{"ok":true,"stats":{"total_signals":"306","total_wins":"130","total_losses":"176","pending":"0","avg_pnl":"-0.37","best_trade":"18","worst_trade":"-11.8211","total_scans":"171","unique_pairs":"59","first_scan":"2026-02-10 11:33:39","last_scan":"2026-04-01 06:40:49","overall_win_rate":42.5,"resolved":306,"significance":{"is_significant":false,"confidence":"not_significant","p_value":0.995,"z_score":-2.63,"observed_win_rate":42.5,"null_hypothesis":50,"sample_size":306,"min_sample_needed":30,"confidence_interval":{"low":37.1,"high":48.1},"note":"Win rate is NOT yet statistically distinguishable from coin flip. More data needed."}}}