reckoning: Counting Your Customers Who Never Say Goodbye

Why companies can't really know how many customers they still have

When customers stop buying without announcement, companies use statistical models to guess who's still active. But the paper shows these models are fundamentally unreliable: different reasonable assumptions produce customer counts that vary by a factor of 7.6 on the same dataset, even when predictions about near-term purchases match closely. The problem isn't bad math—it's that the models extrapolate infinitely far into the future, where verification is impossible.

Companies use these customer counts for valuation, marketing budgets, and strategic decisions worth millions of dollars. When the same data can justify counts ranging from 3,654 to 27,734 active customers, leadership is making bets on a number with almost no reliable foundation. The paper shows the honest fix: report concrete, verifiable predictions over a fixed time horizon (like "18-month repeat purchase rate") instead of an extrapolated infinity, and if a total count must be given, present it as a wide range rather than false precision.

Are cryptocurrencies real financial bubbles? Evidence from quantitative analyses

When cryptocurrency prices detach from reality and crash

Bitcoin and Ether show unmistakable mathematical signatures of financial bubbles—periods where prices spiral far beyond what fundamentals justify—weeks before they actually crash. Using models originally designed to detect stock market bubbles, researchers identified bubble conditions in Bitcoin during December 2017 and January 2018, and in Ether in June and January 2018, each time followed by major price collapses.

Cryptocurrencies remain largely driven by investor mood rather than underlying value, making them vulnerable to sudden crashes that can wipe out retail investors. These mathematical detection methods could help traders and fund managers spot dangerous bubble conditions before prices implode, offering a way to quantify the real risk in a market that often feels like pure speculation.

Predictive Extrema, Unprofitable Policies: An AI-Assisted Audit of Candle-Based Binance Spot Timing Models

Why AI models that predict crypto price swings still lose money in practice

An audit of machine-learning models designed to predict extreme price movements and time trades on Binance found that none of them beat simply holding cryptocurrency—most lost 1–44% over their test periods even though the models accurately identified price patterns. The best-performing model predicted local price extrema with high precision but generated trading strategies that underperformed buy-and-hold by 2.80 percentage points after accounting for trading costs.

This work exposes a common gap in cryptocurrency and algorithmic trading: accurate price prediction doesn't automatically translate into profitable trading decisions. The findings suggest that even when AI systems correctly identify when prices will peak or bottom, the costs and timing of acting on those predictions make the trades net negative—a crucial reality check for traders and firms considering expensive machine-learning systems to automate their market timing.

Retail Trader's Ruin: An Anatomy of Popular Signal Failure

Why popular trading tricks don't actually make money after costs

A systematic test of five widely promoted retail trading strategies—trend following, oscillators, candlestick patterns, volume rules, and calendar effects—found that four of them fail to deliver real profits after accounting for trading costs and statistical noise. The two remaining candidates, trend following and momentum, remain inconclusive because the data simply isn't large enough to settle the question either way.

Retail traders lose roughly $5 billion annually chasing strategies they find online or in trading books. This research provides concrete evidence that most popular signals don't work, which could spare individuals from sinking money into methods with no genuine edge. The rigorous testing framework also sets a higher standard for what claims about profitable trading strategies should actually prove before being promoted to the public.

Proof-of-Stake Dynamics: The Elusive Price Anchor and Endogenous Volatility Harvesting

Why cryptocurrency networks take decades to balance after price shocks

Proof-of-Stake networks like Ethereum are so economically sluggish that token prices can stay wildly misaligned with their true value for years or decades after the network's fundamentals change. The paper models how different types of investors—passive funds versus active traders—push token prices in opposite directions, with passive staking compressing yields and concentrating ownership in fewer hands, while active traders paradoxically help distribute control more evenly.

If token prices stay detached from reality for 46 years on average, casual investors who buy during hype cycles face multi-decade losses before any correction. More critically, passive institutional staking threatens the decentralization that makes these networks trustworthy—concentrating voting power away from the actual users who rely on the network. Understanding which types of investment help or harm that balance is essential as billions flow into crypto staking.

Multidimensional stochastic liquidity in Kyle's model of informed trading

How insider traders move prices when liquidity randomly fluctuates

When someone trades on private information, how fast should they reveal it to avoid detection? Researchers extended a classic model of insider trading to handle realistic conditions: multiple assets trading simultaneously and liquidity that changes unpredictably. They found that under certain mathematical conditions, informed traders follow a predictable strategy that creates prices moving proportionally to their trades—and the speed of information leakage adjusts automatically as market conditions shift.

Financial regulators need to understand how insiders can exploit markets, and market-makers need realistic models to set spreads and manage risk. This work removes artificial simplifications from the standard textbook model, making it applicable to actual multi-asset markets where liquidity isn't constant. Better models of insider trading behavior help exchanges design surveillance systems and help firms price the true cost of trading when information is unevenly distributed.

Detecting unusual trading patterns on cryptocurrency exchanges by means of complexity measures

Finding fake trades on crypto exchanges by measuring market chaos

Researchers developed a method to spot unusual trading patterns on cryptocurrency exchanges by analyzing the statistical complexity of trades rather than just price movements. Applied to Bitcoin, Ethereum, and Ripple across four major exchanges in spring 2025, the approach uncovered a striking anomaly on Bitget: after mid-May, transaction counts spiked dramatically while actual trading volume and price movement stayed flat—a signature suggesting artificially inflated trade numbers rather than genuine market activity.

Cryptocurrency exchanges have no consistent oversight, making them vulnerable to manipulation schemes like wash trading, where fake transactions create a false impression of liquidity and market health. This detection method could help regulators and traders identify when an exchange's reported activity doesn't match real money flowing through it, reducing the risk of losses from trading on artificially inflated markets. The technique works where price-based monitoring fails, making it a practical tool for auditing exchange integrity.

Stablecoins under Stress in a National Economy: Transaction-Level Evidence from Austrian Crypto-Asset Service Providers

How stablecoins and crypto firms behaved when markets crashed

When major crypto and traditional finance crises hit, different types of crypto firms responded in opposite ways—retail customers pulled money out while institutional players withdrew funds—and stablecoins didn't protect everyone equally. By tracking actual transaction records from registered Austrian crypto firms, researchers found that during the Silicon Valley Bank collapse, stablecoins revealed hidden two-tier systems where some users couldn't access their money as promised.

As crypto markets grow more connected to banks and mainstream finance, regulators need to spot warning signs early. This direct measurement method—using actual company records instead of guesses—lets governments in any country monitor whether crypto assets could amplify a financial crisis, and whether stablecoins marketed as safe actually hold up when panic hits.

When Does Order Flow Matter? State-Dependent L2 Liquidity-State Transitions in Crypto Futures

How to predict when cryptocurrency markets will shift between calm and chaotic

When Bitcoin and Ethereum futures markets are about to change character—from stable to stressed, or vice versa—the current state of the order book is far more predictive than what's actually being bought and sold. A model based only on order-book snapshots beat interpretable trading models, and adding trade flow helped only modestly for Bitcoin and inconsistently for Ethereum, suggesting market microstructure models should start with liquidity state, not order flow.

Traders and risk managers need to know when market conditions are about to shift—it determines which strategies work and how much safety margin to keep. This research shows they should monitor the shape and depth of the order book itself rather than chasing fleeting trade signals. The state-first approach also gives machine-learning and AI-based trading systems a clearer foundation to build on, preventing them from overfit to noise.

Can Reinforcement Learning Efficiently Discover Price Manipulation?

Can AI discover and exploit price manipulation before regulators catch on?

Researchers compared two approaches to finding price manipulation opportunities in financial markets: a traditional method that assumes it knows how prices work, and an artificial intelligence agent that learns patterns from raw data. For moderately volatile markets, the AI agent discovered profitable manipulation strategies using limited training data and actually outperformed the traditional method, even though the traditional method started with correct assumptions about how markets function.

Financial regulators need to understand whether AI systems could discover market manipulation faster than humans can detect and prevent it. This work shows that AI agents can indeed find exploitation strategies that evade detection, suggesting exchanges and regulators must develop better surveillance tools before deploying their own AI systems in trading. The findings also reveal a blind spot in traditional market models: when real-world data is noisy, AI's flexibility can beat expert knowledge—a warning that deploying unsupervised learning in finance without safeguards could create new vulnerabilities.

Grounded Event Extraction from SEC 8-K Filings with a Fine-Grained Taxonomy

Breaking down vague SEC filings into specific, verifiable business events

Researchers built a system that reads SEC 8-K filings — the documents companies must file when something important happens — and sorts them into 119 specific event types instead of the SEC's broad categories. The system anchors each classification to exact quotes from the filing and assigns quality scores; tags with the highest scores reach 96% accuracy, while unsupported ones drop to near zero. Applied to nearly 300,000 filings, the system shows that events lumped together by the SEC actually move stock prices differently.

Investors and regulators currently rely on coarse SEC categories that mix routine announcements with major news, making it hard to spot what actually matters. This fine-grained breakdown lets market participants and researchers identify economically significant events consistently and verify that the classification is correct by checking the source text. The dataset of 601,000 grounded event tags provides a foundation for better market analysis and compliance monitoring.

Pump.fun Graduation Regime Windows: Survival Analysis of 832,941 Token Launches and the Social-Presence Effect

Why most meme coins fail, and which ones actually survive to the next stage

Only about 1 in 500 tokens launched on Solana's pump.fun platform graduate to a larger exchange—a rate that has plummeted threefold since late 2025. Tokens with Telegram communities succeed 9 times more often than those without social media, and those with all three major social channels succeed 17 times more often, while creator self-investment roughly quadruples the survival rate.

Meme coin platforms have become a $2+ billion gambling arena where retail traders lose money at scale. Understanding which tokens survive exposes how social coordination and creator skin-in-the-game drive outcomes—and how the vast majority of launches are designed to fail. The findings show that token survival depends far less on luck than on measurable signals of legitimacy and community management, giving researchers and traders a framework to spot which projects might actually reach an exchange versus which are destined to collapse.

Liquidity Premium and Investment Horizons

Why stocks with thin trading volumes pay higher returns later

When fewer investors are buying or selling a stock, prices move more dramatically with each trade—a cost called the liquidity premium that investors demand as compensation. Researchers found they could predict which stocks would outperform by measuring daily order flow and how much prices swing around it, using 2020–2025 stock data. The finding suggests the premium isn't just about risk, but about how trading scarcity temporarily depresses prices and then corrects itself.

Portfolio managers and algorithmic traders can use order-flow measurements to identify underpriced stocks before the liquidity bounce occurs, potentially improving returns. Understanding that liquidity costs drive part of the return premium—rather than fundamental risk—helps investors distinguish between genuinely risky stocks and merely illiquid ones, leading to better capital allocation decisions.

Is Trend Still Your Friend?: A Microstructural Account of the Demise of Short-Term Trend-Following

Why a famous investing strategy suddenly stopped working in 2009

Trend following—a strategy that has reliably made money for 200 years by betting on price movements—abruptly broke down around 2009 and has stayed broken for short-term trades. The culprit is not what people thought: it's not that too many traders crowded the strategy, or that markets became electronic. Instead, the real cause is a mechanical quirk about how trades execute on different types of contracts: the strategy still works on assets with wide trading spreads but has collapsed on assets with narrow spreads, and that collapse is tied to how high-frequency traders manage their market-making since the 2008 financial crisis.

Investors managing hundreds of billions in trend-following funds have had to abandon short-term strategies and shift capital elsewhere, reshaping global markets. Understanding why the break happened—and that it stems from a specific change in how market makers operate rather than fundamental market exhaustion—could help traders and regulators spot similar vulnerabilities in other widely-used strategies and prepare for future mechanical breakdowns in markets.

Same Firms, Different Verdicts: ESG Rating Choice and the Measurement of Greenwashing

Why the same company looks greener or dirtier depending on who grades it

European firms with prominent stock market listings talk much bigger about their environmental efforts than their actual emissions reductions show — a gap nearly three times wider than smaller companies. But the greenwashing disappears entirely when researchers use a different environmental rating system to measure the same companies, revealing that much of what looks like corporate deception is actually an artifact of which rating agency is doing the measuring.

Investors, regulators, and asset managers rely on environmental ratings to direct trillions of dollars toward genuinely sustainable companies. If the same firm appears virtuous under one rating system and deceptive under another, it means current tools for detecting greenwashing are unreliable — making it harder to distinguish real environmental progress from marketing. This suggests regulators need standardized measurement approaches before environmental ratings can effectively steer capital toward actual sustainability.

Fund2Persona: A Framework for Building and Refining Financial Advisor Personas from Fund Disclosure Data

Teaching AI financial advisors to think like real fund managers, not generic chatbots

Researchers built Fund2Persona, a system that creates AI financial-advisor personas by studying actual fund holdings, manager decisions, and market commentary rather than relying on generic prompts. The resulting personas gave more specific and useful investment advice, better predicted what portfolio moves a manager would make, and generated more varied investment perspectives than standard AI advisors.

Financial advisory is expensive and scarce—most people can't afford personalized guidance. This framework could make expert portfolio-management logic scalable and available through AI systems that actually understand *how* a specific manager thinks, not just what generic best practices are. The difference matters: an AI trained on a growth-stock specialist's real decisions will steer a portfolio differently than one trained on boilerplate advice, and clients get recommendations tailored to actual investment philosophies rather than one-size-fits-all rules.

A Structural Matrix Autoregressive Model for the Joint Dynamics of Volume, Volatility, and Returns

How price swings drive trading volume across stocks in real time

Researchers built a statistical model that tracks how stock returns, price swings, and trading volume move together across all 30 Dow Jones companies. They found that volatility—how much prices bounce around—is the main force pushing people to trade, and that shocks ripple between stocks to drive more than half of long-term volume swings.

Understanding what actually drives trading volume helps market regulators spot abnormal activity and traders design better strategies for executing large orders without moving prices. The finding that volatility leads volume rather than the reverse overturns an old assumption and suggests that markets are primarily incorporating news through price discovery rather than through volume surges.

Time-dependent weighted directed networks of cryptocurrency interaction from high-frequency returns

Which cryptocurrencies drive the market—and how that power shifts over time

A analysis of five years of cryptocurrency price data reveals a shifting pecking order of influence: Ethereum has become the market's most powerful trendsetter, while Bitcoin's sway has weakened. The researchers mapped these relationships by tracking which cryptocurrencies' price movements predict others', uncovering a tiny handful of coins that shape the entire market.

Traders and fund managers who want to anticipate crypto market moves need to watch the right assets. Bitcoin is no longer the dominant signal it once was—ignoring Ethereum's emerging role would mean missing early warnings of broader market shifts. This snapshot of a fast-changing hierarchy also flags a real risk: when power concentrates in a small number of assets, the entire market becomes more fragile.

KineticSim: A Lightweight, High-Performance Execution Engine for Real-Time Market Simulators

Running massive financial market simulations thousands of times faster

Researchers built a specialized engine that simulates financial markets with millions of agents simultaneously on graphics processors, reaching speeds 3,400 times faster than traditional computer simulators. The breakthrough comes from a new technique that keeps simulation data in the processor's fast memory and processes agent actions in parallel rather than one at a time, eliminating the slowdowns that plague existing approaches.

Financial regulators need to test how markets behave under stress, and traders want to train AI agents on realistic market scenarios—but these simulations currently take hours or days. KineticSim cuts that time to seconds, making it practical to run thousands of stress tests or train models that would otherwise be too expensive to explore. This could accelerate both market oversight and the development of better trading algorithms.

Which Portfolios? The Construction Dependence of Factor Model Performance

How the way you test stock models changes which one wins

A finance researcher tested five different models for predicting stock returns using randomly constructed portfolios, and found that which model performs best depends heavily on how the test is set up—including how stocks are weighted and how often trades happen. The model ranked best in one test design (buy-and-hold) ranked third in another (daily rebalancing), suggesting researchers' conclusions about which model to use could flip based on choices made during testing.

Investment firms and researchers use these factor models to decide which stocks to buy and how to build portfolios worth billions of dollars. If a model's apparent superiority disappears when you change the testing method, it means investors could be making costly decisions based on results that don't generalize to real trading. This work shows that researchers need to test models across multiple construction methods before claiming one is truly better than another.

AI Economist Agent: An Agentic Framework for Model-Grounded Economic Analysis with RAG, Knowledge Graphs, and Large Language Models

Teaching AI to explain economics using real data and tested theories

Researchers built an AI economist that generates economic reports and analyses by anchoring its claims to actual data and economic theory, rather than just producing plausible-sounding narratives. When tested on inflation forecasts and bank stress scenarios, the system produced more coherent and traceable explanations than language models working alone.

Economic analysis shapes real decisions—from Federal Reserve policy to bank lending rules—so explanations need to be trustworthy and defensible, not just fluent. This framework makes AI-generated economic reasoning transparent and checkable against actual models and evidence, reducing the risk of confident-sounding but unfounded claims influencing financial decisions.

Correlation emergence and the Epps effect in two coupled limit order books

Why stock correlations look stronger when you zoom out

When two stock markets trade together through connected orders, their price movements appear more correlated when measured over longer time periods—a phenomenon called the Epps effect. This study shows the effect emerges from three causes: traders using different clocks to react, delays in how coupling between markets responds, and the combination of both. The researchers derived mathematical formulas that predict correlation strength based on how you measure it.

Investors and regulators use price correlations to assess portfolio risk and market stability. If correlations shift depending on whether you look at second-by-second trades or daily data, it changes how much risk you think you're taking. Understanding what creates these shifts makes it possible to build more accurate risk models and detect when trading patterns signal real market stress versus technical measurement artifacts.

Revisiting Trade-sign Long-memory and Square-root Law price impact

Why large trades leave predictable price fingerprints in financial markets

When traders execute large orders, markets exhibit two well-known patterns: past trade directions predict future ones (long-memory), and price impact grows with the square root of order size rather than linearly. This paper derives both patterns from a single mathematical framework based on how buy and sell orders pile up in the market, showing that the long-memory effect is really about timing of trades, while the square-root law reflects the market's actual survival and stability.

Large institutional investors rely on these patterns to predict how much a trade will move the market and to design execution strategies that minimize costs. Clarifying exactly why these patterns emerge—and distinguishing between patterns that depend on how often trades happen versus how many shares move—helps traders and risk managers build more accurate models of real market behavior and avoid costly surprises when market conditions shift.

CFOs Meet LLMs

Can AI predict what business leaders actually think about the economy?

Researchers prompted an AI language model to role-play as CFOs of real companies and answer questions about economic optimism. The AI's answers matched what those CFOs actually said in surveys with striking accuracy, even after accounting for the companies' past responses and characteristics. This suggests LLMs could replace expensive, slow-to-conduct surveys with instant, continuous snapshots of business sentiment across thousands of firms.

Business leaders' economic outlook drives hiring, investment, and lending decisions that ripple through the entire economy. Currently, policymakers and investors rely on surveys of just a few hundred CFOs that arrive months late. If AI can reliably predict what executives are thinking in real time, economists and the Federal Reserve could spot economic shifts weeks or months earlier and adjust policy accordingly—potentially catching slowdowns before they happen or avoiding overheating.

Option prices from operational-time reaction-boundary lattices

How market activity time, not clock time, shapes option prices

This paper shows that option prices depend on operational time — the actual pace of market events — rather than calendar time alone. The authors built a mathematical model showing how buy-sell activity at the bid-ask spread directly determines volatility and pricing, and how this framework explains why some market risks fall outside standard pricing models.

Financial traders and risk managers currently price options using models that assume steady time flow, but real markets operate in bursts — some moments see hundreds of trades, others see none. This work provides a concrete way to account for that variable rhythm, potentially improving how banks price derivatives and manage hedging when market activity is thin or uneven. It also clarifies which types of market risk standard models fail to capture, which matters for both regulators assessing systemic risk and traders avoiding blind spots.

Artificial Intelligence in Ship Finance: Applications, Opportunities, and a Case Study in AI-Augmented Loan Origination

How AI can handle the paperwork explosion in ship lending

Ship financing requires piecing together financial data, technical specs, contracts, and regulations from messy, scattered documents — a task growing harder as environmental rules tighten. Researchers built ShipFinance.ai, an AI system using large language models to automatically extract information, analyze loan applications, and generate documents, showing that AI can shoulder much of this administrative burden and let finance professionals focus on judgment calls rather than paperwork.

Banks and shipping companies currently spend weeks or months on loan applications because gathering and verifying information across dozens of documents is slow and error-prone. An AI system that reliably extracts and organizes this information could shrink approval timelines from months to days, cut labor costs significantly, and reduce mistakes that trigger costly delays. This matters especially as new environmental rules make every application even more document-heavy.

Trading Frictions in Dynamic Cap-and-Trade Markets

Why carbon markets get expensive and inefficient when trading costs money and information spreads slowly

When companies buy and sell pollution permits in cap-and-trade systems, high transaction costs and unequal access to market information create artificial price spikes that make these markets work worse at reducing emissions. Using seven million trades from Europe's carbon market over 17 years, researchers found that 40% of regulated companies don't trade at all in a given year, prices spike predictably in April when returns are highest, and the interaction of multiple trading obstacles amplifies price distortions far more than any single friction alone.

Carbon markets are supposed to efficiently price pollution and drive companies toward cleaner methods, but if frictions push prices up artificially, some firms simply stay out of the market instead of finding cheaper ways to reduce emissions. The finding that access decisions themselves reshape how these price spikes form means policymakers could lower transaction costs or improve information access to unlock real emissions reductions that the market currently leaves on the table.

Forecasting of volatility and risk premia in electricity markets

Predicting price swings in electricity markets a week ahead

A new forecasting method can predict how electricity prices will move together across different time periods and locations, outperforming standard approaches. The method works better when it includes information about renewable energy generation and looks at patterns across multiple time scales, not just recent history.

Power companies and traders use these forecasts to manage financial risk and set prices for electricity contracts weeks in advance. Better predictions mean more accurate pricing, lower hedging costs, and less money wasted on unnecessary precautions — especially important as renewables make electricity markets more volatile and harder to predict.

Auditing Asset-Specific Preferences in Financial Large Language Models: Evidence from Bitcoin Representations and Portfolio Allocation

Do AI financial advisors secretly favor certain assets like Bitcoin?

Researchers found that large language models powering robo-advisors and trading bots do carry built-in preferences for specific assets, including Bitcoin. They identified a single internal feature in one AI model that, when amplified, increased Bitcoin's allocation in a simulated portfolio by 5.2 percentage points—even when the word "Bitcoin" wasn't mentioned. This preference shifted depending on context: the models ranked Bitcoin much higher as "reliable money" during crises than during normal times.

As AI systems begin making real financial decisions for investors, hidden asset preferences could steer people toward or away from particular investments without their knowledge. This work provides the first method to detect and measure these internal biases, laying groundwork for new transparency standards that would require financial AI systems to disclose what they actually prefer—similar to how banks must know their customers, AI advisors should be audited to know their own assets.

Three-Currency HJM for Brazilian Credit Markets

Why the same company's bonds trade at wildly different prices in Brazil's split markets

When the same Brazilian company issues bonds in two different market segments—one tied to short-term interest rates, the other to inflation—the bonds should trade at consistent prices relative to each other. They don't. The gap between what these bonds are worth averages 640 basis points (6.4%), with only modest variation across 15 large issuers over a five-year period, suggesting the two markets are pricing different economic assumptions rather than pricing the same company.

Investors comparing bond deals across Brazil's segmented markets are working with prices that reflect structural market splits, not just company risk. Asset managers and corporate treasurers need to account for these persistent pricing gaps when allocating capital or hedging—they cannot assume a single "fair value" across both segments. Understanding what drives the 640-basis-point wedge also reveals which market segments attract different investor types and where liquidity constraints bite hardest.

From Knowing to Doing: A Memory-Controlled Benchmark for LLM Trading Agents on Stock Markets

Testing whether AI traders are actually skilled or just remembering stock prices

When researchers tested advanced AI language models on simulated stock trading, the models appeared to make money—but the gains came almost entirely from broad market movements, not genuine investment skill. A new benchmark called KTD-Fin revealed this by hiding stock names and dates to prevent the AI from relying on memorized information, and by breaking down returns to show which part came from real decision-making versus passive market exposure.

Companies and investors are pouring money into AI trading systems based on impressive backtest results. If those results are driven by the AI simply remembering what happened rather than learning to pick winning stocks, the systems will fail in live markets. This benchmark makes it possible to spot the difference—separating genuine trading skill from inflated performance numbers created by data leakage.

StakeBench: Evaluating Language Understanding Grounded in Market Commitment

Testing AI's ability to understand what money actually says about beliefs

Researchers created StakeBench, a new test for AI language understanding based on real financial commitments rather than human opinions. They linked nearly 561,000 comments from prediction markets to actual trades and betting positions, then measured whether 15 large language models could identify what people had put money behind. Most models performed poorly—detecting the correct position only about half the time, and completely failing at predicting future trades or collective market movements, even when they were very large.

Financial institutions and traders increasingly rely on AI to interpret market commentary and news. This benchmark reveals that today's best models can't reliably extract the actual beliefs people are willing to bet on, which means systems used to inform real investment decisions are systematically misunderstanding what market participants truly think. The findings also suggest that simply making models bigger or training them on finance data doesn't solve the problem.

Beyond Sentiment Classification: A Generative Framework for Emotion Intensity Evaluation in Text

Measuring how intensely emotional text is, not just what emotion it shows

Researchers created a new way to analyze emotions in text by measuring their strength on a scale from 0 to 100, rather than sorting text into fixed categories like "positive" or "negative." This approach outperformed traditional emotion classification and unexpectedly transferred well to related concepts like sentiment and arousal.

Financial markets move on emotion as much as data. A trader's brief worry about inflation differs radically from panic selling — but traditional sentiment tools treat both the same way. By measuring emotional intensity rather than just labeling sentiment, analysts can better gauge market psychology and make sharper predictions about how people will actually respond to news.

External Demand, Domestic Monetary Conditions, and Remittance Dynamics in Nepal

Why Nepal's lifeline from abroad depends on global jobs and interest rates

When jobs grow in countries where Nepalis work, more money flows home as remittances — but when Nepal's central bank tightens monetary conditions, remittances shrink. The analysis of 30 years of data shows remittances could reach 28% of Nepal's GDP by 2030, making the country's economic stability heavily dependent on foreign employment markets and sensitive to sudden external shocks.

Nepal receives nearly a third of its national income from remittances sent by citizens working abroad, making the country vulnerable to forces outside its control. Understanding what drives these flows helps policymakers design safer strategies — like diversifying where migrants work and deciding whether to tighten or loosen money supply during global downturns — rather than leaving the economy exposed to economic shocks in destination countries.

The Value of Information: A Puzzle

Why stock traders earn far less from secrets than they pay to find them

Researchers measured how much money informed traders actually make from their information advantage in US stock markets and found it's about $3.5 million per stock annually—surprisingly small. The real puzzle: investors collectively spend roughly 17 times more in fees chasing superior returns than the actual gains those advantages deliver.

This finding suggests that most of the money flowing into active fund management, algorithmic trading, and research-driven strategies may be wasted effort. If the genuine payoff from having better information is genuinely this thin, it raises hard questions about whether the enormous resources devoted to beating the market could be better spent elsewhere—and whether individual investors chasing high-fee funds are effectively paying for a mirage.

The fine structure of electricity price volatility

Why electricity prices bounce around differently in Germany, Norway, and Spain

Electricity prices swing wildly in unpredictable ways, but the reasons differ sharply by region. By analyzing three years of day-ahead prices across European power markets, researchers found that Germany, Norway, and Spain each face distinct volatility drivers—renewable energy swings matter more in some zones than others, and the common assumption that prices overreact to bad news turns out to be false once you account for underlying conditions.

Power traders and grid operators use price volatility to forecast costs and manage risk. When forecasts miss the real drivers of price swings in each region, utilities overpay for insurance, consumers face unexpected rate hikes, and renewable energy investments become harder to finance. Understanding that each European zone needs its own volatility model could lower hedging costs for utilities and make electricity markets more predictable.

A Validated Volatility-Volume-Gap Classifier for Regime Identification in MNQ Intraday Data

Why a promising market pattern fails when real trading costs are applied

A researcher built a system to identify unusual trading days in Nasdaq futures by looking at three pre-market signals: early trading moves, overnight price gaps, and abnormal opening volume. The system successfully identified days with distinct patterns—mornings that trended one way, then reversed in the afternoon—but when tested as actual trading strategies with realistic costs and fees, every approach lost money or became inconsistent year to year.

This work demonstrates a common trap in financial research: statistical patterns that look real on paper often vanish once you account for transaction costs and the practical constraints of real trading. For traders and investors evaluating new trading ideas, it shows why passing academic tests is necessary but not sufficient—a strategy must also survive the friction of actual markets to be worth implementing.

Empirical Evaluation of Deadline-Resolved Information Leakage on Documented Polymarket Insider Cases

Detecting insider trading in prediction markets through timing patterns

A new method called the deadline-Information Leakage Score can detect when traders profit from leaked information on Polymarket, a real-money prediction platform. Testing it on a $269 million contract about U.S.-Iran military action showed the method could distinguish genuine insider signals from misleading trading patterns, producing a score swing of 0.444 depending on whether the analysis was anchored to leaked information or market resolution.

Polymarket handles billions in prediction contracts with documented insider trading cases. A working detection method could help regulators identify and prevent profitable information leaks before they compromise market integrity. The approach also offers a template for monitoring other real-money platforms where hidden information creates unfair trading advantages.

Per-Market Information Leakage and Order-Flow Skill: Two Methodological Lenses on Informed Trading in Decentralized Prediction Markets

Three different ways to spot who's trading on secret information in prediction markets

Researchers compared three methods for identifying informed traders on decentralized prediction markets and found they actually measure different things — not competing versions of the same measurement. One method flags accounts with consistent winning streaks, another identifies accounts behaving suspiciously over time, and a third measures how much information leaked into individual markets before public announcement. Using all three together catches more genuine insider traders than any single method alone.

Prediction markets are increasingly used for real-world forecasting on politics, business, and science, but they only work if prices reflect genuine information rather than insider knowledge or manipulation. The framework here—demonstrated against a real DOJ indictment of a military officer who traded on nonpublic Venezuela intelligence—gives regulators and platform operators a practical toolkit to detect and stop informed traders before they undermine market integrity.

Deepening the Secondary Market: Integrating Trade Credit into Market Clearing with the Cycles Protocol

Unlocking trillions in hidden business debt to speed up payments

Most payment systems ignore trade credit—the informal IOUs between businesses that represent enormous untapped liquidity. A new protocol called Cycles can find and clear these debts directly without requiring a middleman to take on the risk, potentially integrating trillions of dollars in business-to-business lending into formal settlement systems.

Businesses currently wait weeks to settle payments because trade credit sits outside official clearing systems. By tapping this hidden liquidity, companies could access cash faster and cut the working capital they need to tie up. This could be especially powerful for small suppliers and developing economies where informal credit chains are most common and access to capital is most constrained.

Foresight Arena: An On-Chain Benchmark for Evaluating AI Forecasting Agents

A blockchain-based test for AI that can actually predict the future

Researchers built an on-chain benchmark that measures whether AI forecasting agents can genuinely predict real-world events better than existing markets, rather than just copying market prices or getting lucky with timing. The system uses blockchain smart contracts to prevent cheating and applies statistical scoring rules that reward honest probability estimates, and testing shows that detecting a real forecasting edge requires roughly 350 predictions—far more than most existing evaluations.

Most AI forecasting systems today are evaluated on static datasets or by their trading profits, both of which hide whether an AI actually has predictive skill or just got lucky with market timing and position sizing. This benchmark lets anyone trustlessly evaluate AI forecasting agents on real prediction markets with proper statistical incentives, cutting through the noise to identify which systems genuinely see the future more clearly than crowds do. For AI companies and traders, it's a way to separate signal from noise; for the broader AI safety community, it's a model for building evaluations resistant to overfitting and centralized gaming.

Modeling dependency between operational risk losses and macroeconomic variables using Hidden Markov Models

Predicting when banks will suffer losses by tracking economic health

Banks lose money unpredictably—and those losses often spike when the economy weakens. Researchers built a statistical model that tracks hidden economic states and uses them to forecast operational losses, showing that macroeconomic conditions like unemployment and interest rates do meaningfully predict when these costly failures will occur.

Banks must set aside capital reserves for potential losses, and stress-testing requirements force them to model worst-case scenarios. A better prediction method could help regulators and banks estimate required reserves more accurately, avoiding either dangerously low buffers or wasteful overprovision. This affects lending capacity and ultimately how much credit flows to the real economy.

The Financialization of Proof-of-Stake: Asymptotic Centralization under Exogenous Risk Premiums

Why cryptocurrency staking inevitably concentrates power among the wealthy

When external financial markets offer better returns than cryptocurrency staking rewards, wealthy investors flood into staking anyway, driving yields toward zero and forcing ordinary users out of the system entirely. A mathematical model shows this centralization is not a temporary problem but an inevitable long-term outcome of how Proof-of-Stake networks interact with traditional finance.

Proof-of-Stake cryptocurrencies like Ethereum were designed to be more democratic than older mining-based systems, but this research suggests the opposite happens at scale: wealth and control concentrate in fewer hands. If true, it undermines a core promise of these networks—that ordinary people can participate meaningfully in securing and governing them.

An Explicit Solution to Black-Scholes Implied Volatility

A direct formula solves a half-century puzzle in options trading

Researchers have derived the first explicit mathematical formula for implied volatility in the Black-Scholes model, a central calculation in options markets that previously required iterative trial-and-error methods. The solution recognizes that option prices follow a hidden probability pattern, which can be inverted to read off volatility directly from market prices. The new formula runs 3.4 times faster than current best methods while matching machine precision.

Options traders and risk managers calculate implied volatility thousands of times per day—it's how they price contracts and manage portfolios. Replacing slow iterative methods with a direct calculation could speed up trading systems, reduce computational costs, and lower latency in high-frequency markets where milliseconds matter. The breakthrough also settles a mathematical question that has persisted since the Black-Scholes model became standard in 1973.

The Anatomy of a Decentralized Prediction Market: Microstructure Evidence from the Polymarket Order Book

How prediction market orders flow when nobody's really watching closely

A detailed examination of Polymarket, the largest blockchain-based prediction market, reveals that its order book looks nothing like traditional financial markets—with unusual spreads, a different pattern of available liquidity, and surprisingly little self-dealing. The most striking finding: inferring who bought and who sold from public data works only 59% of the time, barely better than a coin flip, forcing researchers to use hidden on-chain records instead.

Prediction markets are growing as a tool for forecasting everything from elections to climate outcomes, but we know almost nothing about how they actually work. This research documents Polymarket's plumbing in detail—revealing where the standard playbook from stock markets fails and where it holds. For anyone building a competing platform, trading on these markets, or relying on their price signals for real decisions, knowing what data you can actually trust matters enormously.

Non-unique time and market incompleteness

Why financial markets don't tick to a single global clock

Financial markets don't operate on synchronized time the way traditional models assume. Instead, trading happens in random bursts tied to actual events—a buy order here, a sell order there—creating multiple valid ways to describe market time. This reveals a deeper kind of market incompleteness than economists usually discuss: the gap between the real time traders operate in and the theoretical time pricing models use.

Traders and risk managers currently juggle two different clocks—one for actual trades and one for theoretical pricing—and this mismatch can hide real risks, especially during fast trading or market stress. Recognizing that market time is fundamentally non-unique doesn't break existing tools, but it explains why they sometimes fail at high frequencies and suggests when simpler, lower-frequency models might be more reliable for managing money and hedging positions.