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Quant LetterNo. 96

May 2025, Week 1

163 items across 8 sections, as sent to readers on 7 May 2025. Paper titles open their ML-Quant page; ↗ goes to the source.

arXiv

Quantitative-finance and ML-for-finance preprints from arXiv.

24 items

Finance9

01

Asset Pricing in Transformer

The paper introduces SERT, a new Transformer model for US large capital stock pricing, which performs better during extreme market fluctuations like the COVID-19 pandemic.

25 sharesSource ↗

02

Asset Pricing in Pre-trained Transformer

The study showcases the SERT Transformer model's superior performance in managing downside risks during market shocks and identifying patterns in sparse temporal data in asset pricing models.

25 sharesSource ↗

04

Multiscale Causal Analysis of Market Efficiency

The study uses the Financial Chaos Index to assess stock market efficiency, finding that daily asset price changes respond predictably to lagged news-based uncertainty, but not monthly, emphasizing the importance of time-scale decomposition.

17 shares1 citation todaySource ↗

05

MLP Models in Asset Pricing

The research uses MLP models for asset pricing, finding them more effective in controlling risk, particularly during the COVID-19 period.

16 sharesSource ↗

07

Modelling Lifetime Default Risk

The study examines Cox-models in loan default estimates, suggesting that ignoring recurrent defaults may not significantly impact estimates depending on their frequency.

11 sharesSource ↗

08

Volatility of Single Stocks

The Nested factor model is used to represent stock correlations, showing that it can account for the large Hurst exponents of stock indexes.

11 sharesSource ↗

09

Systemic Risk in European Insurance Sector

The study investigates the relationship between the European insurance sector and financial markets, finding that the insurance market contributes to systemic risk, especially during financial crises.

10 shares2 citations todaySource ↗

Economics7

01

DebtStreamness: Ecological Credit Flows

Ecological Credit Flows: The research introduces DebtStreamness, a new metric to analyze firms' positions in credit chains, showing that these chains are typically short and some firms serve as lenders to others in the chain.

23 sharesSource ↗

02

Research and Policy in Medicare Centers

The research uses national coverage determination process data to link scientific articles and their funding sources to federal policies, emphasizing the need for transparency among all parties involved in funding and using evidence for federal policy.

14 sharesSource ↗

03

Earth Observation Data for Cost Evaluation

The research evaluates the economic impact of the 2025 Los Angeles wildfire, estimating a total direct loss of around 4.86 billion USD, and highlights the need for equitable wildfire management strategies.

13 shares6 citations todaySource ↗

04

25 LA Wildfire Impacts Evaluation

A study estimates the 2025 Los Angeles wildfires caused around 4.86 billion USD in direct economic losses, emphasizing the need for specific wildfire management strategies.

13 shares6 citations todaySource ↗

06

Customer Emotions in Gender and Culture

A study finds significant gender and cultural differences in emotional experiences on e-commerce platforms, with gender-based emotional differences more noticeable in Western cultures.

12 shares8 citations todaySource ↗

07

Macroeconomic Surprises and Trader Responses

A study creates a model to analyze trader reactions to shocks like scheduled macroeconomic news, finding that well-informed, less risk-averse traders take larger positions and achieve greater wealth.

12 sharesSource ↗

Miscellaneous3

02

DL Models for Energy Forecasting

The research compares seven Deep Learning models for use in the renewable energy sector, with Long-Short Term Memory and Multilayer Perceptron models proving most accurate.

13 shares6 citations todaySource ↗

Historical Trending5

01

AI Recruitment Bias

Research shows that generative AI used in hiring processes tends to favor male candidates, particularly for high-paying roles, suggesting a gender bias.

50 shares9 citations todaySource ↗

02

Trading Strategy Enhancement

The ClusterLOB method groups individual market events from market-by-order data, offering insights into trading strategies and responses to market changes, and assisting in creating effective predictive trading signals.

40 shares3 citations todaySource ↗

03

Heston Model Approximations

A Ph.D. thesis investigates approximations and regularity for the Heston stochastic volatility model, including high-order weak approximations for the Cox-Ingersoll-Ross process and the partial differential equation of the log-Heston model.

20 sharesSource ↗

04

Portfolio Inference

The Nonparametric Angles-based Correlation (NAbC) method is introduced to define the finite-sample distributions of any dependence measure, improving the understanding and management of financial portfolios in a multivariate context.

19 sharesSource ↗

05

Elasticity Dynamics

The 2HOED framework merges machine learning, blockchain, and modern causal inference to represent various systems as energy-based Hamiltonians, offering a new causal energetic channel linking elasticity to macro level outcomes.

18 sharesSource ↗

SSRN

Working papers in finance and economics from SSRN.

60 items

Quantitative30

01

Solana Token Market Inefficiencies

The study highlights a 25% loss in Solana token market capitalization due to fraudulent activities, indicating a need for better transparency and regulation.

8 sharesSource ↗

02

AI in Financial Risk Management

The paper explores the use of artificial intelligence in improving financial risk management in financial institutions, focusing on its application in various risk types.

3 sharesSource ↗

03

SSR under Quadratic Rough Heston

The research uses the finite difference method to calculate the skew-stickiness ratio under quadratic rough Heston, demonstrating its effectiveness.

3 sharesSource ↗

04

Cyber-Attack Prevention with ML

The study assesses the use of machine learning in improving IoT cybersecurity in Colombia and cloud computing, discussing the pros and cons of different algorithms.

2 sharesSource ↗

05

LPFG Temperature Sensing Demodulation

The research introduces a new optical data augmentation technique using Denoising Diffusion Probabilistic Models to improve the precision of fiber optic sensor parameter measurements.

2 sharesSource ↗

06

Short-Term Rental Price Forecasting

The study introduces a forecasting model for short-term rental prices using open-access data, identifying key pricing factors and promoting digital equity through accessible advanced housing analytics.

3 sharesSource ↗

07

Competitive Strategies in Differential Game Theory

The paper reevaluates the use of signed and unsigned distance functions in collision-distance-based pursue-evader scenarios in differential game theory, suggesting trajectories can be modeled with fully differentiable piecewise cubic polynomial interpolation.

2 sharesSource ↗

08

Reverse Classification Challenge

The article suggests a new method for experimental research, using machine learning metrics to evaluate results, potentially enhancing their reliability.

3 sharesSource ↗

10

Forecasting Technology Adoption

The research proposes a method to predict the adoption of innovative technology products, considering individual willingness to adopt and social influences.

2 sharesSource ↗

11

Optimal Non-swing Trading

The article presents a model to analyze the optimal non-swing trading strategy of corporate insiders, revealing that trading restrictions can reduce trading but can be offset by trading unrestricted stocks.

2 sharesSource ↗

12

Study on Negative Treasury Haircuts

The research investigates the supply of leverage in the Treasury market by large dealer banks, showing that their balance sheet capacity significantly influences the market's fragility.

2 sharesSource ↗

13

AI and ML for Educational Reform

The literature review discusses how artificial intelligence and machine learning can advance social justice and educational reform, highlighting the need for data privacy and equal technology access policies.

2 sharesSource ↗

14

Systematic Risks Network of Cryptos

The paper examines the relationship between the cryptomarket and financial markets, using a time-frequency connectedness framework to distinguish between temporary and persistent shocks in cryptocurrency prices.

3 sharesSource ↗

15

Predicting Laser Fabrication

The study uses machine learning to predict the properties of glass optical diffusers made by indirect laser machining, proving the effectiveness of combining this technique with machine learning models.

2 sharesSource ↗

19

Machine Learning: Theory to Practice

Theory to Practice: The book 'Machine Learning From Theory to Practice' provides a practical application of machine learning, using real-world examples and ethical considerations.

3 sharesSource ↗

24

AI and ML in Future SOA Trends

The article explores the future of Service-Oriented Architecture (SOA) improved by AI and ML integration, enabling intelligent decision-making and real-time data processing.

3 sharesSource ↗

Financial30

01

Model Complexity in Asset Pricing

Complex algorithms in global models outperform regional models in cross-sectional asset pricing, contradicting previous studies favoring regional methods.

5 shares1 citation todaySource ↗

03

Numerical Methods for Finance

The paper analyzes advanced numerical techniques in finance, discussing their applications, limitations, and challenges like computational complexity and model risk.

3 sharesSource ↗

04

Share Repurchase Legalization Impact

Legalizing stock-repurchase boosts investment by improving equity capital access and reallocating idle cash, implying that buyback restrictions could hinder efficient capital allocation.

3 sharesSource ↗

05

AGNOSTIC for Quantitative Finance

The AGNOSTIC tool, using online learning and convex optimization, helps overcome dimensionality and overfitting issues in Quantitative Finance without depending on assumptions or models.

4 sharesSource ↗

07

Human Capital in VC

Venture capital partners with diverse backgrounds are more likely to lead high-risk, innovative investments, which have a higher chance of major success or failure, highlighting their role in screening and enhancing firm performance.

2 sharesSource ↗

08

Love at First Trade

Chinese investors tend to favor the first stock they bought, indicating that initial investment experiences shape future portfolio decisions.

2 sharesSource ↗

09

Order Flows Impact Stock Prices

External order flows can affect stock prices, with significant purchases leading to a 6.4% increase in the Fama-French 5-factor alpha for CSI 500 index stocks.

2 sharesSource ↗

13

ARXNAVIS: Blockchain Mobility

Blockchain Mobility: ARXNAVIS combines six smart-contract protocols to achieve fiscal sustainability through Asset-Backed Digital Currency (ABDC) treasuries and NEXUS3.

3 sharesSource ↗

14

Trump's Bitcoin Impact

The Trump family's support for cryptocurrency significantly impacts Bitcoin's financial performance, showing Bitcoin's vulnerability to political signals.

2 sharesSource ↗

15

Stablecoins as NQA Money

Stablecoins, acting as no-questions-asked (NQA) money, saw increased inflows during Korea's 2024 martial law crisis, indicating their role as money and liquidity providers.

2 sharesSource ↗

16

Local vs. Stochastic Volatility

The study questions the accuracy of local volatility models in economic and financial variables, indicating that volatility isn't always local.

2 sharesSource ↗

17

Luxury Watches Diversification

Luxury watches, especially Rolex, Patek Philippe, and Audemars Piguet, offer significant diversification benefits and perform better than stocks, bonds, and gold when adjusted for risk.

3 sharesSource ↗

19

Macroeconomic Announcement Risk

The study explores the high stock returns on days of scheduled macroeconomic announcements, suggesting that increased inflation leads to more uncertainty about future monetary policy.

3 sharesSource ↗

20

US Tariff Policy

The study contends that U.S. tariff policy under Trump's second administration is consistent with momentum-style investing and reinforcement learning, rather than being random.

3 sharesSource ↗

21

Option Returns in Crypto

The crypto market has developed a liquid derivatives market, but there are significant risk premiums for small maturities and at-the-money prices.

2 sharesSource ↗

22

Asset Manager Commonality

Asset managers of life insurers impact financial markets, with insurers using the same asset manager having similar portfolios and trades, but the increase in portfolio return correlation is minimal.

2 sharesSource ↗

23

UIP Violations in FX Markets

The research indicates that uncovered interest parity (UIP) is upheld during overnight trading but violated during U.S. intraday periods, affecting currency trading returns.

3 sharesSource ↗

24

Network Basket Loan

The article introduces the Network Basket Loan, a financial tool aimed at funding socially beneficial projects and addressing market failures.

3 sharesSource ↗

RePEc

Economics working papers from RePEc's NEP field reports.

30 items

Finance6

01

Enhanced EM Portfolios with AATS

The rise of algorithmic trading and passive investing has caused issues during market downturns, but a new Automated Adaptive Trading System could help stabilize emerging markets in such times.

27 sharesSource ↗

03

Dynamic Correlations in Risk Parity Portfolio Optimization

Using expected shortfall as the risk measure in risk parity portfolio optimization reduces sensitivity to volatility shocks and decreases portfolio turnover during market turmoil, with a time series model enhancing risk-adjusted returns and overall risk management.

16 sharesSource ↗

05

Novel Window Analysis for HFT

The study introduces a new method for assessing decision-making units' efficiency over time, using the Whale Optimization Algorithm, and applies it to forex investment strategies and utility firms in the Ho Chi Minh City Stock Exchange.

11 sharesSource ↗

06

Monitoring Poverty in Data-Deprived Lebanon

The paper uses a new data augmentation technique to study poverty in the Middle East and North Africa, specifically Lebanon, using alternative data sources when traditional income data is scarce or unavailable.

10 sharesSource ↗

Statistical5

01

BRM for Incomplete Data Prediction

The blockwise reduced modeling (BRM) method is introduced for better analysis of blockwise missing data patterns, offering faster and more accurate predictions by minimizing data imputation.

20 sharesSource ↗

03

Product Market Competition and Zero-Leverage

Research shows that increased product market competition (PMC) prompts firms to adopt zero-leverage (ZL) strategies, particularly those with higher earnings volatility, affecting capital structure decisions.

18 sharesSource ↗

04

News Sentiment Impact on Risk Management

The study reassesses the impact of news sentiment on stock return volatility, finding that accurately measured news sentiment significantly influences intraday stock return volatility, with GPT-4 classification outperforming RavenPack.

16 sharesSource ↗

Machine Learning7

01

Machine Learning for M&A

A study shows machine learning models are more effective than traditional methods in predicting Chinese corporate merger and acquisition activities using 60 variables.

28 sharesSource ↗

02

Tail Risk Management

New probabilistic deep learning frameworks have been proposed for estimating financial risk measures, improving capital allocation in financial institutions.

27 sharesSource ↗

03

Bond Market Volatility in China

Machine learning methods can more accurately predict Chinese stock market volatility using the volatility of long-term treasury bond contracts, outperforming traditional models.

24 sharesSource ↗

04

Lot Streaming and Scheduling

The article proposes a new algorithm and machine learning model to improve the efficiency and accuracy of the Lot Streaming and Scheduling Problem with stochastic product arrival times.

16 sharesSource ↗

05

Dynamics in Chinese Financial Markets

The paper introduces a new machine learning technique for analyzing and modeling complex time series, providing a potential alternative to the Box-Jenkins method in financial modeling.

13 sharesSource ↗

07

Housing Market Quantile Connectedness

The research uses machine learning to study the global influence of the US housing market and its interest rates, emphasizing their significant impact on international housing market spillovers.

10 sharesSource ↗

Deep Learning2

Historical Trending10

01

Predicting VIX Trends

The article discusses a study that uses machine learning to predict the CBOE Volatility Index, highlighting weekly jobless claim data as a significant factor.

23 sharesSource ↗

02

Euro Bank Stock Prediction

The study reveals that traditional machine learning models outperform deep learning models in predicting stock price direction in the Eurozone banking sector.

13 sharesSource ↗

03

AI Capability Impact

The research indicates that AI capability directly affects firm performance, with a data-driven culture and AI infrastructure playing key roles.

5 sharesSource ↗

04

Social Media Climate Talks

The article emphasizes the need for communication and a comprehensive approach to address climate change, using machine learning to analyze climate change discussions on social media.

4 sharesSource ↗

05

Dark Patterns in Retail

The study investigates the issue of dark patterns in retail investment, focusing on the use of behavioral sciences and AI to improve regulation.

2 sharesSource ↗

10

Online Gig Work: Structural Analysis

Structural Analysis: The study tests the Work Need Satisfaction Scale (WNSS) among online gig workers, suggesting the scale needs modification to better reflect the specifics of online platform work.

1 sharesSource ↗

GitHub

Repositories the letter featured.

7 items

Finance2

01

Global Macro DB

The repository includes the replication code and raw data utilized to construct the Global Macro Database.

116 shares

02

Quantcodeframe

The article explores a declarative native data frame validation library.

264 shares

Trending5

01

Math Books

Books explores different genres of literature and their significance.

1,133 shares

02

System Leaks

Collection of leaked system prompts reveals a set of unauthorized system prompts that have been leaked.

5,460 shares

03

MetaGPT Software

The MultiAgent Framework First AI Software Company Towards Natural Language Programming discusses the pioneering AI company moving towards natural language programming.

55,170 shares

04

FB Type Checker

A fast type checker and IDE for Python introduces a speedy and efficient type checker and development environment for Python.

481 shares

05

Nuitka Compiler

Nuitka is a Python compiler written in Python describes the workings and compatibility of Nuitka, a Python compiler.

13,064 shares

News

Industry news: funds, hiring, markets and regulation.

20 items

Quantitative10

01

Derivatives Margin Calls Rise

Trump's tariff escalation has led to a rise in derivatives margin calls due to market volatility, causing financial strain on hedge funds and leveraged investors.

10 shares

02

Hedge Funds Adjust to Volatility

Due to market turbulence and macroeconomic uncertainty, hedge funds are altering their index dispersion trades strategy.

9 shares

03

SimCorp Improves Equity Risk Model

SimCorp has launched an upgraded version of its Axioma Worldwide Equity Factor Risk Model to assist hedge funds and asset managers in managing volatility and creating stronger portfolios.

6 shares

04

Exciting Hedge Fund Launch in 2025

The 2025 hedge fund landscape is predicted to change significantly, with strategic diversification, geographic fragmentation, and stratified capital access reshaping the competition.

6 shares

05

Systematic Hedge Funds Purchase Equities

Systematic hedge funds are expected to increase their equity exposure in the coming weeks, regardless of short-term market movements, according to a Goldman Sachs analysis.

6 shares

06

Sandglass Capital's Research Director

Charles-Antoine Wauters has been named a Director on the Investment Team at Sandglass Capital, a firm specializing in emerging market credit.

5 shares

07

Armistice Suffers Losses

Armistice Capital, a biotech-focused hedge fund, has experienced its third consecutive month of losses in 2025.

4 shares

08

Ackman Expands Hughes Stake

Bill Ackman is turning his Pershing Square Capital Management hedge fund into a diversified holding company by increasing his stake in Howard Hughes Holdings.

3 shares

09

Tudor Jones Predicts Tariff Reduction

Paul Tudor Jones predicts a 50% reduction in tariffs on Chinese goods by President Trump, but warns it may not stop equity markets from retesting recent lows.

3 shares

10

Haidar's Fund Loses in April

Haidar Capital Management's Jupiter Fund experienced a 25% loss in April due to macro volatility from President Trump's renewed trade war.

3 shares

Miscellaneous10

01

Strong Inflows for Digital Asset Fund

CoinShares' report reveals that digital asset investment products have seen a third week of inflows, totaling $5.5bn over three weeks.

3 shares

02

Two Senior PMs Depart Point72

Point72 Asset Management has lost two senior macro portfolio managers, Yau Ng and Alex Blanchard, based in Singapore and Dubai respectively.

3 shares

03

Astellas Teams Up with Activist Farallon

Farallon Capital Management, an activist hedge fund, has increased its involvement with Astellas Pharma, receiving public recognition from the company's leadership.

2 shares

06

Third Point US Steel

Third Point, a hedge fund run by Daniel Loeb, has acquired a significant stake in US Steel, anticipating its merger with Nippon Steel despite political obstacles.

2 shares

07

AQR Delphi Strategy

AQR Capital Management's Delphi LongShort Equity Strategy experienced a 3.2% rise in April, pushing its year-to-date return to 12.1%, as per an unidentified source.

2 shares

08

MFA Margin Rules Warning

The Managed Funds Association has cautioned US financial regulators that stringent margining practices in the Treasury repo market could potentially disrupt liquidity and heighten systemic risk.

1 shares

09

ExodusPoint April Gains

Despite geopolitical instability and shifting trade policies in April, large multistrategy hedge funds, led by ExodusPoint's 2.8% gain, reported positive returns.

1 shares

Podcasts

Episodes on markets, quant methods and economics.

10 items

Quantitative5

01

Diversification Over Conviction

Alex Shahidi warns that due to market uncertainty, the old investing playbook may be outdated, suggesting diversification across multiple asset classes, including gold.

11 shares

02

Market Signals and Bear Market Warnings

Vincent Randazzo believes a bear market could last longer than expected due to deteriorating market breadth, advising a risk-aware strategy for investors.

8 shares

03

Decoding Market Volatility

Jay Hatfield argues that the Federal Reserve fails to distinguish between one-time price increases and inflation, discussing the recent market selloff and recovery after Trump's tariff announcements.

8 shares

04

AgenticAI: The Future

The Future: Zeynep Tunc introduces AgenticAI, a dynamic decision-making approach with applications in fields like autonomous vehicles and portfolio management.

8 shares

05

Insights on EM Fixed Income

Jonny Goulden and Saad Siddiqui discuss the impact of recent market developments on the EM fixed income asset class in a May 2025 podcast.

8 shares

Related5

01

Investment Strategy Update

Seth Cogswell warns that a potential reversal of globalization could disrupt traditional investment strategies, advocating for a disciplined approach, especially in midcap companies.

7 shares

02

US Rates Update

JP. Morgan strategists Jay Barry and Meera Chandan analyze recent developments in the Treasury and FX markets in relation to employment data, trade negotiations, and the Treasury's May refunding announcement.

6 shares

03

Global FX Update

JP. Morgan's Global FX team discusses the significant move in USDTWD and its implications for USDCNY, Asia FX, and global FX, along with recent macro data and central bank decisions.

5 shares

04

Decarbonizing Strategies

Raj Shah investigates if factor portfolios can be decarbonised without impacting their risk and return characteristics in a new research paper.

5 shares

05

Ben Cohen Interview

Ben Cohen, former Global Head of Data Strategy at WorldQuant, discusses the changing role of data sourcing, team recruitment, and the influence of AI on the data industry in an interview.

4 shares

X / Twitter

Posts from quant researchers on X.

6 items

Quantitative3

Miscellaneous3

01

Investing Research Roundup

The investment research roundup covers topics like Macro Announcement Risk Premia, MeanReversion Strategy, model complexity, real estate diversification, and highlights relevant blogs, repositories, and podcasts.

1 shares

02

High Sharpe Ratios

The article hints at the unveiling of certain high-performing Sharpe Ratios.

0 shares

03

Weekend Reading Joy

The author is looking forward to reading a specific article during the weekend.

0 shares

Reddit

Threads from r/quant, r/algotrading and friends.

6 items

Quantitative1

Rising5

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