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Honest backtests
Realistic NBBO-aware sim. The platform that tells you the truth about your strategy.
Today most platforms show pretty equity curves built on naive fills — assume mid quote, ignore slippage and commissions, magnify edge that vanishes in production. SignalAI's backtest engine will replay every order against actual NBBO at the signal moment, applying realistic fill logic, slippage, and per-trade costs. Closed source on purpose: it's the moat.
- NBBO-aware fills sourced from Polygon
- Lookahead separation enforced architecturally
- Side-by-side naive vs. realistic equity curves so you see the cost of dishonesty
- Tuned per strategy category — day, swing, long-term
ETAGates on a 1-weekend validation test, then ~4 weeks of build.