activity
20062026
most citedAssessing Look-Ahead Bias in Stock Return Predictions Generated By GPT Sentiment Analysis

13 citations · 19 across the 8 of their papers we have counts for

collaborators

10 papers

cs.AI2026

Do LLMs Understand Limit Order Book Dynamics?

Junxiao Chen, Paul Glasserman

A large language model (LLM) trained on synthetic limit order book (LOB) data achieves near perfect scores in generating valid sequences of LOB events. However, the LLM's implicit…

q-fin.PR2025

Differential ML with a Difference

Paul Glasserman, Siddharth Hemant Karmarkar

Differential ML (Huge and Savine 2020) is a technique for training neural networks to provide fast approximations to complex simulation-based models for derivatives pricing and ris…

cs.AI2025

Do Large Language Models (LLMs) Understand Chronology?

Pattaraphon Kenny Wongchamcharoen, Paul Glasserman

Large language models (LLMs) are increasingly used in finance and economics, where prompt-based attempts against look-ahead bias implicitly assume that models understand chronology…

q-fin.TR2025

Does Overnight News Explain Overnight Returns?

Paul Glasserman, Kriste Krstovski, Paul Laliberte +1

Over the past 30 years, nearly all the gains in the U.S. stock market have been earned overnight, while average intraday returns have been negative or flat. We find that a large pa…

q-fin.GN2023★ 13 cited

Assessing Look-Ahead Bias in Stock Return Predictions Generated By GPT Sentiment Analysis

Paul Glasserman, Caden Lin

Large language models (LLMs), including ChatGPT, can extract profitable trading signals from the sentiment in news text. However, backtesting such strategies poses a challenge beca…

q-fin.GN2023

New News is Bad News

Paul Glasserman, Harry Mamaysky, Jimmy Qin

An increase in the novelty of news predicts negative stock market returns and negative macroeconomic outcomes over the next year. We quantify news novelty - changes in the distribu…

stat.ML2022

Should Bank Stress Tests Be Fair?

Paul Glasserman, Mike Li

Regulatory stress tests have become one of the main tools for setting capital requirements at the largest U.S. banks. The Federal Reserve uses confidential models to evaluate bank-…

stat.ML2021

Linear Classifiers Under Infinite Imbalance

Paul Glasserman, Mike Li

We study the behavior of linear discriminant functions for binary classification in the infinite-imbalance limit, where the sample size of one class grows without bound while the s…

q-fin.ST2020

Choosing News Topics to Explain Stock Market Returns

Paul Glasserman, Kriste Krstovski, Paul Laliberte +1

We analyze methods for selecting topics in news articles to explain stock returns. We find, through empirical and theoretical results, that supervised Latent Dirichlet Allocation (…

math.HO2006★ 6 cited

A Conversation with Chris Heyde

Paul Glasserman, Steven Kou

Born in Sydney, Australia, on April 20, 1939, Chris Heyde shifted his interest from sport to mathematics thanks to inspiration from a schoolteacher. After earning an M.Sc. degree f…