🚀 All Talk, No Stocks? What Reddit Sentiment *Doesn't* Predict
TL;DR for operators A new paper by Mateusz Kmak and colleagues asks a very practical question: can Reddit sentiment, especially when annotated with ChatGPT and fed into a fine-tuned Financial-RoBERTa model, predict meme-stock prices?1 The short answer is: not very well. Which is awkward, because the whole exercise starts from the obvious temptation that if Reddit can help move a stock, then Reddit sentiment should help forecast it. Markets, naturally, have declined to be that tidy. ...