social media

What Does ChatGPT Make of Historical Stock Returns? Extrapolation and Miscalibration in LLM Stock Return Forecasts

Revise and Resubmit at Management Science

Wisdom or Whims? Decoding the Language of Retail Trading with Social Media and AI

We investigate the trading strategies of retail investors by applying LLMs to analyze messages posted by users on StockTwits.

Do Smartphones Transform Information Transmission in Financial Markets? Evidence from StockTwits

Tweets posted via smartphones predict next-day returns and news, suggesting smartphones facilitate rapid access to information.