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Quant LetterNo. 93

April 2025, Week 3

156 items across 9 sections, as sent to readers on 16 April 2025. Paper titles open their ML-Quant page; ↗ goes to the source.

arXiv

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

20 items

Finance8

01

Stylized Facts in Financial Markets

The article examines eleven financial market patterns across different regions and cryptocurrencies over 150 years, offering insights into their reliability and applicability.

38 shares6 citations todaySource ↗

04

Graph Neural Network Trading

The paper presents a new algorithm, Trading Graph Neural Network (TGNN), that predicts the impact of various factors on asset prices in trading networks, surpassing existing methods in prediction accuracy.

17 shares1 citation todaySource ↗

05

Large Language Models in Stock Market Simulation

The article presents an open-source framework for a simulated stock market, where large language models act as trading agents, allowing for analysis of market dynamics under different conditions.

16 shares26 citations todaySource ↗

06

Convergence of Hurst Parameter Estimation

The research extends the convergence result of a scale-invariant estimator, proving its consistent estimation of the Hurst parameter in rough stochastic volatility models.

14 shares4 citations todaySource ↗

08

Pontryagin-Guided Portfolio Optimization

The article introduces the Pontryagin-Guided Direct Policy Optimization framework for solving large-scale portfolio optimization problems, capable of handling up to 50 assets and 10 state variables.

11 shares4 citations todaySource ↗

Economics8

01

Human vs ChatGPT

A study reveals that the latest versions of AI outperform humans in decision-making, showing nearly perfect Bayesian classifications, unlike humans and early AI versions that exhibit judgement biases.

26 shares2 citations todaySource ↗

02

Market Portfolio Decomposition

A new market-based portfolio variance has been derived, accounting for random trade volumes, which could help portfolio managers and macroeconomic model developers adapt to market realities.

22 sharesSource ↗

03

Gender-Related Innovation Trends

A proposed trend-based modelling framework can analyze gender-related aspects of innovation processes in SMEs, identifying 13 scenarios and possible transitions, offering a practical solution for complex, data-scarce systems.

15 sharesSource ↗

04

Culture's Impact on Migration

A study using UN migration data shows that cultural proximity significantly influences migration patterns, with wealthier countries' migrants choosing culturally similar destinations, and half of OECD countries showing a bias towards accepting culturally close migrants.

14 sharesSource ↗

05

EV Purchase Factors

A study finds that consumers knowledgeable about electric vehicles and their environmental benefits, and who trust in the growth of charging stations, are more likely to consider buying one.

13 sharesSource ↗

06

Gender Differences in Automation Risk

The chapter discusses the risk of automation in developing countries' labor markets, with a focus on gender differences due to prevalent gender-based job segregation.

13 shares1 citation todaySource ↗

07

Global Food Network Robustness

Research on the global food supply network shows its increased robustness over time, but warns that severe shocks to key suppliers like the US and India could cause a systemic collapse.

12 shares1 citation todaySource ↗

Miscellaneous2

01

DeepGreen Monitoring System

DeepGreen is a system that uses large language models to identify green-washing in corporations by analyzing their financial statements, showing that green practices can boost a company's asset return rate.

16 shares7 citations todaySource ↗

02

EthosGPT Human Values Mapping

EthosGPT is an open-source framework that uses large language models to assess and map human values globally, aiding in the creation of inclusive AI systems and promoting value diversity in accordance with the United Nations Sustainable Development Goals.

16 sharesSource ↗

Historical Trending2

01

Portfolio Optimization

The article discusses a new method for portfolio optimization using principles like the Commonality Principle and introduces a new risk management framework.

23 shares7 citations todaySource ↗

02

Battery Storage Strategy

The paper presents an automated trading strategy for battery energy storage systems in the power intraday market, showing increased revenue potential dependent on trading speed.

17 shares6 citations todaySource ↗

SSRN

Working papers in finance and economics from SSRN.

53 items

Quantitative29

07

Multiscale Price Discovery in Indian Markets

The study shows that about 90% of information exchange between the Nifty index spot and futures markets occurs within two weeks, with volatility being more crucial than liquidity for improving the informational efficiency of the index futures market.

2 sharesSource ↗

09

Predictive Maintenance in QAD ERP

The research focuses on the use of machine learning for predictive maintenance in the QAD ERP system, aiming to minimize downtime and optimize equipment use.

2 sharesSource ↗

10

USChina Tensions Impact on Gold and Oil

The study analyzes the effect of US-China tensions on the volatility and hedging of gold and crude oil prices, showing a significant impact on long-term crude oil price volatility.

2 sharesSource ↗

11

Ethical Sentiment in Drug Pricing

The article explores the influence of public sentiment on companies' financial performance after ethically dubious actions, indicating that negative sentiment can both help and hinder performance.

3 sharesSource ↗

12

Jet Genie Research Paper

JetGenie, an AI-based conversational system, is designed to simplify airline ticket booking through intelligent automation and real-time support, providing a personalized solution for modern travelers.

3 sharesSource ↗

13

Portfolio Choice Mental Framing Effects

The study reveals systematic decision errors in dynamic portfolio choice, highlighting the importance of problem framing and supporting a libertarian paternalistic approach to choice architecture design.

4 sharesSource ↗

14

AI Algebra for Quantitative Finance

The research presents a tensor-based framework that expands AI's algebraic foundations to quantitative finance, proving its effectiveness in simulating a portfolio of systematic investment strategies.

2 sharesSource ↗

Financial24

01

Data Privacy Risk at Firms

A study finds that companies with higher data privacy risks have lower earnings and higher bank loan costs, based on analysis of earnings call transcripts.

7 sharesSource ↗

02

Equity Risk Premium in India

A paper reveals a 6-10% variation in India's Equity Risk Premium (ERP) per 1% change in growth assumptions, highlighting the impact of volatile inflation on nominal risk premiums.

4 sharesSource ↗

03

Mutual Funds and Pollution Events

Research indicates that fund managers in areas affected by chemical spills improve their ESG scores by shifting from low to high ESG stocks, suggesting social factors influence portfolio changes.

3 sharesSource ↗

04

Global FOMO in Financial Markets

The Global Fear of Missing Out (FOMO) Index, using Google Trends data, forecasts lower stock returns, decreased volatility, and weaker Sharpe ratios, especially in democratic countries, showing the role of psychology and politics in finance.

2 sharesSource ↗

05

Capital Controls

The study suggests that controlling residents' capital outflows can stabilize domestic asset markets and prevent uninformed traders from losing wealth to speculators, as evidenced by housing markets.

2 sharesSource ↗

06

Media Bias in Stocks

The study reveals that national stock market indices perform poorly when influenced by daily media coverage, particularly negative news and significant index changes.

2 sharesSource ↗

07

Strategic Undervaluation

The paper proposes a theory, Strategic Undervaluation, explaining how states can intentionally lower the value of key assets to gain geopolitical advantage and destabilize rival economies.

2 sharesSource ↗

08

Ultra Short-Dated Spreads

The research shows that ultra short-dated option spreads, specifically zero-day-to-expiration SP 500 Index iron condors, provide a reliable advantage that can be scaled for fund deployment, especially when entered just before market close.

2 sharesSource ↗

09

Audit Trails for Stability

The article highlights the crucial role of audit trails in detecting systematic exposures, enhancing economic stability, discouraging regulatory deviance, and rebuilding investor trust.

2 sharesSource ↗

10

Options Trading Impact

The research indicates that active options trading can decrease price volatility and enhance hedging effectiveness in futures markets, as shown by the 1936 US commodity options trading ban.

5 sharesSource ↗

11

Videogame Investments

The study reveals that financial returns on videogame attributes, such as CSGO skins, surpass most traditional and alternative assets, offering diversification benefits.

7 sharesSource ↗

12

Real Estate Portfolios

The paper shows that listed real estate can match the performance of direct real estate and enhance the returns of a multiasset portfolio.

5 sharesSource ↗

13

Grain Market Speculation

The research finds that speculators did not trigger volatility in futures markets during the interwar period, but rather entered volatile markets without increasing volatility.

3 shares4 citations todaySource ↗

14

Turbulent Expectations

The book introduces a unified paradigm that views the capital market as a rational learning machine, with a focus on the equity risk premium puzzle.

4 sharesSource ↗

15

Mutual Fund Performance

The study investigates the performance of equity mutual funds, aiming to verify the persistence in their results using two risk-adjusted return indicators.

3 sharesSource ↗

16

Intraday Volatility Forecasting

The paper presents a new model for predicting high-frequency intraday conditional discrete return densities and volatility using deep learning, which surpasses empirical nonparametric forecasting rules and Space State Models.

3 sharesSource ↗

22

Stock Investment: p-index Approach

P-index Approach: A study using European put options to measure asset risk found that materials sector stocks in China's SSE 50 index had the highest annual return rates.

3 sharesSource ↗

24

Rationally Turbulent Expectations

The book introduces a new paradigm that views the capital market as a rational learning machine, with expectations being more volatile due to risk instability.

4 sharesSource ↗

RePEc

Economics working papers from RePEc's NEP field reports.

30 items

Finance6

03

Risk Parity Optimization

Using expected shortfall as a 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.

16 sharesSource ↗

04

Sharpe Ratio in Global Indices

The research finds that Sharpe Ratio Minimae and Maximae trading strategies are more profitable than the buy-and-hold strategy in global markets, supporting the Adaptive Market Hypothesis.

15 sharesSource ↗

05

Novel Window Analysis for HFT

The study introduces a new window analysis method for assessing decision-making units' efficiency over time, using the Whale Optimization Algorithm to identify stable trading strategies and companies.

11 sharesSource ↗

06

Monitoring Poverty in 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

Machine Learning7

01

Machine Learning for M&A

A study reveals that machine learning models are more effective than traditional methods in predicting Chinese corporate merger and acquisition activities.

28 sharesSource ↗

02

Tail Risk Management

New probabilistic deep learning frameworks have been proposed for estimating financial risk measures, offering improved performance and aiding in better capital allocation.

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, a study finds.

24 sharesSource ↗

04

Lot Streaming and Scheduling Problem

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 decomposing and analyzing complex time series, providing an alternative to the Box-Jenkins methodology for financial modeling.

13 sharesSource ↗

07

Housing Market Quantile Connectedness

The research uses machine learning to study the international housing market, finding that the US housing market is the main source of systematic shocks and its interest rate is a key global predictor of spillover intensities.

10 sharesSource ↗

Deep Learning2

01

Oil Price Forecasting: ML vs. DL

ML vs. DL: Deep learning methods have been found to be more effective than traditional machine learning in predicting oil prices, especially during crises.

31 sharesSource ↗

Historical Trending10

01

Predicting VIX Trends

The article discusses a study that uses machine learning to predict the CBOE Volatility Index, highlighting the importance of weekly jobless claim data for investment and risk management strategies.

23 sharesSource ↗

02

Eurozone Banks Stock Price Prediction

The study reveals that traditional machine learning models outperform advanced deep learning models in predicting Eurozone banking sector stock prices, due to dataset limitations.

13 sharesSource ↗

04

Social Media Climate Discussions

The research highlights the importance of communication in addressing climate change, using machine learning to analyze social media discussions on the subject.

4 sharesSource ↗

05

Retail Investing Dark Patterns

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

2 sharesSource ↗

08

EGovernance and Citizen Participation

The review investigates the link between e-governance initiatives and citizen participation, emphasizing the need for interdisciplinary research for effective evaluation.

2 sharesSource ↗

09

Bank Performance Determinants

The paper analyzes factors affecting banks' performance, proposing new research areas related to digital transformation, artificial intelligence, and COVID-19's impact.

1 sharesSource ↗

10

Online Gig Work Satisfaction Scale

The study tests the Work Need Satisfaction Scale's applicability to online gig workers, suggesting modifications to better reflect the specifics of online platform work.

1 sharesSource ↗

Papers with code

Papers that shipped their code, from the Papers with Code feed (2023-25).

6 items

Trending3

01

Foundation Agents

Large Language Models (LLMs) have significantly improved AI capabilities, enhancing reasoning, perception, and action in diverse areas.

650 shares

02

More Generalization

The article presents a consistent data synthesis pipeline designed to tackle complex problems.

436 shares

03

Language Model Quantization

Quantizing large language models is a prevalent technique used to reduce their memory and computational costs.

328 shares

Rising3

01

LocAgent GraphGuided LLM Agents

LocAgent improves codebase search by using directed heterogeneous graphs for a lightweight representation.

233 shares

02

NdLinear Representation Learning

NdLinear is suggested as an advanced alternative to standard linear layers for next-gen neural architectures.

100 shares

GitHub

Repositories the letter featured.

10 items

Finance5

01

Algorithmic Trading Books

The article recommends two books and provides related source codes to help readers understand algorithmic trading.

496 shares

02

Arbitrage-Free IV Surface Generation

The article shares a code repository for creating an ArbitrageFree Implied Volatility Surface using Variational Autoencoders.

30 shares

03

Synthetic Data Generation

The article explores the process of generating synthetic data for tabular data.

2,588 shares

04

Apache ECharts Data Visualization

The article presents Apache ECharts, a powerful tool for creating interactive charts and visualizing data in browsers.

63,061 shares

05

Monte Carlo Algorithms

The article showcases a set of Monte Carlo and Markov Chain Monte Carlo algorithms through straightforward examples.

376 shares

Trending5

01

Visual NoCode Editor

The article explores a visual nocode editor specifically created for shadcnui components.

1,038 shares

02

Run GitHub Actions Locally

This piece provides a guide on how to operate GitHub Actions in a local setting.

59,615 shares

04

OpenSource Python Toolkit

The piece presents a Python toolkit that is open-source and designed for creating, evaluating, and deploying advanced AI agents.

2,260 shares

05

Open Protocol

The article discusses an open protocol that enables communication and interoperability among opaque agentic applications.

5,219 shares

News

Industry news: funds, hiring, markets and regulation.

19 items

Quantitative9

02

BAM Launches Blockchain Alpha Fund

Block Asset Management has introduced the BAM Blockchain Alpha Fund, a multi-manager hedge fund targeting the digital asset sector.

10 shares

04

Hedge Funds Navigate Volatility with Reduced Losses

Despite underperforming during the recent US stock market surge, global long/short equity hedge funds remained resilient during volatility, as per Morgan Stanley and Goldman Sachs data.

7 shares

06

Hedge Funds Drop

The SSampC GlobeOp Hedge Fund Performance Index reported a decrease in performance with a gross return of 1.61 in March.

5 shares

07

Millennium Cancels

Millennium Management is withdrawing its capital from Pamalican Asset Management, a Hong Kong-based hedge fund.

4 shares

08

Bloomberg's Index Launch

Bloomberg has launched the Bloomberg Global Commodity Transition Metals Index to track the performance of metal commodities futures contracts.

4 shares

09

Asset Management Head Resigns

Frank Spiteri, the Head of Asset Management at CoinShares International Limited, a digital assets company, has resigned.

4 shares

Miscellaneous10

01

Abu Dhabi approves sculptor's op

Hedge fund manager, Sculptor Capital Management, has gained regulatory approval to operate in Abu Dhabi, UAE.

3 shares

02

Digital assets funds outflows

Digital asset investment products saw a third week of declines, with $795m in outflows last week, totaling $7.2bn in outflows since February.

3 shares

03

Greenwoods AM adds HK exposure

Amid US market uncertainties, Chinese hedge fund Greenwoods Asset Management has increased its exposure to Hong Kong-listed equities.

2 shares

04

LTP adds OTC platform

LTP, a digital asset prime broker, has launched a new over-the-counter trading platform, moving towards becoming a fully integrated multi-asset prime broker.

2 shares

06

Elliott's Activism

Elliott Investment Management has acquired a stake worth over $1.5bn in Hewlett Packard Enterprise, becoming one of its largest shareholders.

2 shares

07

Systematica Hit

Sharp market reversals have unexpectedly affected many computer-driven traders.

2 shares

08

Qube Research's Short

Qube Research & Technologies hedge fund has revealed a $105m short position in Trump Media & Technology Group.

1 shares

09

Bridgewater Founder Urges

Ray Dalio, founder of Bridgewater Associates, has called on the US to reach a trade deal with China to ease growing tariff tensions.

1 shares

10

Systematica Fund Declines

Systematica Investments' main hedge fund has seen a 19% drop year-to-date due to challenges with trend-following strategies.

1 shares

Podcasts

Episodes on markets, quant methods and economics.

10 items

Quantitative5

01

US Rates Volatility

US rates strategists highlight the historic volatility in US rates markets, pointing out a decline in Treasury market liquidity and shrinking swap spreads.

12 shares

02

Private Credit Outlook

Goldman Sachs' James Reynolds and Lotfi Karoui explore the effects of increasing global economic uncertainty on the future of private credit.

6 shares

03

Tariff Trouble with UBS

UBS Global Wealth Management's Chief Economist, Paul Donovan, examines the impact of structural economic changes, such as flexible working and demographic shifts.

6 shares

04

Global FX Debrief

Global FX Strategists review a turbulent week for currency markets, discussing key policy implications and future challenges from a global macroeconomic viewpoint.

5 shares

05

US Natural Gas Dynamics

The changing dynamics of natural gas power generation demand are predicted to significantly impact summer 2025, with a stronger production response likely postponed to 2026.

5 shares

Related5

01

Mike Thrasher Modus

The episode explores the complexities of family offices, their growth in North America, transition to multifamily offices, investment management, privacy issues, and the role of journalism in this sector.

4 shares

02

Asia postLiberation Day

The 'At Any Rate' podcast examines the effects of US reciprocal tariffs on EM Asia macro and markets, including changes in global economic perspectives, Asian growth predictions, policy reactions, and potential risks.

2 shares

03

Ep with Mirza

The podcast features Mirza discussing the impact of Trump's policies on Canada and his overall strategy, based on his experience in global foreign exchange research and trading.

2 shares

04

MacroVoices 475 Simon White

MacroVoices invites Simon White to discuss the Trump Tariff Tornado, treasuries, and the reasons behind the basis trade disruption.

2 shares

05

AI Agents with Atomic Agents 🚀

The Data Science at Home episode features Kenny Vaneetvelde discussing Atomic Agents, a new AI development framework, its practical applications, and advice for AI developers and businesses.

1 shares

X / Twitter

Posts from quant researchers on X.

2 items

Quantitative1

01

Investing Research Roundup

The latest investing research roundup discusses topics including the predictability of bond and stock returns, timing momentum, disagreement in option markets, and notable finance blogs.

0 shares

Miscellaneous1

01

Training Models and Creator Rights

The article talks about the possible violation of creators' rights and intellectual property caused by the training of models.

0 shares

Reddit

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

6 items

Quantitative5

Rising1

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