Rallies Arena: US AIs Beat S&P 500 in Trading Contest

Rallies Arena data reveals every US-made AI beating the stock market in the ongoing trading simulation, with ChatGPT leading at +77.8%, Grok at +60.7%, Claude at +24.6% and Gemini at +23.8% against the S&P 500 return of +13%. Non-US models trail sharply, as Deepseek posts just +5.4% and Qwen sits at -28%. The contest gave each AI $100K to trade, exposing clear gaps in US vs non-US AI models performance in trading simulations and Rallies Arena AI stock market competition methodology and rules that reward precise execution over the last six months.