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Quant LetterNo. 108

August 2025, Week 1

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

arXiv

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

13 items

Finance6

01

Performative Market Making

The research shows how financial models can shape market processes and influence price changes, enabling market makers to use dominant strategies.

5 shares1 citation todaySource ↗

02

LossVersus-Rebalancing

The study introduces a mathematical model that views a CFAMM position as a portfolio of perpetual American CI options, aiding liquidity providers in estimating future costs and optimizing parameters.

5 shares4 citations todaySource ↗

03

AMM Liquidity Modeling

The paper presents a mathematical model for a CFAMM position, providing a practical framework for liquidity providers to control future costs and optimize position parameters.

5 shares4 citations todaySource ↗

04

Multi-Agent Trading System

The article introduces a new multi-agent system for financial trading that uses competition to analyze market data and make decisions, proving more effective than traditional methods in tests.

3 shares8 citations todaySource ↗

05

Stochastic Control Methods

The paper examines the maximum principle and dynamic programming principle in mean-variance portfolio selection of jump diffusions, studying their interrelation.

2 shares1 citation todaySource ↗

06

MeanVariance Portfolio Selection

The article delves into the link between the maximum principle and dynamic programming principle for mean-variance portfolio selection of jump diffusions, with a focus on the ties between the adjoint processes and value function.

2 shares1 citation todaySource ↗

Economics1

01

AI Adoption in Higher Education: Evidence from Elite College

Evidence from Elite College: More than 80% of students at a selective U.S. college have started using AI for academic purposes within two years of the release of ChatGPT. The usage varies across different subjects and student demographics, and institutional policies may affect usage patterns and have varying impacts.

1 shares19 citations todaySource ↗

Miscellaneous2

01

Arbitrage Analysis

Polymarket, a prediction market platform, has shown instances of arbitrage due to mispriced dependent assets, leading to an estimated $40 million in guaranteed profits, a study reveals.

4 shares13 citations todaySource ↗

02

LLMGuided RL Trading

A proposed hybrid system uses large language models to create high-level trading strategies, directing reinforcement learning agents and showing better return and risk metrics than standard reinforcement learning.

3 shares8 citations todaySource ↗

Crypto & Blockchain1

01

Ethereum MEV Transaction Re-Ordering

Two MEV builders, capable of manipulating transaction orders, now generate almost 80% of Ethereum blocks. This has led to frequent 'sandwich attacks' and indicates a need for changes like gas fee priority or private transaction pools.

2 shares1 citation todaySource ↗

Historical Trending3

02

Volatility Modeling with Rough Paths

The research compares Malliavin calculus and rough path theory for calibrating implied volatility surfaces, finding the latter more accurate in situations with rough or non-Markovian volatility.

5 shares1 citation todaySource ↗

03

Information Geometry of Lévy Processes

The paper investigates the information geometry of Lévy processes, calculating the α-divergence and the Fisher information matrix, with potential uses in financial modeling.

3 shares1 citation todaySource ↗

RePEc

Economics working papers from RePEc's NEP field reports.

30 items

Finance6

03

Risk Parity Optimization

Accounting for fat-tailed returns in risk parity portfolio optimization can lessen sensitivity to volatility shocks, decrease portfolio turnover during market instability, and enhance risk-adjusted returns.

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, and applies it to foreign exchange investment strategies and utility companies in the Ho Chi Minh City Stock Exchange.

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

01

BRM for Predictions

The BRM method is introduced for analyzing data with blockwise missing patterns, reducing data imputation and enhancing predictive performance.

20 sharesSource ↗

04

News Sentiment Management

The paper indicates that accurately measured news sentiment significantly impacts stock return volatility, with GPT-4 potentially outperforming RavenPack.

16 sharesSource ↗

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, outperforming existing methods 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

The article proposes a new algorithm and machine learning model for the Lot Streaming and Scheduling Problem (LSSP) with unpredictable product arrival times, aiming to enhance efficiency and accuracy.

16 sharesSource ↗

05

Dynamics in Chinese Financial Markets

The paper introduces a novel statistical machine learning method for decomposing and analyzing complex time series, providing a potential alternative to the Box-Jenkins method, as shown with COVID-19 financial data.

13 sharesSource ↗

06

Monetary Policy Frictions and Nonperforming Loans

The article develops a monetary policy frictions index using financial news and enhances the dynamic stochastic general equilibrium model with machine learning, indicating significant effects on Chinese banks' nonperforming loans.

12 sharesSource ↗

07

Housing Market Connectedness

The paper explores the global housing market's interconnectedness using quantile connectedness models and machine learning, highlighting the US market's role as the primary transmitter of systematic shocks and the influence of its interest rate.

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 research uses machine learning to forecast the CBOE Volatility Index, finding that weekly jobless claim data is a significant factor, improving trading strategy resilience.

23 sharesSource ↗

02

Stock Price Prediction

Traditional machine learning models are more effective than advanced deep learning models in predicting stock price direction in the Eurozone banking sector, a comparative analysis reveals.

13 sharesSource ↗

03

AI Capability Impact

The study indicates that AI capability directly affects firm performance, with a data-driven culture mediating this relationship and AI infrastructure being a vital resource.

5 sharesSource ↗

04

Climate Discussions

The study emphasizes the role of communication and a comprehensive approach in addressing climate change, using machine learning to analyze social media discussions on the subject.

4 sharesSource ↗

05

Dark Patterns in Retail

The paper investigates the problem of dark patterns in the retail investment sector, studying the use of behavioral sciences and AI to improve regulation and safeguard investors.

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 ↗

09

Bank Performance Determinants

The paper analyzes literature on factors influencing banks' performance, proposing new research areas in digital transformation, artificial intelligence, and the COVID-19 pandemic.

1 sharesSource ↗

10

Online Gig Work Satisfaction Scale

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

1 sharesSource ↗

GitHub

Repositories the letter featured.

10 items

Finance5

01

AI for ML

The article delves into an advanced AI and machine learning system, highlighting large language models, generative AI, and industry applications.

3,158 shares

02

LeadLag Finance

The piece investigates the use of LeadLag relationship discovery for identifying market leaders and followers for strategic portfolio building.

23 shares

03

ML Design Case Studies

The article offers a vast database of 450 machine learning system design case studies from a variety of companies.

292 shares

04

Advances in FinML

The article features exercises and summaries from the book Advances in Financial Machine Learning by Marcos Lopez de Prados.

27 shares

05

LLMQuant

The article examines the assets of LLMQuant, a firm specializing in machine learning and AI.

313 shares

Trending5

01

Cloud Tier Comparison

The article evaluates and compares the free services offered by major cloud providers like AWS, Azure, GCP, and Oracle.

5,373 shares

02

QwenImage

QwenImage is a sophisticated image generation model capable of intricate text rendering and precise image editing.

1,902 shares

03

OpenAI Models

The article explores gptoss120b and gptoss20b, two heavyweight language models developed by OpenAI.

8,830 shares

04

Grok CLI

The piece presents an open-source AI agent that incorporates Grok's features into your terminal.

1,346 shares

05

Design Principles

The article introduces a Periodic Table of System Design Principles, providing a comprehensive overview of design concepts.

956 shares

News

Industry news: funds, hiring, markets and regulation.

18 items

Quantitative9

01

Hazeltree boosts liquidity

Hazeltree collaborates with TreasurySpring to incorporate fixed-term investment products into its treasury management platform.

6 shares

04

Marex expands brokerage team

Marex adds Patterson McDonald to its New York sales team to improve its global prime brokerage and outsourced trading services.

4 shares

05

Client Capital Return

Honeycomb Asset Management is cutting its public equities portfolio and returning capital to investors due to market concerns.

4 shares

06

Hedge Funds Reduce Exposure

Hedge funds are decreasing their US equities exposure for the fourth consecutive week due to trade war uncertainties and overpriced stocks.

4 shares

07

TNS Adds Exchange Connectivity

Transaction Network Services has broadened its market data and connectivity by providing direct access to six major Latin American equities and derivatives exchanges.

4 shares

08

Smooth Operational Transitions

As alternative asset managers expand and diversify, they face challenges like talent gaps, rising costs, outdated systems, and disjointed processes, affecting their capital raising and product introduction capabilities.

3 shares

09

Poor Start Hedge Funds

Quantitative hedge funds focusing on trend-following strategies are facing difficulties this year due to abrupt reversals, policy shocks, and stagnant markets.

3 shares

Miscellaneous9

01

Dalio Leaves Bridgewater

Billionaire Ray Dalio has sold his remaining ownership stake in Bridgewater Associates, the hedge fund he founded 50 years ago.

2 shares

02

Citigroup Grows Hiring in Asia

Citigroup is planning to expand its Asia rates and prime brokerage teams by up to 10 due to increased activity from hedge fund clients.

2 shares

03

Digital Assets Funds See Record Inflows

Digital asset investment products saw $1.9bn in inflows last week, bringing the monthly total to a record $11.2bn, as per CoinShares' report.

2 shares

06

JPMorgan Engineer's CV Tip

The article explores strategies that, while not guaranteeing employment, could boost job prospects.

1 shares

07

ISS Urges Rejection of Malibu Life Deal

The article reveals ISS's recommendation for Third Point Investors Limited shareholders to reject the proposed purchase of Malibu Life Reinsurance SPC.

0 shares

08

Credicorp Ltd. Report

The article scrutinizes the business operations and performance of Credicorp Ltd.

0 shares

Podcasts

Episodes on markets, quant methods and economics.

10 items

Quantitative5

01

Investment Gurus

Mark Mattson, founder of a $11.5 billion investment firm, advocates for hard work, evidence-based investing, and diversification, rejecting quick-rich schemes and focused investing.

13 shares

02

Asset Allocation Change

Henry McVey, KKR's Head of Global Macro & Asset Allocation, explores the current macroeconomic situation, spotlighting opportunities in Europe and Japan, and the effects of a falling US dollar.

13 shares

03

OVVO Labs

Fred Viole, founder of OVVO Labs, is transforming finance with his statistical framework using partial moments and nonlinear and nonparametric statistics (NNS) for macroeconomic forecasts and portfolio optimization.

10 shares

04

EM Fixed Income

Jonny Goulden and Anezka Christovova discuss recent market trends and their effects on the emerging markets fixed income asset class.

9 shares

05

Interest Rate Expectations

Ben Bennett, Head of Investment Strategy Asia, talks about the steepening yield curve, the interplay of politics and economic data, and robust earnings from US tech giants.

8 shares

Related5

01

EM Fixed Income Update

Jonny Goulden and Anezka Christovova discuss the effects of recent market trends on the EM fixed income asset class in a 2025 podcast.

8 shares

02

Global FX Recap

In a 2025 podcast, Meera Chandan and Jay Barry examine the impact of key events like FOMC Payrolls Refunding and Trade deals on FX and rates.

5 shares

03

BoE Meeting Preview

Allan Monks and James Nelligan discuss the risks of the BoE policy meeting and give an overview of the UK economy and pound sterling in a 2025 podcast.

5 shares

04

India: The Next Big Play

The Next Big Play: Yujun Lin and Ivan Han explore the potential of India's markets as a valuable addition to investment portfolios in an Interactive Brokers Singapore episode.

4 shares

05

Tariff Shockwaves in Markets

Natasha Kaneva and Greg Shearer discuss the effects of trade negotiations and tariffs on India and China's oil purchases and the copper market in a 2025 podcast.

4 shares

X / Twitter

Posts from quant researchers on X.

4 items

Quantitative2

01

Investing Research Roundup

The article explores recent investment research on topics like cryptocurrency, mutual fund trading, low-risk investing, volatility forecasting, trend following, and highlights significant blogs, repositories, and podcasts.

6 shares

02

Repo

The article provides a detailed discussion on a notable repository.

0 shares

Miscellaneous2

01

Interview with Shariz Iqbal

The second interview with Shariz Iqbal, also known as Words of Rizdom, attracts 37k views on its debut day.

0 shares

02

Microsoft Report on AI Jobs

A Microsoft study discloses the professions most impacted by the advent of artificial intelligence.

0 shares

Reddit

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

10 items

Quantitative5

Rising5

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