# 20M data entries, a backtest engine, ML models, agents. Still haven't traded > Source: > Published: 2026-07-10 10:47:02+00:00 # Type a trading idea. See if it would have worked. AI turns plain English into testable rules, runs them against years of real market data with costs included — including regimes like the COVID crash — then shows what conditions like today's have historically led to. No signup needed. ## 1 · Describe your strategy Daily bars · commission and slippage included · pick symbol and period in the results ## Thoughts? What's missing, what's broken, would you actually use this? Blunt is fine.