With $100 and a dare to see what AI can do, a Reddit user turned ChatGPT into a micro-cap day trader and in its first month, the bot beat two small-cap benchmarks by a wide margin.
What Happened: Nathan Smith, who documents the project on Reddit and GitHub, fed OpenAI's GPT-4o daily portfolio data, enforced strict stop-loss rules, and limited picks to U.S. micro-caps under $300 million.
