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Is this strategy lying to you?

Paste any TradingView Pine Script and we'll scan it for hidden errors that inflate results. Lookahead bias, execution tricks, repainting — caught in seconds.

Test your idea on real data

Describe your strategy in plain English — no coding required. We build it from scratch and run a clean backtest on real historical market data.

Find exactly when it works

Test 96 session × day combinations in 2 seconds and find your edge automatically.

THE PROOF

Same strategy. Same data. Two very different results.

FIB-Killer v1.2 — a real strategy with lookahead_on in three places. Watch what happens when we remove it.

TradingView (lookahead_on)+$0
Assay clean backtest+$0
gap = lookahead inflation

TRADINGVIEW BACKTEST

+$18,174

240 trades · 59.6% win rate · lookahead_on

ASSAY CLEAN BACKTEST

+$2,710

548 trades · 39.2% win rate · confirmed bars only

Same strategy. 6.7× inflated by lookahead bias.

We tested 19 popular strategies so you don't have to.

18 have no edge. 1 does. See which one.

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