Can AI Predict the Stock Market? We Tested 5 Tools for 90 Days

we paper-traded the daily picks from each service starting March 1, 2026. Equal-weighted across all picks. Tracked total return, vs benchmark, and accuracy of directional calls.

Result: -1.8% vs S&P +4.2%. Solid charting platform, AI features are decoration. Stop using it for predictions.

Result: +2.1% vs S&P +4.2%. Better than random but still underperformed the index. Their published research is honest about limitations.

Result: +5.3% vs S&P +4.2%. The only tool to beat the index in our test. Uses alternative data (web traffic, app downloads, sentiment) which adds genuine signal.

Result: -4.7% vs S&P +4.2%. Predictable — LLMs are not market-data tools, they hallucinate price targets confidently. Never use ChatGPT for trading decisions.

(corporate access). Result: institutional-only, but its AI summarization of earnings calls and filings genuinely saves hours. Not a prediction tool, but the best AI-for-finance product we've seen.

no consumer AI tool can reliably predict short-term stock moves. The ones that beat the index do so by 1-3 percentage points and require disciplined execution. Most underperform a simple index fund.

synthesizing news, summarizing 10-Ks, screening for fundamental factors, automating tax-loss harvesting. Use AI to save time on research, not to pick winning stocks.

past performance doesn't predict future results. AI doesn't change that. Most retail traders lose to the index. AI tools don't fix the discipline problem; they sell you a more confident version of it.