ML-QuantSubscribe

Quant LetterNo. 82

January 2025, Week 3

76 items across 8 sections, as sent to readers on 15 January 2025. Paper titles open their ML-Quant page; ↗ goes to the source.

arXiv

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

15 items

Finance4

01

Algorithmic Trading Shift

A new framework for creating automated trading algorithms, which considers real-world complexity and uses an event-based time concept, has been introduced.

14 sharesSource ↗

02

HJM and Lifted Heston Model

A multiplicative multi-factor model is suggested to align historical correlations of futures contracts with implied volatility smiles in energy markets.

7 sharesSource ↗

03

VIX Options Pricing

The same multiplicative multi-factor model is reiterated, highlighting its successful application to German power and TTF gas markets.

7 sharesSource ↗

04

Liquidity Provisioning Strategies

The pricing of VIX options in the SABR model is examined, revealing infinite VIX futures and call prices, and suggesting a capped volatility process as a solution.

6 shares2 citations todaySource ↗

Economics4

01

Economics Causal Analysis

Research shows a rise in the use of causal claims in over 44,000 economic papers from 1980-2023, with complex causal narratives more likely to be published in top journals and receive more citations.

16 shares10 citations todaySource ↗

02

Russian Financial Database

The Russian Financial Statements Database (RFSD) is an open-source collection of annual financial statements from all active Russian firms from 2011-2023, offering data improvements and various economic applications.

11 shares5 citations todaySource ↗

03

Anonymous Attention Study

A study of the Economics Job Market Rumors (EJMR) online forum highlights its evolving relationship with external information sources like Twitter, and raises concerns about inclusivity and professional ethics in economics.

11 sharesSource ↗

04

LLMs and SCAs in Econ Experiments

A novel method has been introduced by researchers that uses Large Language Models to simulate economic behavior across different cultures, providing a new tool for economic and behavioral research.

9 shares6 citations todaySource ↗

Crypto & Blockchain4

01

Causal Relationships on Ethereum

Bitcoin's value increases with Tether minting events, particularly when publicized and amid positive investor sentiment, but this effect lessens after an hour.

163 shares21 citations todaySource ↗

Historical Trending3

01

Congressional Partisanship

The study uses an advanced language model to confirm the rise in partisanship in U.S. congressional speech since the 1990s, also revealing changes in topic content and partisan phrases.

37 shares5 citations todaySource ↗

02

Economics PhD Influence

The research finds that economics PhD students guided by research-active advisors publish more, but suggests these advisors attract already successful students rather than enhancing their success.

34 shares5 citations todaySource ↗

03

Reinforcement Learning for Language Models

The paper introduces a new method for training large language models using reinforcement learning feedback, which makes models more beneficial and less harmful by adjusting sensitivity to reward values.

17 shares2 citations todaySource ↗

SSRN

Working papers in finance and economics from SSRN.

14 items

Quantitative5

01

Credit Risk Modeling

The article discusses the use of normalizing flows and invertible neural networks in credit risk modeling to enhance default time estimation and portfolio risk assessment.

28 sharesSource ↗

02

Volatility Forecast Combination

The authors introduce a forecast combination scheme with fluctuating weights based on financial decisions, showing better economic performance than existing methods.

12 sharesSource ↗

04

Enhancing Inflation Forecasts

A thick modeling approach combining time and frequency-domain models enhances inflation forecasts, particularly during periods of high inflation volatility.

10 sharesSource ↗

05

Predicting College Closures

Predictive models of financial distress in colleges can be developed using a comprehensive dataset on college characteristics, with missing data identified as a key issue.

4 sharesSource ↗

Financial9

01

Advancing Towards Net-Zero Economy

Climate-related bonds issued by governments and international organizations are vital for a net-zero economy, offering investors protection against long-term climate risks and demonstrating government dedication to climate action.

8 shares3 citations todaySource ↗

02

Inflation's Impact on Risky Asset Prices

A study using inflation swap prices shows that inflation sensitivity changes over time, with good inflation decreasing corporate credit spreads and increasing equity values, while bad inflation can have the reverse impact.

7 sharesSource ↗

05

Equity Risk Premium

The article suggests a new method for predicting the equity risk premium using a deep learning combination forecast, which aggregates firm-level return predictions.

15 sharesSource ↗

06

Limited Risk Transfer

The article defines and estimates risk transfer using data on U.S. investors' portfolio holdings, flows, and returns, and develops a model that explains the observed risk transfer.

5 sharesSource ↗

07

Index Rebalancing

The article reveals that index funds suffer adverse selection costs from changes in the stock market composition, and that an annual rebalancing strategy improves fund returns.

3 sharesSource ↗

08

Climate Betas

The article shows the sensitivity of asset returns to climate risk proxies, and suggests that adding new asset classes to a basic equity-bond portfolio improves diversification during climate stress but increases tracking error.

2 sharesSource ↗

RePEc

Economics working papers from RePEc's NEP field reports.

10 items

Finance3

01

Insider Trading Model

The proposed insider trading model suggests that a higher correlation coefficient leads to more informative equilibrium prices, reducing trading intensity and the insider's expected payoff.

15 sharesSource ↗

02

Group Mean-Differences

The research proposes a compensation-factor to estimate the additional observed variables needed to recover the determinacy coefficient size after eliminating a group mean-difference, impacting the validity of the factor score predictor.

4 sharesSource ↗

03

Robust Haberman Linking

The comparison between robust Haberman linking and invariance alignment for factor models shows that Haberman linking performs better when item intercepts are used, with varying results depending on the loss function chosen.

2 sharesSource ↗

Statistical3

01

Impurity Functions in Trees

The research disproves the similarity between impurity and concave functions in decision trees, suggesting a combination of Gini Index and Entropy may be more effective.

5 sharesSource ↗

02

ECB Press Conference Sentiment

The research uses FinBERT to analyze sentiment in ECB president's introductory statements, finding that the sentiment about monetary policy significantly affects subsequent press conference content.

3 sharesSource ↗

Machine Learning1

01

Polarized Online Discourse

The study uses social network analysis to examine the traits of 'deniers' and 'believers' in controversial topics on social media. It found that 'deniers' show more consistency, which can aid in controlling information spread and identifying false information.

4 sharesSource ↗

Historical Trending3

03

Finance Research Trends from Machine Learning

The paper employs machine learning models to identify trends in finance research topics from 1976 to 2015, revealing growth and shrinkage in topics and a consistent pattern in topic coverage among researchers.

14 sharesSource ↗

Machine learning

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

9 items

Recently Published6

02

Decentralized Diffusion

The paper suggests Decentralized Diffusion Models, a framework for distributing AI model training across separate clusters, reducing costs and increasing resilience to GPU failures.

80 shares14 citations todaySource ↗

03

The GAN is dead; long live the GAN!

The study introduces R3GAN, a simplified GAN baseline that outperforms StyleGAN2 on various datasets and competes well against other state-of-the-art GANs and diffusion models.

67 shares110 citations todaySource ↗

04

GenMol: Drug Discovery Generalist

Drug Discovery Generalist: The paper presents GenMol, a molecular generative model that surpasses previous models in new generation and fragment-constrained generation, offering a unified approach for drug discovery tasks.

47 shares58 citations todaySource ↗

05

Neuro-Symbolic AI Review 2024

Neuro-Symbolic AI has grown since 2020, focusing on learning and inference, but still lacks in areas like explainability, trustworthiness, and Meta-Cognition.

40 shares91 citations todaySource ↗

06

RoboPanoptes: The All-seeing Robot

The All-seeing Robot: RoboPanoptes, a robot system, learns complex manipulation skills from human demonstrations using a visuomotor policy, enabling it to perform tasks like unboxing in narrow spaces and sweeping oversized objects.

16 shares22 citations todaySource ↗

Historical Trending3

01

Adjoint Matching

The study presents Adjoint Matching, a new algorithm that enhances dynamical generative models by refining reward fine-tuning, leading to improved consistency, realism, and adaptability to unseen human preference reward models.

222 shares227 citations todaySource ↗

02

Grokking Softmax Collapse

The study investigates 'grokking' in deep learning, introduces Softmax Collapse and naïve loss minimization concepts, and suggests a new activation function and training algorithm for grokking without regularization.

50 shares41 citations todaySource ↗

03

Unity in VAEs

A new mixture-of-experts prior for Variational Autoencoders for multimodal data has been proposed, replacing hard constraints with a soft one, leading to better latent representation and improved imputation of missing data modalities.

41 shares20 citations todaySource ↗

GitHub

Repositories the letter featured.

9 items

Finance5

01

Skimpy: Data Frame Summary Tool

Data Frame Summary Tool: Skimpy is a tool that provides summary statistics for data frame variables in the console.

422 shares

02

Dendrite SDK: AI Agent Builder

AI Agent Builder: The article explores tools for developing web AI agents capable of interacting with and extracting data from websites.

219 shares

03

StockStats: DataFrame Wrapper

DataFrame Wrapper: The article introduces a StockDataFrame wrapper, based on pandas.DataFrame, that supports stock statistics indicators.

1,324 shares

04

Monaco: Model Uncertainty Library

Model Uncertainty Library: The piece presents a Monte Carlo library for quantifying uncertainties and sensitivities in computer models.

108 shares

Trending4

01

Arch Agent Gateway

Arch is a smart gateway developed by Envoy proxy's core contributors, designed for agents to securely and seamlessly integrate user prompts with external APIs.

1,240 shares

02

OpenAI: Structured Output Apps

Structured Output Apps: Developers are provided with sample applications to help them understand Structured Outputs.

369 shares

03

Resume Matcher: Resume Improvement

Resume Improvement: Resume Matcher is an open-source tool that uses AI to improve resumes by comparing and ranking them against job descriptions.

7,577 shares

04

LightningAI: Multi-GPU AI Pretraining

Multi-GPU AI Pretraining: AI models of any size can be pretrained and finetuned on multiple GPUs TPUs without any code modifications.

28,792 shares

News

Industry news: funds, hiring, markets and regulation.

6 items

Quantitative3

01

Data Quality Challenge for Quants

A Bloomberg Research Survey reveals that the primary challenge for Quants Research Analysts and Data Scientists is the timeliness and quality of data coverage.

6 shares

Miscellaneous3

03

Two Sigma Founders Arbitration

Two Sigma Investments' co-founders, John Overdeck and David Siegel, are in arbitration over a disagreement about the hedge fund's future.

2 shares

Podcasts

Episodes on markets, quant methods and economics.

6 items

Quantitative3

01

Machine Learning in Investing

Phil Wool of Reliant Global Advisors examines the influence of machine learning on strategic investing, US equities dynamics, and the tech sector's potential in emerging markets.

18 shares

02

Backtesting Insights

Matt Amberson from ORATS discusses the importance of backtesting in refining options trading strategies and forecasting future performance.

17 shares

03

Implied Volatility and Gamma

Mat Cashman from the Options Clearing House explains the inverse correlation between Gamma and Implied Volatility in options trading.

13 shares

Related3

01

Global Data Insights

In a 2025 podcast, Bruce Kasman and Joseph Lupton analyze the stability of growth, inflation, and central bank policies amid US policy uncertainties.

7 shares

02

Elite Network Dynamics

Vuk Vukovic explores the impact of political connections on income inequality and introduces his unique market research and trading approach using crowd wisdom and social media analysis.

7 shares

03

Political Investment Strategies

Hal Lambert discusses how political beliefs shape investment strategies and the potential effects of deregulation on various sectors, especially under a Trump administration.

7 shares

X / Twitter

Posts from quant researchers on X.

7 items

Quantitative3

01

Portfolio Protection Study

The article proposes a varied portfolio protection strategy that includes SPX rolling puts, Trend, Long Rates Vol, and Quality to control equity drawdowns.

4 shares

02

Investing Research Recap

The recent investment research discusses Bitcoin trading strategies, market betas estimation, LLMs biases, macro risks, and portfolio protection strategies.

2 shares

03

Short-Term Reversion Indicators Comparison

The most effective short-term mean-reversion indicators for global equities are those that include current price measures in the intraday or multi-day trading range.

1 shares

Miscellaneous4

01

ChatGPTs Cognitive Decline

The article debates the possible cognitive decline from using ChatGPTs, likening it to how calculators affected mental math abilities.

0 shares

02

Entropy Visual History

The article offers a detailed, non-mathematical visual explanation and history of the concept of entropy.

0 shares

03

Stock Signals from Insider Trades

The paper studies a vast global dataset of insider trades, creating a collective signal for each stock and discovering significant alphas in roughly 23% of countries.

0 shares

04

Industry Momentum Strategies Enhancement

The article investigates the improvement of industry momentum strategies with news sentiment and dispersion, noting substantial performance improvements particularly at more detailed industry levels.

0 shares

    Type to search. Try rough volatility, LLM agents or FinGPT.

    ↑↓ move↵ openesc closeFull search page