DeepSeek Beats GPT-4 in US Stock Trading—— HKU's AI-Trader Experiment Reveals True AI Investment Capabilities
University of Hong Kong's open-source AI-Trader project delivers shocking results—— DeepSeek achieved 9.68% returns in real US stock trading, outperforming GPT-5, Claude, Gemini and other top AI models. Five AIs received $10,000 each to autonomously trade NASDAQ 100 stocks for one month with zero human intervention. Deep dive into experimental design, strategy differences, why Gemini's high-frequency trading failed, and complete AI-Trader open-source features. Includes GitHub link and deployment guide.