Matt Levine’s Money Stuff: Robots Will Write the Macro Forecasts

LLM forecasters

There are two basic ways to use artificial intelligence to predict stock prices:

1. You build a deep learning model to predict stock prices: You set up a deep neural net, you feed it tons of historical data about stocks, and you train it to figure out how that data predicts stock price returns. Then you run the model on current data, it predicts future returns, and you buy the stocks that it thinks will go up.
2. You take some deep learning model that someone else built, a large language model, one that is good at predicting text. ...