{"ok":true,"stats":{"total_signals":"310","total_wins":"130","total_losses":"180","pending":"0","avg_pnl":"-0.38","best_trade":"18","worst_trade":"-11.8211","total_scans":"174","unique_pairs":"60","first_scan":"2026-02-10 11:33:39","last_scan":"2026-04-08 06:38:12","overall_win_rate":41.9,"resolved":310,"significance":{"is_significant":false,"confidence":"not_significant","p_value":0.995,"z_score":-2.84,"observed_win_rate":41.9,"null_hypothesis":50,"sample_size":310,"min_sample_needed":30,"confidence_interval":{"low":36.6,"high":47.5},"note":"Win rate is NOT yet statistically distinguishable from coin flip. More data needed."}}}