Prove it before you trade it

Early access to the backtester that tries to break your strategy — real costs, held-out data, honest verdict.

One email when your seat opens. Nothing else.

A backtest that agrees with you is not evidence.

Most tools optimise until the curve looks good, then stop. Veristrat runs the checks that try to break the strategy, and shows you the ones it failed.

Costs before returns

Commission and slippage modelled per fill. The result reads gross, then fees, then net — never a headline that ignores friction.

Out-of-sample by default

A held-out slice never touches the fit, and its Sharpe sits next to the in-sample figure so the gap is impossible to miss.

Sensitivity and regime

Every parameter is swept, every trade grouped by market regime. An edge that lives on a knife edge shows itself.