CRYPTYX | institutional-grade crypto intelligence: 150+ signals, 440+ metrics, 200+ assets. | Backtest any of 143 atomic or 9 composite signals over up to 365 days. Returns totalDays, triggeredDays, triggerRate, totalTriggerEvents, avgConfidence, per-day rows[], plus a performance block: 1d/7d/14d/30d horizons each with sample_size, mean_return, median_return, hit_rate, bootstrap_ci_95, statistical_significance, is_reliable, capped by reliability_grade (green/yellow/red) and explicit caveats. The user-bounded backtest above is in-sample only; alongside it the top-level `walk_forward` block returns the latest nightly out-of-sample read at 7d/14d/30d (is_ic, oos_ic, overfit_ratio, ic_delta, reliability_grade) from analytics.signal_eval_wf_day so the IS conclusions can be cross-checked against the OOS evidence in the same response. dryrun skips signal_log writes.

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