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DeepSeek AI Dominates Stock Trading in Tests
26 Jul
Summary
- DeepSeek AI has achieved a 73% portfolio return since 2023.
- The AI achieved 35% returns year-to-date.
- Other AIs like ChatGPT and Grok also showed impressive returns.

Since 2023, Dr. Alejandro Lopez Lira, an associate professor of finance at the University of Florida, has been evaluating AI chatbots' ability to achieve market-beating stock returns. After nearly three years of testing, DeepSeek has been identified as the leading AI trader, with its portfolio gaining 73% since its inception in 2023 and an impressive 35% year-to-date. Although ChatGPT has shown slightly higher returns since launch (78%), its year-to-date performance is 16%, trailing DeepSeek.
Grok's portfolio has returned 54% since inception and 19% year-to-date, while DeepSeek also outperforms Claude. Lopez Lira's AI-managed portfolios are publicly accessible on Autopilot, an app enabling retail traders to replicate successful investment moves. Autopilot co-founder Chris Josephs notes a rising interest in copying AI-run stock portfolios.
Lopez Lira explained that while AI models process information similarly, their investment decisions diverge about 50% of the time. Setting up these portfolios involves feeding the AI the latest firm news and fundamental data, with the AI making the final trading calls. Recent trades by DeepSeek on July 14 included increasing its Nvidia position and reducing Vista Energy holdings. Micron Technology is a top holding for both DeepSeek and Grok, while ChatGPT favors Kratos Defense & Security Solutions.