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Quant LetterNo. 111

August 2025, Week 5

108 items across 8 sections, as sent to readers on 29 August 2025. Paper titles open their ML-Quant page; ↗ goes to the source.

arXiv

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

27 items

Finance10

01

Asset Pricing with Attention Models

The study finds that pretrained RNN attention models can effectively derive returns and hedge risks in asset pricing, even during extreme market conditions like the COVID-19 pandemic.

16 sharesSource ↗

02

ESG Risk Variables Algorithm

The research introduces a Hierarchical Variable Selection algorithm that outperforms traditional methods in identifying relevant ESG variables for corporate risk assessment.

10 sharesSource ↗

03

Dynamics of Stock Exchange

The paper uncovers the inherent bistability and complex dynamics of an artificial stock market exchange, which emerge from micro-level trading rules.

10 shares1 citation todaySource ↗

04

Pricing Random-Expiry Options

The study presents a new methodology for pricing random-expiry options, a type of nontraditional derivative contract, using an arbitrage-free trinomial tree approach.

10 sharesSource ↗

06

Forecast Combination for VaR and ES

The article discusses various methods for predicting Value-at-Risk and Expected Shortfall, highlighting the effectiveness of a trimmed mean approach, probability averaging method, and performance-based weighting combining.

8 sharesSource ↗

08

Combined ML for Stock Selection Strategy

The research proposes a stock selection strategy using combined machine learning algorithms, with Information Coefficients-based weighting showing superior results in returns and predictive performance.

7 sharesSource ↗

09

FinReflectKG: Financial Knowledge Graph Construction

Financial Knowledge Graph Construction: The paper introduces a large-scale financial knowledge graph dataset from SEC 10-K filings of S and P 100 companies, with a reflection-agent-based mode providing the best balance of efficiency, accuracy, and reliability.

7 shares22 citations todaySource ↗

10

THEME: Enhancing Thematic Investing

Enhancing Thematic Investing: The study presents THEME, a hierarchical contrastive learning framework for thematic investing, which surpasses baselines in multiple retrieval metrics and enhances portfolio construction performance.

7 shares2 citations todaySource ↗

Economics8

01

Ageing Populations & Economic Performance

Research indicates that countries with low or negative population growth tend to perform better in all indicators, contradicting the belief that fewer people result in a weaker economy and lower living standards.

121 shares1 citation todaySource ↗

03

Punishment Impact on Cooperation

An experiment shows that the success of punishment in fostering cooperation greatly depends on the cooperative context, with communication being the most influential factor.

8 shares2 citations todaySource ↗

04

Carbon Disclosure & Financial Performance

A study using AI tools reveals that comprehensive carbon emissions disclosure positively affects the financial performance of Chinese A-share listed companies, emphasizing the significance of carbon transparency in financial markets.

7 shares3 citations todaySource ↗

07

Monthly Inter-Industry Payment Flows in the UK

The UK Office for National Statistics has released a new dataset of monthly inter-industry payment flows from 2017 to 2024, which can be used for economic research and policy advice, updating previous empirical results.

6 sharesSource ↗

08

General AI Agents for Predicting Human Behavior

Modern AI agents can be used to apply social science theories to new settings with little or no modification, and have been found to predict human behavior more accurately than traditional methods in a sample of new games.

6 shares13 citations todaySource ↗

Miscellaneous3

01

FinCast: Time-Series Forecasting Model

Time-Series Forecasting Model: FinCast, a new model for financial time-series forecasting, outperforms existing methods by effectively capturing diverse patterns without needing domain-specific adjustments.

10 shares19 citations todaySource ↗

02

Bias-Adjusted LLM Agents for Decision-Making

A persona-based approach using individual-level data from behavioral economics shows potential in adjusting biases in large language models, enabling them to simulate human-like decision patterns.

9 shares3 citations todaySource ↗

03

The Coherent Multiplex: Wavelet Coherence Architecture

Wavelet Coherence Architecture: The Coherent Multiplex system uses a multilayer graph to identify and analyze coherence among multiple time series in real-time, with potential uses in neuroscience, finance, and biomedical signal analysis.

6 sharesSource ↗

Historical Trending6

01

Structural Function Identification

The article introduces a model that calculates results based on inputs and an unseen deviation, using this to estimate a company's production function and inefficiency.

21 sharesSource ↗

02

Neural Operators for Convex Programs

The research demonstrates how generative equilibrium operators, a type of Neural Operator, can solve complex optimization problems with a realistic number of parameters, bridging the gap between theory and practice.

16 shares7 citations todaySource ↗

03

Generative Neural Operators

The article confirms the efficiency of generative equilibrium operators in solving complex optimization problems, including nonlinear PDEs, stochastic optimal control problems, and mathematical finance hedging problems.

16 shares7 citations todaySource ↗

04

Super-Heston-Rough Model

The article proposes a bivariate Quadratic Hawkes process to model Time-reversal asymmetry in asset prices, accounting for differences in buying and selling actions.

13 sharesSource ↗

05

Option Pricing with Non-Markovian Volatility

The paper introduces a deep signature approach to asset pricing that simplifies rough stochastic differential equations into classical ones, addressing issues with non-Markovian stochastic volatility models.

12 shares1 citation todaySource ↗

06

Multi-Action Market Making with Hawkes Processes

The study combines Adversarial Reinforcement Learning, Hawkes Processes, and variable volatility to enhance market-making strategies, showing improved adaptability in high-volatility conditions and better market simulations.

11 shares3 citations todaySource ↗

RePEc

Economics working papers from RePEc's NEP field reports.

30 items

Finance6

02

Volatile KSE-30 Equities Allocation

Machine learning has been utilized to identify assets causing downward trends in the Pakistan Stock Exchange, suggesting a portfolio optimization scheme for efficient asset allocation.

25 sharesSource ↗

03

Risk Parity Optimization

Using expected shortfall as the risk measure in risk parity portfolio optimization can lessen sensitivity to volatility shocks, decrease portfolio turnover during market turmoil, and enhance risk-adjusted returns with a sophisticated time series model.

16 sharesSource ↗

04

Adaptive Market Hypothesis

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

15 sharesSource ↗

05

Novel Window Analysis

The study introduces a new 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 analyze poverty in the Middle East and North Africa, highlighting the significance of using alternative data sources for poverty analysis.

10 sharesSource ↗

Statistical5

Machine Learning7

01

Machine Learning for M&A

The study shows machine learning models are more accurate than traditional methods in predicting Chinese corporate merger and acquisition activities, with some variables significantly affecting prediction accuracy.

28 sharesSource ↗

02

Tail Risk Management

The paper introduces two new probabilistic deep learning frameworks for estimating Value at Risk and Expected Shortfall measures, improving capital allocation in financial institutions according to the Basel Capital Accord.

27 sharesSource ↗

03

Bond Market Volatility in China

The research indicates that the volatility of 10-year treasury bond contracts can accurately predict Chinese stock market volatility, with machine learning methods providing more precise forecasts than 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 ↗

07

Housing Market Connectedness

The research uses machine learning to study the global housing market, finding that the US market and its interest rate are key in predicting global spillover intensities.

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

Stock Price Prediction

The paper finds traditional machine learning models to be more effective than deep learning models in predicting Eurozone banking sector stock prices.

13 sharesSource ↗

03

AI Capability Impact

The article suggests that AI capability directly affects firm performance, with a data-driven culture and AI infrastructure being key factors.

5 sharesSource ↗

04

Climate Discussions

The research highlights the role of communication and a holistic approach in addressing climate change, using machine learning to analyze social media discussions on the topic.

4 sharesSource ↗

05

Dark Patterns in Retail

The study investigates the use of dark patterns in retail investment, and how behavioral sciences and AI can improve regulation and investor protection.

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 to assess these initiatives' effectiveness.

2 sharesSource ↗

10

Online Gig Work Satisfaction

The study tests the Work Need Satisfaction Scale's (WNSS) suitability among online gig workers, suggesting modifications to the scale to better reflect the specifics of online platform work.

1 sharesSource ↗

Machine learning

The general machine-learning papers the letter carried in 2023-25.

10 items

Historical Trending10

01

QLASS: Language Agent

Language Agent: QLASS system enhances the performance of language agents by offering step-by-step guidance, leading to better decision-making in complex tasks.

189 shares19 citations todaySource ↗

02

Decision Theory for Prediction

The Risk-Averse Calibration algorithm improves decision-making in risk-sensitive areas like medicine by linking prediction uncertainty with risk-averse decision-making.

20 shares46 citations todaySource ↗

03

RoPEs Learning

STRING, an extension of Rotary Position Encodings, offers exact translation invariance and low computational footprint, enhancing performance in robotics and object detection.

13 shares20 citations todaySource ↗

04

Particle Trajectory Learning

PoLAr-MAE uses self-supervised learning to analyze complex data from Liquid Argon Time Projection Chambers, achieving high performance with less labeled data.

13 shares9 citations todaySource ↗

05

LoRAX: Model Adaptation

Model Adaptation: LoRA-X enables the transfer of fine-tuning parameters across different models without original or synthetic training data, enhancing the efficiency of text-to-image generation tasks.

13 shares11 citations todaySource ↗

06

Articulate Anymesh

Articulate Anymesh is a new technology that transforms any 3D mesh into a movable object, improving 3D modeling and robotic manipulation.

10 shares53 citations todaySource ↗

07

SeedVR

SeedVR is a new tool that can restore real-world videos of any length and resolution, surpassing existing methods in detail recovery and fidelity.

8 shares70 citations todaySource ↗

08

Hierarchical Sparse Bayesian Model

A new model for multi-task binary classification learning has been proposed, showing improved performance in predicting health status based on microbiome profiles.

8 shares1 citation todaySource ↗

09

Mosaic3D

Mosaic3D, a new data generation and training framework, has been introduced for 3D scene understanding, achieving top results in 3D semantic and instance segmentation tasks.

7 shares24 citations todaySource ↗

10

COCONut-PanCap

The COCONut-PanCap dataset, featuring advanced panoptic masks and detailed captions, improves panoptic segmentation and image captioning, setting a new standard for multi-modal learning models.

6 shares14 citations todaySource ↗

GitHub

Repositories the letter featured.

10 items

Finance5

02

Finnhub Python API

Finnhub Python API Client provides real-time, high-quality financial data to investors, fintech startups, and investment firms.

775 shares

03

Efficient AlphaEval Framework

AlphaEval, a thorough and efficient evaluation system for formula alpha mining, has been put into operation.

31 shares

05

NucleusCloud Neosync Security Platform

A new open-source data security platform allows developers to monitor, detect PII, anonymize production data, and synchronize it across different environments.

4,100 shares

Trending5

01

Agile Ai Breakthrough

The article explores a novel approach to creating more adaptable and efficient AI systems.

11,051 shares

02

Postgres MCP Pro

The piece highlights the features of Postgres MCP Pro, such as customizable read/write access and performance evaluation for AI agents.

981 shares

03

DeepCode Agentic Coding

The article showcases DeepCode's unique method of turning text into web and backend code.

4,008 shares

04

Asterisk Toolkit

The article presents a powerful GUI app and toolkit for managing Claude Code, including the creation of custom agents and execution of secure background tasks.

14,849 shares

05

OpenMower Upgrade

The piece suggests an upgrade for budget-friendly robotic mowers, converting them into advanced, RTK GPS-enabled lawn mowing robots.

5,704 shares

News

Industry news: funds, hiring, markets and regulation.

13 items

Quantitative6

01

Numerai Secures JPMorgan Allocation

Numerai, a San Francisco hedge fund supported by Paul Tudor Jones, has received up to $500m from JPMorgan Asset Management, potentially increasing its assets to nearly $1bn within a year.

5 shares

02

GIPR Added to Quant Screener

GIPR has been included in the Custom Quant Screener, however, there has been an error in data retrieval.

2 shares

03

Hedge Funds Increase China Stock Buying

According to a Morgan Stanley report, global hedge funds are escalating their investments in Chinese stocks, with August predicted to have the largest monthly inflows since February.

2 shares

04

Windward Cineplex Buybacks

Windward Management is urging Cineplex Inc to implement aggressive share buybacks, sell non-essential assets, and prepare for a possible sale.

2 shares

05

Court Orders SEC Shortselling Review

A US appeals court has ordered the Securities and Exchange Commission to reevaluate its cost-benefit analysis of short-selling disclosure rules, marking a minor win for hedge fund groups.

2 shares

06

Urban Gro Inc. Quant Tools Ranking

According to a market trend report, Quant Tools has classified Urban Gro Inc. as a high-risk, high-reward investment based on AI-powered market entry strategies.

2 shares

Miscellaneous7

04

Elliott Leads Citgo Auction

An affiliate of Elliott Investment Management leads the auction for PDV Holding, Citgo Petroleum's parent company, with a bid higher than Dalinar Energy's previous $7.4bn offer.

1 shares

Podcasts

Episodes on markets, quant methods and economics.

10 items

Quantitative5

01

Arrowpoint CEO Jonathan Xiong Insights

Jonathan Xiong, CEO of Arrowpoint Investment Partners, shares his investment strategies and experiences in the finance sector in a podcast.

12 shares

02

GraniteShares YieldBOOST ETFs Explanation

In a LeadLag Live episode, William Rhind, CEO of GraniteShares, outlines the firm's YieldBOOST ETF strategy that generates high weekly distributions by trading options on volatile assets.

8 shares

03

French Political Scenarios Market Implications

A podcast features Meera Chandan, Aditya Chordia, and Raphael Brun-Aguerre discussing the potential impacts of French politics on economic, fiscal, rates, and FX markets.

5 shares

04

NanoConda Founder Roman Bansal Interview

Roman Bansal, founder of NanoConda, talks about his Russian upbringing, passion for reading, and how his company aids smaller firms with high-frequency trading setup in a podcast.

3 shares

Related5

01

Fantasy vs Fundamentals

Seth Cogswell from Running Oak talks about the current market trends, the prevalence of passive investing, and the possibility of a significant market correction on Lead-Lag Live.

2 shares

02

Built to Last?

Scott Bauer from Prosper Trading Academy discusses the market's robust recovery following Powell's Jackson Hole speech and the potential for sustained momentum.

2 shares

03

What's at Stake

Neil Azous from Rareview Capital talks about President Trump's increasing criticism of the Federal Reserve and its potential impact on interest rates, employment data, and the credibility of U.S. institutions.

1 shares

04

The Next Big Play?

Michael Normyle from NASDAQ discusses the potential benefits of investing in sports franchises, which are currently outperforming the stock market.

1 shares

05

Reviving the Economy?

Jose Torres, Senior Economist at Interactive Brokers, discusses potential Federal Reserve rate cuts and their possible effects on struggling sectors such as housing and manufacturing.

0 shares

X / Twitter

Posts from quant researchers on X.

2 items

Quantitative1

01

Latest Investing Research: Crude Oil, FX, SP 500, Portfolio, Blogs

Crude Oil, FX, SP 500, Portfolio, Blogs: The article discusses recent investment research on various topics including predicting crude oil returns, using media tone in foreign exchange trading, put writing strategies on the SP 500, and portfolio construction.

3 shares

Miscellaneous1

01

Fast Trading Signals: Noise Over Alpha

Noise Over Alpha: Daniel Bloch's article argues that fast trading signals, often seen as alpha, are typically just small sample noise. He suggests that what is perceived as speed is often just a faster response to randomness.

3 shares

Reddit

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

6 items

Quantitative5

Rising1

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