Welcome to my website! I am Dat Mai, a quantitative researcher at MKT MediaStats where I conduct research on return prediction, portfolio optimization, and asset allocation using media-based signals.


I earned a PhD in finance from the University of Missouri and I am a CFA charterholder


This website contains information on my research which focuses on asset pricing, investments, and artificial intelligence. The views expressed are solely my own.



Journal and Conference Publications


War Discourse and the Disaster Premium: 160 Years of Evidence from Stock Markets 

D Hirshleifer, D Mai, K Pukthuanthong

Review of Financial Studies (forthcoming)


Time-Varying Drivers of Stock Prices

D Mai

Financial Analysts Journal (forthcoming)


StockGPT: A GenAI Model for Stock Prediction and Trading 

D Mai

Chicago Quantitative Alliance (CQA) Fall Conference, 2024


Economic Narratives and Market Outcomes: A Semi-Supervised Topic Modeling Approach

D Mai, K Pukthuanthong

Northen Finance Association (NFA) Annual Conference, 2021


Stock Market Reaction to Dividend Announcements in Vietnamese Stock Market

D Mai, T Tran

International Journal of Economics and Finance, 2015, 7 (9), 50-58



Selected working papers


War Discourse and the Cross Section of Expected Stock Returns

D Hirshleifer, D Mai, K Pukthuanthong

Journal of Finance (resubmitted)


Investor Sentiment and Asset Returns: Actions Speak Louder Than Words

D Mai, K Pukthuanthong, G Zhou


AI Narrative and Stock Mispricing

A Bandyopadhyay, D Mai, K Pukthuanthong

--- Media coverage: Barron’s, Mizzou News Release, Alpha Architect