We used GPT-5.5 and LLM-assisted synthetic benchmark matching to find the closest real-world match for the market’s most investable hypothetical stock. It picked Eaton
OpenAI's GPT-5.5 described an ideal low-beta AI infrastructure company, then matched it to a real public company. Eaton emerged as the closest fit: a high-quality electrical leader sitting at the center of the AI power bottleneck.