⬤ Grok 4 has turned heads with its performance in a live stock market simulation that kicked off in late November 2025. Working with a simulated $100,000 portfolio, the AI model managed to pull in roughly 8.3% returns while the S&P 500 crawled ahead with just 1.9% over the same stretch. That puts Grok 4's gains at more than four times what the broader market delivered.
⬤ An AI trading leaderboard screenshot reveals Grok 4 sitting near the top of the pack, with its portfolio climbing to around $108,000 compared to the S&P 500's benchmark position closer to $102,000. Other AI systems like Claude Sonnet, Opus, DeepSeek, and Gemini Pro all posted gains too, but Grok 4's edge stands out in the comparison.
⬤ The results come from an AI Arena leaderboard that puts different models through identical market conditions using the same starting capital and timeline. Unlike passive index tracking, Grok 4 actively shifts positions based on its strategy, which appears to have paid off during this test period. The S&P 500 acts as the baseline representing standard market exposure.
⬤ What makes this noteworthy is the growing push toward AI-powered trading tools across the financial world. When simulation results show this kind of gap between AI strategies and traditional benchmarks, it catches the attention of institutions, developers, and market players looking for an edge. While past performance in simulations doesn't lock in future results, the widening spread between automated approaches and conventional methods points to where financial technology and market analysis might be heading next.
Sergey Diakov
Sergey Diakov