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Quant LetterNo. 77

December 2024, Week 1

144 items across 10 sections, as sent to readers on 4 December 2024. Paper titles open their ML-Quant page; ↗ goes to the source.

arXiv

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

14 items

Finance3

01

Pricing and Hedging Framework

The article presents a novel approach to pricing and hedging derivatives in a seamless market, even without a local martingale measure, and introduces a new superhedging duality for American options.

3 sharesSource ↗

02

Portfolio Selection Equation

The article suggests a comprehensive framework for time-consistent portfolio selection, demonstrating the existence and uniqueness of a solution for the integral equation under certain conditions.

2 shares3 citations todaySource ↗

03

Self-Protection and Insurance

The article investigates the relationship between self-protection and insurance demand, indicating that while they usually complement each other, moral hazard can turn this into a substitution effect.

2 shares3 citations todaySource ↗

Miscellaneous2

01

Wasserstein Markets

The paper suggests a new method for valuing private data, improving current data market systems and providing ways to acquire both general and specific data.

3 shares1 citation todaySource ↗

02

Risk Models with Tree Structures

The study presents risk models for a portfolio of interconnected risks, utilizing tree-based Markov random fields with Poisson distributions, and offers techniques for evaluating and distributing the portfolio's overall risk.

2 sharesSource ↗

Crypto & Blockchain1

01

Optimal Liquidations in DeFi

The article presents a solution to the liquidation issue in decentralized finance (DeFi) by framing it as an ergodic optimal control problem. It offers optimal liquidation strategies and validates their efficiency through numerical simulations.

3 sharesSource ↗

Historical Trending8

01

ReLU Spanning Solution

The article suggests a novel solution to the multi-asset payoff spanning issue using one-hidden-layer feedforward neural networks, improving hedging results with vanilla basket options.

17 shares4 citations todaySource ↗

02

Robust Portfolio Insights

The study argues that the equally weighted portfolio is inferior to the mean-variance portfolio, extending the result of an alpha-weight angle from unconstrained quadratic portfolio optimisations having an upper bound dependent on the covariance matrix's condition number.

16 sharesSource ↗

03

Automated ML for Supply Chain Security

The paper introduces an automated machine learning framework to improve supply chain security by detecting fraud, predicting maintenance needs, and forecasting material backorders, thereby increasing accuracy rates and operational efficiency.

8 shares11 citations todaySource ↗

04

Stock Recommendations for Investors

The study introduces a new model, PfoTGNRec, for stock recommendation systems that balances customer preferences with suggesting high ROI portfolios, showing superior performance on real-world individual trading data.

7 shares10 citations todaySource ↗

05

ESG Impact on Corporate Climate Investments

InvestESG is a new benchmark using advanced learning to study the effects of ESG disclosure mandates on corporate climate investments, indicating that ESG-aware investors can boost corporate cooperation and mitigate climate risks.

6 shares3 citations todaySource ↗

07

Solving Matching Models with Linear Utility

A system of fixed-point equations for equilibrium transfers in matching models with linear transferable utility has been developed, demonstrating that fixed-point iterations will converge to a unique distribution of equilibrium transfers when substitution between alternatives is limited.

4 sharesSource ↗

08

Stock Movement Prediction with Multimodal Fusion

A new architecture, MSGCA, has been introduced to integrate multimodal input for stock movement prediction, surpassing existing methods by up to 31.6% on four multimodal datasets due to its improved fusion stability.

3 shares26 citations todaySource ↗

SSRN

Working papers in finance and economics from SSRN.

22 items

Quantitative11

01

Entrepreneurial Narratives in Small Firm Internationalisation

The article investigates how Lebanese entrepreneurs utilize storytelling and cultural capital to aid the growth and global expansion of their small businesses, especially in tackling the difficulties of initial internationalization, as demonstrated through eight case studies.

3 sharesSource ↗

03

Machine Learning in Business Research

The study reveals a lack of transparency in predictive machine learning studies in top business and economic journals, leading to fewer citations due to inadequate benchmarking against traditional statistical models.

15 sharesSource ↗

04

Forecasting S&P 500 Volatility

The research suggests that simple forecasts can effectively stabilize volatility in the SP 500 and Treasury bills, proving viable even with realistic trading costs and constraints.

6 sharesSource ↗

05

SHODH SAGAR ® Research Reports

The article discusses the potential of Big Data analytics in improving risk management in IT service delivery through real-time risk identification, assessment, and mitigation.

2 sharesSource ↗

06

DataDriven Inventory Management

The study proposes a semi-parametric data-driven decision-making framework for inventory and financial hedging of new products, using proxy return factors to infer derivatives returns and demand-return relationships.

4 sharesSource ↗

11

Predicting M&A Outcomes with Machine Learning

The article investigates the effectiveness of machine learning algorithms in predicting the success of merger and acquisition deals, finding that nonlinear models predict post-deal returns well, but not post-acquisition earnings.

3 sharesSource ↗

Financial11

01

Equilibrium Pricing and Return Predictability

The article explains how the relationship between assets can predict returns through equilibrium pricing effects. It also discusses how the returns of certain assets can forecast the returns of investment assets, without requiring additional information or adjustments.

2 sharesSource ↗

02

Beta Replication Challenges

The article discusses the challenges of trendfollowing investment strategies, suggesting replication of a broad index of such funds as a solution, but warns of regression-based replication risks.

205 sharesSource ↗

03

Machine Learning in Portfolios

The study reviews the use of machine learning in portfolio management, discussing its limitations, future prospects, and applications in various trading strategies and portfolio optimization.

8 sharesSource ↗

04

Optimal Hedge Fund Allocation

The research justifies significant allocations to hedge funds due to their diversification benefits, but cautions that optimal allocations are highly dependent on alpha assumptions.

7 sharesSource ↗

05

Regulation of CDO Exposures

The paper highlights the role of collateralized debt obligations with asset-backed securities in the distress of large commercial banks during the 2007-2009 crisis, due to the Recourse Rule.

62 sharesSource ↗

06

Design Choices in Return Prediction

The study shows that design choices in machine learning models for predicting stock returns can greatly affect their performance, with nonstandard error exceeding standard error by 59%, and provides model design recommendations.

12 shares5 citations todaySource ↗

07

Bank Securities Portfolio Management

A study reveals that US banks increased their interest rate risk in 2022-23 due to rapid rate changes and reluctance to sell bonds at a discount, especially those with unrealized losses.

6 sharesSource ↗

08

LLM Financial Time Series Forecasting

A comparison study of Large Language Models (LLMs) for time series forecasting found TimeGPT effective in stable environments, while KAN and PatchTST performed well in complex data scenarios.

21 sharesSource ↗

09

Sustainable Fund Flows

An analysis of over 23,000 equity mutual funds and ETFs found that sustainability statements in fund prospectuses, not external ratings, primarily drive retail and institutional fund flows.

22 sharesSource ↗

10

Index Investing Effects

A study-developed dynamic model of index investing shows that sentiment from index investors affects all other index stocks, leading to higher, more volatile prices, stronger negative price autocorrelation, and increased trading volume.

4 sharesSource ↗

11

Private Video Game Equity

Private video game companies receiving private equity investment generally outperform public markets and other private equity deals, making them attractive investment opportunities, according to an analysis by StepStone.

2 sharesSource ↗

RePEc

Economics working papers from RePEc's NEP field reports.

23 items

Finance6

01

Enhanced S&P 500 Trading Algorithm

A new low-frequency trading model, using volume data and price indicators, has achieved over 90% success rate and 15.1% annual return, surpassing previous models.

19 sharesSource ↗

02

Asset Pricing in Borsa Istanbul

A study on the Turkish Stock Exchange from 2009-2020 found that the Capital Asset Pricing Model (CAPM) better predicts average excess weekly returns than the Fama-French models.

14 sharesSource ↗

03

Real Estate Stocks Resilience

A comparison study found that the Fama-French seven-factor model is more effective than the five-factor model in predicting returns on Indonesian property and real estate stocks, which can also hedge against inflation and interest rates.

14 sharesSource ↗

05

Mutual Fund Performance in Portugal

The research analyzes the performance of Portuguese mutual funds investing in local and global equities from 2005-2022, revealing that fund age and expense ratios significantly affect performance.

13 sharesSource ↗

06

Capital Flows in Emerging Economies

The article explores the correlation in gross capital inflows and outflows in emerging and developing economies, discovering that a common global factor largely influences capital flow variations, but domestic factors can also impact sensitivity to global factors.

13 sharesSource ↗

Statistical3

01

DLWRLSTM Stock Index Forecasting

The DLWR-LSTM model has been created to enhance the precision of stock index predictions in the Shanghai Stock Exchange, achieving a prediction error rate of about 1%.

15 sharesSource ↗

02

Real Estate Return and Risk Forecasting

A forecasting model for real estate stock returns and risks shows that German real estate stocks are more affected by economic and stock market changes than the real estate market, and carry less risk than regular stocks.

13 sharesSource ↗

03

Cross-Sectional Anomalies and Arbitrage

An extended analysis of Kaplanski's work reveals that arbitrage activity after identifying cross-sectional anomalies alters returns, indicating long-term profitability for arbitrageurs and suggesting mispricing due to investor behavior biases.

12 sharesSource ↗

Machine Learning10

02

Forecasting Volatility in Crypto-Winter

The research expands the use of a volatility prediction framework using LSTM and rough volatility, demonstrating its superiority over traditional models in predicting cryptocurrency volatility.

27 sharesSource ↗

05

Investor Risk Perception using Machine Learning

The research applies an unsupervised machine learning algorithm to extract risk factors from corporate disclosures, revealing that most risk factors decrease return volatility, offering valuable financial market insights.

19 sharesSource ↗

06

Asset Pricing with ML

A new economic uncertainty index, created using machine learning, can effectively predict stock market returns, especially during times of high uncertainty.

18 sharesSource ↗

07

China Business Cycle Forecast

Logistic Regression was found to be the most reliable machine learning model for predicting China's business cycle using 62 economic and financial indicators.

18 sharesSource ↗

08

US Bank Holding Stress Testing

Machine learning, combined with economic data, can improve risk analysis during stress tests, especially in simulating equity capital ratio distributions for major banks.

17 sharesSource ↗

09

Regional Banknote Forecast

Machine learning can enhance cash demand forecasting and inventory performance, as shown in a study involving six branches of Deutsche Bundesbank.

13 sharesSource ↗

10

Turkey Financial Dollarization

Machine learning has been used to study the effect of dollarization on Turkey's monetary policy, showing a slight impact on economic growth and a possible positive link with financial deepening.

13 sharesSource ↗

Deep Learning1

01

Deep Learning for Index Tracking

The article suggests using a one-dimensional Pointwise Convolutional Autoencoder and Shapley Additive Explanations feature for index tracking. This method outperforms other stock selection strategies in different financial markets.

17 sharesSource ↗

Historical Trending3

01

Model Comparison

The study finds logistic regression more efficient than decision tree models in identifying defaulted loans in Central Credit Information System data.

4 sharesSource ↗

02

Data and Creativity

The research suggests that the future of marketing lies in the successful integration of data and creativity, driven by artificial intelligence.

2 sharesSource ↗

03

AI Impact on Society

The paper focuses on the influence of AI, particularly the chatbot ChatGPT, on education and the job market, based on a survey of Romanian corporate employees.

0 sharesSource ↗

Machine learning

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

20 items

Recently Published10

01

AlphaTablets: 3D Reconstruction from Videos

3D Reconstruction from Videos: AlphaTablets is a new 3D plane representation that merges the advantages of 2D and 3D models, providing accurate 3D plane modeling and superior performance in 3D planar reconstruction.

26 shares7 citations todaySource ↗

02

Critical Tokens: Enhancing Reasoning

Enhancing Reasoning: The cDPO method identifies and rewards 'critical tokens' that cause incorrect reasoning in Large Language Models, showing effectiveness in two popular models.

9 shares89 citations todaySource ↗

03

Inference after Prediction

The Chen and Chen estimator balances robustness and statistical efficiency in machine learning models, making it the top choice for prediction-based inference.

8 shares9 citations todaySource ↗

04

C}$-NeRF: Modeling Scenes

Modeling Scenes: The C^3-NeRF framework can incorporate multiple 3D scenes into a single neural radiance field, showing the ability to adapt to new scenes without needing old data or extra parameters.

8 sharesSource ↗

05

LUMIA: Membership Inference Attacks

Membership Inference Attacks: LUMIA, a new method, uses Linear Probes to detect Membership Inference Attacks in Large Language Models, showing significant improvements over previous methods and providing insights into where attacks are most detectable.

6 shares11 citations todaySource ↗

06

Video-LLMs with T2Vid

The T2Vid method, developed by researchers, uses pre-trained image-LLMs to enhance video understanding, performing as well or better than full video datasets with only 15% of the sample size.

6 sharesSource ↗

08

Deterministic L-system Algorithms

A method for deducing deterministic context-free L-systems from a string sequence has been introduced, providing both a classical exact algorithm and an approximate quantum algorithm.

5 sharesSource ↗

09

Adaptive Deep Neural Networks for Power Flow Analysis

The study presents PINN4PF, a deep learning structure for power flow analysis that effectively captures the nonlinear dynamics of large-scale modern power systems, surpassing both linear regression models and black-box NN.

4 shares6 citations todaySource ↗

10

Domain-Specific Post-Training for MLLMs

The paper explores domain adaptation of multimodal large language models through post-training, focusing on data synthesis, training pipelines, and task evaluation, resulting in improved domain-specific performance.

4 shares14 citations todaySource ↗

Historical Trending10

01

OminiControl: Image Conditioning

Image Conditioning: The article introduces OminiControl, a new framework that enhances pre-trained Diffusion Transformer models by integrating image conditions, resulting in improved conditional generation.

264 shares370 citations todaySource ↗

02

XGrammar: Structured Generation

Structured Generation: The authors present XGrammar, a new engine for large language models that significantly speeds up context-free grammar execution, outperforming existing solutions by up to 100 times.

146 shares91 citations todaySource ↗

03

Inference Scaling with Imperfect Verifiers

The study suggests that the accuracy of weaker language models cannot be indefinitely improved through inference scaling due to an unavoidable probability of false positives.

142 shares45 citations todaySource ↗

04

Hyper-Parameter Selection in RL

The paper explores the reliability of hyper-parameter selection in value-based deep reinforcement learning agents, introducing a new score to measure the consistency and reliability of different hyper-parameters.

83 shares23 citations todaySource ↗

05

Single-Phase Hebbian Learning

The authors lay the groundwork for the dual propagation method, a local learning algorithm for artificial neurons, and highlight its stability in relation to a specific adjoint state method, regardless of asymmetric nudging.

67 shares3 citations todaySource ↗

10

MultiFoley: Video-Guided Sound Generation

Video-Guided Sound Generation: MultiFoley, a new model for video-guided sound generation, allows users to create a variety of sound effects for videos using text, audio, and video inputs.

26 shares62 citations todaySource ↗

Papers with code

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

9 items

Trending4

01

Portrait Relighting

The article presents a new method for relighting human portraits using a physics-guided architecture and pretraining framework.

6,066 shares

02

Efficient Inference

The article highlights the issues of cost and slow speed when using Transformer-based Large Language Models on long sequences due to the self-attention mechanism's complexity.

167 shares

03

Proactive Agents

The article describes the use of labeled data to train a reward model that mimics human judgment and assesses the proactiveness of Large Language Model agents.

135 shares

04

Deep RL Success

The article introduces streamx algorithms, a new type of deep RL algorithms that surpass the stream barrier for both prediction and control, equalling the sample efficiency of batch RL.

133 shares

Rising5

01

DeMo Decoupled Momentum Optimization

The article discusses the process of training large neural networks, which involves sharing gradients between accelerators using high-speed interconnects.

98 shares

02

MossFormer: Monaural Speech Separation

Monaural Speech Separation: The piece introduces MossFormer, a system that uses a combined local and global self-attention architecture to handle indirect elemental interactions in a dual-path structure.

73 shares

03

AutoRAG: Autonomous RetrievalAugmented Generation

Autonomous RetrievalAugmented Generation: The article explains iterative retrieval, a method where a model repeatedly queries a retriever to enhance the relevance of retrieved knowledge, thus improving Retrieval-Augmented Generation performance.

65 shares

04

ChatRex: Multimodal LLM for Perception and Understanding

Multimodal LLM for Perception and Understanding: The piece discusses the creation of a fully automated data engine used to construct the Rexverse2M dataset, which offers multiple granularities for joint training of perception and understanding.

54 shares

GitHub

Repositories the letter featured.

10 items

Finance5

01

Algorithmic Trading

The article offers an updated compilation of resources for algorithmic trading, including open-source tools, books, and learning materials.

187 shares

02

Neural Networks

The article provides a tutorial on building and training Neural Networks using Mojo.

211 shares

03

AI Investment Papers

The article showcases research papers focusing on AI and quantitative investment.

85 shares

04

Time Series Forecasting

The article details a new method for time series forecasting using PyTorch, as presented at NeurIPS 2024.

59 shares

05

Hedge Fund Team

The article profiles a team developing an AI-powered hedge fund.

255 shares

Trending5

01

Context Protocol Servers

Model Context Protocol Servers outlines the structure and operation of protocol servers within a model context.

1,791 shares

02

Collection Utils for Go

Generic collection utils for Go discusses a set of utility tools designed for the Go programming language.

66 shares

03

KeepHQKeep Platform

The opensource alert management and AIOps platform examines an open-source platform for alert management and AI operations.

6,263 shares

04

Model Alignment Course

A course on aligning smol models presents a course on the alignment of small-scale models.

838 shares

05

Pyca Cryptography Package

Cryptography is a package designed to expose cryptographic primitives and recipes to Python developers describes a cryptography package for Python developers offering basic cryptographic functions.

6,701 shares

News

Industry news: funds, hiring, markets and regulation.

20 items

Quantitative10

04

Human touch broadens strategies for Quant hedge funds

Quantitative hedge funds such as Qube Research, Squarepoint Capital, and Engineers Gate are increasingly incorporating human traders into their computer-driven strategies, Business Insider reports.

5 shares

05

m crypto fund by Two Sigma veterans

Metalayer, a company established by Two Sigma Ventures veterans, has filed with the SEC to initiate a $25m cryptocurrency investment fund, according to Fortune.

4 shares

06

Record Hedge Fund Assets

Wells Fargo reports that hedge fund assets reached a record $4.5tn in October, driven by a strong performance and a 7.4 YTD return in the HFRI Fund Weighted Composite Index.

4 shares

07

Digital Assets Inflows Record

CoinShares' report shows that digital asset investment products received inflows of $270m last week, bringing the total for the year to a record $37.3bn.

3 shares

08

Pantera Capital's Bitcoin Success

CoinDesk research reveals that Pantera Capital Management's Bitcoin Fund has seen a 1000-fold return on its original investments since its 2013 inception.

3 shares

09

Crypto Fund Pythagoras Closing

Financial News reports that Pythagoras Investments is closing its flagship Absolute Return Fund to new capital early next year due to a surge in performance attracting significant investor interest.

3 shares

10

Hedge Funds Shorting Euro-Yen

Bloomberg and DTCC data indicate that hedge funds are increasingly shorting the euro against the yen due to speculation of a Bank of Japan interest rate hike and European political uncertainty.

3 shares

Miscellaneous10

01

Kaizen Capital founder at Millennium

Kaizen Capital Partners' founder, Ramesh Karthigesu, is shutting down his Asia-focused hedge fund to join Millennium Management.

3 shares

02

Millennium funds allocation

Millennium Management is allocating around $3.3bn to two new trading teams to broaden its talent pool.

3 shares

03

Navatar platform used by hedge funds

Navatar Group has introduced a new platform to assist traders in utilizing sell-side intelligence gathered from their dealings with bank and brokerage sales teams.

2 shares

10

MFA warns EU on NBFI regulation

The Managed Funds Association has recommended the European Commission not to impose a standard regulatory framework on non-bank financial intermediaries.

0 shares

Podcasts

Episodes on markets, quant methods and economics.

10 items

Quantitative5

01

Crafting a Balanced Investment Strategy

Alex Shahidi of Evoke Advisors talks about risk parity investing as a method to manage growth and inflation risks across different economic situations and asset types, questioning traditional investment approaches.

18 shares

02

Trading Challenges and Insights

Andrew O'Connell narrates his transition from a tennis enthusiast to a successful trader, emphasizing the need to control personal biases and maintain mental strength in trading.

14 shares

03

Rethinking Equity Exposure

Doug Peta from BCA Research explores the possible shift from economic growth to recession, the effects of Federal Reserve and Congress policies, and the need for caution during uncertain periods.

9 shares

04

Advisors Using 0DTE Options

The episode covers current market instability, the use of 0dte options by advisors, the introduction of the first daily options ETF, and the influence of earnings season volatility on the market.

8 shares

05

Short Selling Tactics

Laks Ganapathi from Unicus Research shares strategies for dealing with high-traffic stocks affected by Reddit and AI trends, the significance of management quality in investing, and the potential effects of political shifts on the economy.

7 shares

Related5

01

Quant Finance with Carol Alexander

Professor Carol Alexander shares her insights on quantitative finance, cryptocurrencies, and her work at the Exponential Science Foundation on the QuantSpeak podcast.

5 shares

02

Maths in Investment

The podcast delves into the role of mathematics in investment strategies, the irrationality of human investment behavior, and provides career advice for aspiring industry professionals.

5 shares

03

Trade Tariffs & Global Commodities

The podcast examines the effects of Trump-era trade tariffs on global markets, the significance of agricultural subsidies, and China's impact on global commodities.

5 shares

04

Strong Dollar Impact in Silicon Valley

The podcast explores the influence of a strong US dollar on tech giants like Microsoft and Apple, and the strategies of the US Treasury under Janet Yellen.

5 shares

05

Market Concentration

David Kostin and Owen Lamont from Goldman Sachs Research discuss the high concentration in the US equity market and address investor concerns on the podcast.

5 shares

X / Twitter

Posts from quant researchers on X.

10 items

Quantitative5

01

Short Interest Power

The article explores how short interest data can predict stock and market returns, offering valuable insights for investors.

3 shares

02

Quant Newsletter Highlights

The newsletter summarizes last week's research on quant investing, discussing topics such as US dollar drivers, equities, hedge fund returns, and forecasting errors.

2 shares

03

Commodity Prices vs. Exchange Rates

The article shows that commodity prices can forecast exchange rate returns for commodity-dependent currencies, particularly during times of high FX volatility.

2 shares

04

Multimodal TimeSeries Study

The study demonstrates that using plots can improve multimodal models' ability to interpret complex time-series data.

1 shares

05

Stock Reversals in Final 30 Minutes

The article indicates that stocks that drop during the day often rebound in the final 30 minutes of trading due to increased retail dip buying and less selling pressure from short sellers.

1 shares

Miscellaneous5

01

Weekly Investing Research Summary

The article provides a weekly roundup of the latest insights from academic research, blogs, and podcasts on investing and trading.

1 shares

02

Short-Term Reversal Revival

The article explores strategies to strengthen the short-term reversal effect in trading, including focusing on industry-relative returns and avoiding news.

1 shares

03

Quantitative Momentum

The article delves into the Quantitative Momentum Philosophy, a trading strategy developed by Wes Gray and Jack Vogel.

1 shares

04

Top Algorithmic Trading

The article suggests a top resource for understanding and implementing Algorithmic Trading.

0 shares

05

Flowmatching & Rectified Flow Models

The article examines the use of flow-matching and rectified flow models in generative AI applications, drawing parallels with the flow of water in a river.

0 shares

Reddit

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

6 items

Quantitative5

Rising1

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