Diagnostic backtest report

Meadows Harness Backtester

Historical simulation only No live bets Updated Jun 25, 2026 10:08 EDT

Backtest status

Latest finding: one small-sample positive pocket, zero validated strategies.

Expanded Strategy Lab tested 39 research-only variants. The best-looking mined rule was positive in discovery and walk-forward, then failed locked holdout. Candidate strategies remain 0.

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Latest Strategy Lab Findings

I tested 39 research-only rule variants. One data-mined pocket was positive in discovery and walk-forward, but it failed locked holdout and only had 77 resolved bets. Candidate strategies remain 0; paper evaluation remains blocked; live-wagerable strategies remain 0.

StrategyResolvedDiscovery ROIWalk-Forward ROIHoldout ROIStatus
mined_nw_rank6_outside_midodds_win77+14.81%+18.28%-2.31%SMALL_SAMPLE_DIAGNOSTIC
mined_nw_deep_model_rank6_win214-2.34%+0.06%-13.42%SMALL_SAMPLE_DIAGNOSTIC
open_class_consensus_win45-17.67%-35.14%+52.22%SMALL_SAMPLE_DIAGNOSTIC

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Strategy ranking

Least bad, most trustworthy first.

Trend evidence

Two charts by default.

Cumulative Profit

Primary trend

Daily P/L

Secondary trend
Bankroll / Daily LimitCollapsed by default
Bet Type PerformanceOpen only when needed
Confidence BucketsDiagnostics drawer

Resolved tickets

Bets table

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