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Quant LetterNo. 92

April 2025, Week 2

180 items across 10 sections, as sent to readers on 9 April 2025. Paper titles open their ML-Quant page; ↗ goes to the source.

arXiv

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

28 items

Finance8

01

Enhanced Deep Hedging

A new deep hedging framework for index option portfolios, which includes surface-informed decisions and transaction costs, has been proposed and outperforms traditional methods in both simulated and historical data from 1996 to 2020.

20 shares9 citations todaySource ↗

02

DRL Algorithms for Option Hedging

A comparison of eight Deep Reinforcement Learning algorithms for dynamic hedging found that Monte Carlo Policy Gradient and Proximal Policy Optimization performed best, with the former outperforming the Black-Scholes delta hedge baseline.

17 shares7 citations todaySource ↗

03

Information Leakages in Green Bond Market

Anonymous leaks on the Bloomberg Terminal about upcoming green bond issues significantly affect the equity trading dynamics of the issuing firms, indicating a strong impact on market behavior that should be considered in green bond studies.

16 shares1 citation todaySource ↗

04

Stochastic Volatility Model for Tick-by-Tick Price

A tick-by-tick model of price formation, which models buy and sell orders as self-exciting point processes, shows that the aggregation of these processes introduces positive correlations between order volumes from different agents, reflecting market features like herd behavior and contagion.

15 sharesSource ↗

05

Portfolio Optimization

The article introduces a new risk management framework that uses Bayesian and neural networks for efficient portfolio optimization, based on Common Causal Manifolds.

15 shares7 citations todaySource ↗

06

Market Equilibrium

The paper presents a computational framework that uses deep reinforcement learning to solve financial market equilibria, providing predictions on asset returns and volatilities.

12 sharesSource ↗

07

Model Ambiguity

The study introduces a computational framework that uses deep reinforcement learning to solve financial market equilibria, predicting asset returns and volatilities.

12 sharesSource ↗

08

Exchange Rate Risk Model

The research explores optimal risk sharing contracts and wealth processes in situations of uncertainty, using a Spanish automobile insurance portfolio as a case study.

11 sharesSource ↗

Economics8

03

Election Shocks Impact Stock Prices

Research indicates U.S. presidential election cycles impact sectoral stock markets, with candidate preferences influencing asset prices in energy, defense, and clean energy sectors.

15 shares2 citations todaySource ↗

04

Women's Participation in Agriculture and Nutrition

Studies show women's increased participation in agriculture can improve household nutrition and income, but also increase time burdens, highlighting the need for gender equity and time efficiency in agricultural policies.

15 shares7 citations todaySource ↗

05

Sustainable Aviation Fuels in Brazil

Sustainable Aviation Fuels can cut carbon emissions by up to 80% in aviation, but high production costs in Brazil require policy changes and a regulated Carbon Market for economic feasibility.

12 shares4 citations todaySource ↗

06

The Hybrid Dilemma: Hybrid Technologies

Hybrid Technologies: Hybrid technologies aid in the development of emerging technology and market development, indicating that supporting new technology and destabilising existing technology can help reduce emissions.

11 sharesSource ↗

07

Underreporting of Intimate Partner Violence

In Brazil, older white women and those intolerant of domestic violence are more likely to report intimate partner violence, while married women and those with alcoholic partners are less likely to do so.

11 sharesSource ↗

08

Optimal Macroprudential Policy

Optimal financial sector regulation can improve stability by considering the impact of banks' decisions and redistributing future net worth, reducing the likelihood of banking crises. Macroprudential policy should include both taxes and subsidies.

10 sharesSource ↗

Miscellaneous8

02

Black-Scholes Model for Option Pricing

The research compares an extended Black-Scholes model with a machine learning model for option pricing, finding the former more efficient despite the latter's higher accuracy.

17 sharesSource ↗

05

LLMAdvisors in Finance

Large AI language models can match human financial advisors but may lead to unsuitable investments due to struggle with conflicting needs, despite users often favoring extroverted AI personas.

14 shares35 citations todaySource ↗

06

DBOT AI Investing

The paper introduces DBOT, an AI system that can value any publicly traded company like an expert, discussing its potential impact on the financial industry and human analysts.

13 sharesSource ↗

07

Human-AI Teaming

The study examines the transition of AI agents from passive tools to active collaborators, highlighting the need for better alignment with human values and objectives, and suggesting a research outlook on human-AI collaboration.

13 shares22 citations todaySource ↗

08

Chatbot Adoption Hurdles

The research identifies transparency about chatbot capabilities and providing average waiting times as key to increasing chatbot adoption in customer service, but also uncovers a user behavior of gatekeeper aversion.

12 shares3 citations todaySource ↗

Crypto & Blockchain1

01

Blockchain UBI Study: Results and Insights

Results and Insights: The article discusses a study on Circles UBI, a blockchain-based local currency system in Berlin. It explores the reasons why people participate, the economic advantages of community currency, and the innovative combination of basic income and local currency features.

15 sharesSource ↗

Historical Trending3

01

GPT Adoption Impact

The study finds that while revealing the use of AI tools like ChatGPT in professional roles reduces information gaps, it doesn't significantly cut agency costs as managers undervalue analysts' input with AI use.

20 sharesSource ↗

02

Trust in Data Sharing

The research proposes a new artifact to improve data trustworthiness and boost consumer trust in inter-organisational data sharing, focusing on trust from a data consumer perspective.

18 sharesSource ↗

03

Robot-Assisted Image Scanning Pipeline

The article presents a new robot-assisted process that greatly enhances efficiency in scanning, used to digitize a large collection of historical aerial photographs globally.

15 sharesSource ↗

SSRN

Working papers in finance and economics from SSRN.

55 items

Quantitative30

07

Strategic Behavior in Reverse Auctions

The study uses game theory to analyze how bidders' utility functions and valuation ranges affect their decision-making in the reverse auction process for mineral exploration licenses.

3 sharesSource ↗

08

Dynamic Collateralization in DeFi

The article suggests a machine learning system to adjust collateral requirements in decentralized finance lending, aiming to reduce liquidations and improve capital use.

2 sharesSource ↗

11

Optimizing Netcdf Data Queries

NetCDFaster, a web-based platform with a lightweight machine learning model, significantly speeds up data retrieval from large NetCDF datasets.

2 sharesSource ↗

22

Risk Profile of Corporate Bond ETFs

The research indicates that corporate bond ETFs trade lower liquidity risk for higher intermediary risk, with the effect being more noticeable for high-yield ETFs, those with less liquid portfolios, and funds dependent on weaker Authorized Participants.

3 sharesSource ↗

28

Wireless Networks with ML Routing

A machine learning system using a BAT computational approach and fuzzy-neuron mode aims to save energy and prolong sensor life by reducing network redundancy.

2 sharesSource ↗

30

Liquidity Regulation in Mutual Funds

A model study found that liquidity requirements enhance system-wide resilience in managing fund liquidity risk, while redemption restrictions may increase the risk of fire sales.

2 sharesSource ↗

Financial25

02

Climate Risks on Bond Markets

Research reveals that physical climate risks, inflation rates, and bonds themselves influence risk across bond markets during periods of high volatility.

4 sharesSource ↗

03

Tariffs and Inflation Effects

A study investigates the macroeconomic effects of President Trump's Liberation Day tariffs, particularly their impact on inflation expectations, capital investment, and output.

3 sharesSource ↗

04

Bitcoin as Reserve Asset

A paper questions the suitability of Bitcoin as a reserve asset for U.S. governments, citing its extreme volatility, lack of intrinsic value, and increasing correlation with other risk assets.

2 sharesSource ↗

05

European Funds

Research analyzes the efficiency of management in European mutual fund markets, aiming to highlight differences among countries.

2 sharesSource ↗

06

Auctions & Abnormal Returns

Foreign exchange returns increase when U.S. macroeconomic news releases are preceded by Treasury auctions due to decreased Treasury demand and limited risk absorption by primary dealers.

4 sharesSource ↗

07

Mutual Fund Skill Compare

Global equity mutual fund and MSCI indices managers show poor market prediction skills, with no significant difference in asset selection abilities.

2 sharesSource ↗

09

Value-Growth Stock Classify

A new method combining KMeans clustering and Mahalanobis Distance provides a more stable and accurate classification of S&P 500 stocks into value and growth categories.

2 sharesSource ↗

10

Debiasing Recency in Sales

Individual investors are more likely to sell stocks held for a longer period in December tax-loss sales, indicating that reviewing all losing positions can reduce recency bias.

2 sharesSource ↗

11

Options Trading and Risk Management

The 1936 U.S. ban on commodity options trading led to increased volatility and reduced hedging effectiveness in futures markets, emphasizing the role of options trading in market stability.

5 sharesSource ↗

13

Feds Corporate Credit Facility

The SMCCF effectively stabilized the U.S. corporate bond market during the COVID-19 pandemic, reducing credit spreads and restoring a normal yield curve.

4 sharesSource ↗

14

Asset Allocation Changes

The article explores the evolution of asset allocation methodologies from the traditional MVO framework to modern alternatives that address its limitations.

3 sharesSource ↗

15

Derivatives in ETFs

About 60% of ETFs use derivatives, which influences market competition by offering lower fees or providing downside protection for investors.

3 sharesSource ↗

16

Grain Market Speculation

Speculators did not cause volatility in grain futures markets during the interwar period, but rather entered volatile markets, indicating no need for restrictions on speculative activity.

3 shares4 citations todaySource ↗

17

Mutual Fund Performance

The study analyzes the performance of over 20,000 equity mutual funds from 1990-2024, investigating the persistence of their results and the adequacy of information provided to investors by regulators.

3 sharesSource ↗

18

Biodiversity Challenges

Startups focusing on biodiversity attract a diverse range of investors, including impact funds and public institutions, but raise less capital, a machine learning study reveals.

3 sharesSource ↗

19

Community Bank Impact

The Community Bank Leverage Ratio (CBLR) increases risk-taking and profitability of small U.S. community banks, primarily through asset contraction, a study finds.

3 sharesSource ↗

20

Earnings Disclosures

Firms' earnings announcements contain significant information that explains stock return variations, more than other textual measures, a study using a large language model shows.

3 shares40 citations todaySource ↗

21

Geopolitical Risk in Banks

European banks with high exposure to Russia face higher funding costs and lower stock returns due to the Russia-Ukraine war, a study on financial stability risks reveals.

3 sharesSource ↗

22

Risk Factors in Stocks

Long-run risk factors vary between Conventional and Islamic Capital Markets post-Shariah-screening, with the real sector activity reflected in the market, a study using Johansen cointegration and Granger causality tests shows.

3 sharesSource ↗

23

Green Bond Market Leakages

Information leaks about upcoming green bond issues significantly impact the equity trading dynamics of the issuing firms, leading to negative returns and increased trading volumes, a Bloomberg Terminal data study reveals.

3 sharesSource ↗

24

Hedged Stock Returns

Models with percentage returns bounded by unity in absolute value improve pricing return variations and options, a study using characteristic functions and machine learning methods shows.

2 sharesSource ↗

25

Recession Indicators

Updated macroeconomic beliefs significantly aid in forecasting recessions and improving portfolio allocation strategies, a study analyzing data from the Survey of Professional Forecasters and the University of Michigan's Survey of Consumers reveals.

3 sharesSource ↗

RePEc

Economics working papers from RePEc's NEP field reports.

30 items

Finance6

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 considering fat-tailed returns.

16 sharesSource ↗

05

Novel Window Analysis for HFT

The study introduces a new method for assessing decision-making 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

Machine Learning7

01

Machine Learning for M&A

Machine learning models are more effective than traditional methods in predicting Chinese corporate mergers and acquisitions.

28 sharesSource ↗

02

Tail Risk Management

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

27 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 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

Historical Trending10

01

Predicting VIX Trends

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

23 sharesSource ↗

02

Stock Price Prediction

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

13 sharesSource ↗

03

AI Capability Impact

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

5 sharesSource ↗

04

Climate Discussions

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

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 protect 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 evaluate 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 ↗

Machine learning

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

10 items

Historical Trending10

01

LLM Reliability Evaluation

The article highlights the need for reliable large language models, criticizes current benchmarks for their inadequacy, and suggests the use of platinum benchmarks to reduce label errors and ambiguity.

54 shares54 citations todaySource ↗

02

MAETok: Tokenizers for Diffusion Models

Tokenizers for Diffusion Models: The study presents MAETok, an autoencoder for latent diffusion models, which enhances the quality of high-resolution image synthesis by learning a semantically rich latent space.

35 shares94 citations todaySource ↗

03

NutWorld: Representing Monocular Videos Efficiently

Representing Monocular Videos Efficiently: The paper unveils NutWorld, a system that converts monocular videos into dynamic 3D Gaussian representations, offering high-quality video reconstruction and facilitating real-time applications.

29 shares8 citations todaySource ↗

04

Converging SGD Algorithm

The authors introduce a novel gradient descent algorithm with adaptive randomness, which improves convergence rates and robustness when solving nonconvex optimization problems.

28 shares6 citations todaySource ↗

05

DeepSeek R1: Generative AI Implications

Generative AI Implications: The report covers the launch of DeepSeek's new reasoning model, DeepSeekR1, its technical progress, and its impact on Generative AI, despite the US's GPU export ban.

23 shares43 citations todaySource ↗

06

BFSProver: Scalable Best-First Tree Search

Scalable Best-First Tree Search: BFS-Prover is a scalable framework that uses Best-First Tree Search for automatic theorem proving, challenging the need for complex tree search methods.

22 shares92 citations todaySource ↗

07

Rankify: Python Toolkit for Retrieval and Generation

Python Toolkit for Retrieval and Generation: Rankify is an open-source toolkit designed to unify retrieval, re-ranking, and retrieval-augmented generation, improving consistency and scalability in information retrieval research.

21 shares11 citations todaySource ↗

09

NNetNav: Unsupervised Learning of Browser Agents

Unsupervised Learning of Browser Agents: NNetNav is a method for unsupervised interaction with websites, generating synthetic demonstrations for training browser agents and making the search more tractable.

14 shares57 citations todaySource ↗

10

Dress-1-to-3: Simulation-Ready 3D Outfit Generation

Simulation-Ready 3D Outfit Generation: Dress-1-to-3 is a pipeline that reconstructs physics-plausible, simulation-ready garments and humans from an image, improving the geometric alignment of the reconstructed 3D garments and humans.

12 shares28 citations todaySource ↗

Papers with code

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

5 items

Trending2

Rising3

02

Efficient Reasoning for Large Language Models

The article emphasizes the recent progress in Large Language Models (LLMs) that have enhanced their complex reasoning abilities, with the related code shared on GitHub.

44 shares

03

Efficient Inference for Large Reasoning Models

The article details how Large Reasoning Models (LRMs) boost the reasoning capacity of Large Language Models (LLMs), demonstrating promising outcomes in complex tasks, with the associated code on GitHub.

33 shares

GitHub

Repositories the letter featured.

10 items

Finance5

01

PyTorch Finance

The article explores the application of the PyTorch library in quantitative finance.

157 shares

02

Causal Discovery Bayesian

The piece introduces a Python package for causal discovery through Bayesian networks.

509 shares

03

TensorTradeNG Algorithms

TensorTradeNG is an article about an open-source Python framework for developing trading algorithms using reinforcement learning.

136 shares

04

FastAPI MCP

The article presents a tool that automatically converts FastAPI endpoints into Model Context Protocol (MCP) tools.

504 shares

05

Label Unbalance Trading

The report discusses the problem of label imbalance in high-frequency trading.

16 shares

Trending5

01

Deliver Web Apps 🚀

The article offers guidance on effectively launching web applications with confidence.

97,431 shares

02

WhatsApp Server

The piece explores the workings of the WhatsApp MCP server.

2,862 shares

03

Python Programs Profiler

The article details the application of a sampling profiler in Python programming.

13,483 shares

04

AI Richtext Editor

The article presents an AI-powered rich text editor.

13,392 shares

05

NCA Toolkit API

The piece explains how the NCA Toolkit API simplifies API functionalities, reduces costs, and assists in media processing and Python code execution.

589 shares

News

Industry news: funds, hiring, markets and regulation.

20 items

Quantitative10

01

Alpha in Emerging Markets

Sandglass Capital founders, Genna Lozovsky and Michelle Kelner, saw a significant opportunity in distressed credit within emerging markets in 2013.

8 shares

02

Tariff-Driven Selloff Hits Hedge Funds

Global hedge funds monitored by Morgan Stanley experienced significant losses due to escalating US-China trade tensions, leading to reduced risk and net leverage.

5 shares

03

Hedge Funds Target Asia Power

Hedge funds like Citadel, Balayasny, and Qube are recruiting Asian power market traders due to increased volatility and opportunities in deregulated electricity systems in Japan and Australia.

5 shares

04

Activist Saba Exits UK Trust

Saba Capital, led by Boaz Weinstein, has completely sold its stake in Keystone Positive Change, marking its exit from its activist campaign targeting the Baillie Gifford-managed UK investment trust.

4 shares

05

Brevan Howard Fee Adjustment

Brevan Howard Asset Management is altering its fee structure to encourage longer capital commitments from investors, as the firm faces a challenging start to the year.

4 shares

07

Hedge Funds Fee Cuts Considered

Hedge funds are considering lowering their fees due to consistent underperformance and growing investor pressure, according to IG Prime.

4 shares

08

Fasanara Hires Winton Exec

Fasanara Capital has appointed Paolo Viale, previously Co-Head of Business Development for Europe at Winton Capital, as its new Head of Business Development Quant.

4 shares

10

Trump Tariffs Impact Hedge Fund Trade

US hedge funds are rapidly changing a common bet in US rates markets due to increasing tariff tensions and a liquidity crunch among US banks, says Bloomberg.

3 shares

Miscellaneous10

01

Hedge Funds Drive Selloff

US government bonds experienced a significant drop due to aggressive sell-offs by hedge funds and investors, marking a steep decline since the Covid19 crisis.

3 shares

02

Broad Reach Warns of Pain

Bradley Wickens, founder of Broad Reach Investment Management, predicts that the current market downturn is not yet over.

3 shares

03

Vulpes Launches AI Fund

Vulpes Investment Management has launched a new AI/ML-powered tail risk strategy fund in partnership with Noviscient’s technology platform, FundBox.

2 shares

04

AC Founders Fight Summons

Zhu Su and Kyle Davies, founders of the failed crypto hedge fund Three Arrows Capital, are attempting to dismiss court summonses issued by the fund’s liquidators.

2 shares

05

High-Frequency Trading Firms Dying

The article discusses a potential shift in high-frequency trading (HFT) towards a new form, possibly referred to as MHFT.

1 shares

07

Crypto Rebounds Post Tariff Plunge

The article details the rebound of cryptocurrencies following a significant decline due to US tariffs and global market instability.

0 shares

08

XTX Markets Pay Increase

The article emphasizes the potential for significant financial returns from even small investments at XTX.

0 shares

09

Elliott Escalates Battle with Phillips 66

The article discusses Elliott Management's intensified efforts to effect changes at Phillips 66, including nominating four directors to the board.

0 shares

10

DTCC Reveals Tokenised Platform

The article announces the Depository Trust & Clearing Corporation's launch of a new digital collateral management platform, to be showcased at a live event on April 23.

0 shares

Podcasts

Episodes on markets, quant methods and economics.

10 items

Quantitative5

01

BuySide CRO Trends

Peter Mortensen of Russell Investments discusses risk management challenges and opportunities in the face of global uncertainty, including AI threats, inflation volatility, and liquidity risk.

18 shares

02

UBS’ Mark Haefele Investing Rules

Mark Haefele of UBS Global Wealth Management talks about the influence of government spending on investment decisions, the significance of asset allocation, and the difficulties in transferring wealth across generations.

15 shares

03

Advisors Option: April Strategies

April Strategies: The Advisors Option podcast explores the effects of market volatility and the trade war on options trading volume, highlighting strategies like put calendars for portfolio hedging.

12 shares

04

Covered Call Income Strategies

Cullen Capital's DIVP strategy offers a selective approach to covered call strategies, aiming to balance yield and growth by writing options on some portfolio holdings and investing in high-quality value stocks.

11 shares

05

Takahe TrendFollowing in Futures

The ReSolve Riffs podcast hosts guests from Takahē Capital discussing systematic trading in managed futures, including commodity markets, trend following, risk management, and portfolio construction.

9 shares

Related5

01

Trading Strategies with David Dziekanski

Quantify Funds has introduced four new ETFs that offer full exposure to two paired stocks in a single fund, offering a new strategy for thematic investing in unstable markets.

9 shares

02

Commodities Recession Update

Tracey Allen discusses the effects of Liberation Day tariffs on agricultural markets in a podcast recorded on 4 April 2025.

8 shares

03

AI Models on Affordable Devices

A podcast discusses making AI accessible to all by running large AI models on affordable, low-spec devices, thus democratizing AI.

8 shares

04

Carry Analysis: Small vs Large

Small vs Large: Adam Butler, CIO of ReSolve Asset Management Global, compares two implementations of a carry strategy across various asset classes in his latest research.

5 shares

05

European Rates and Tariff Update

Francis Diamond, Aditya Chordia, and Khagendra Gupta discuss the European rates markets' response to the recent tariff announcement in a podcast recorded on 04 April 2025.

5 shares

X / Twitter

Posts from quant researchers on X.

6 items

Quantitative3

01

Trendfollowing Managed Futures

Managed futures that follow trends have traditionally yielded good returns during prolonged equity market slumps.

2 shares

03

Currency Anomalies Returns

A recent study indicates that currency anomaly returns drop by approximately 66% post-publication, but FX carry stays consistent, suggesting risk premiums over mispricing.

1 shares

Miscellaneous3

01

Investing Research Roundup

The recent investment research roundup discusses commodity signals, earnings and price momentum, sector allocation with LLMs, and the impact of macro news.

0 shares

02

Crypto Trend

A research paper on SSRN presents a tactical approach for Bitcoin and Altcoins, indicating increased interest in the $3 trillion cryptocurrency market.

0 shares

03

USD Appreciation and Politics

A study shows that the USD value increases during Democratic administrations and decreases under Republican ones, influenced by their respective tariff policies.

0 shares

Reddit

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

6 items

Quantitative5

Rising1

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