Your LLM Doesn’t Pick Stocks — It Remembers Them

TL;DR — Robo stock-picking is forecast to grow roughly 600% by 2029, and a ChatGPT-picked basket is genuinely beating the UK s most popular funds. But most AI beats the market backtests are contaminated by look-ahead bias that lives inside the model s weights, not in your dataset — and here is the paradox almost nobody has... The post Your LLM Doesn t Pick Stocks — It Remembers Them appeared first…