v21.0 Extended Backtest and Walk-Forward Testing
Period: 2020-01-01 to 2026-06-04 Total Days: 2347 Previous Backtest: 186 days (2025-12-01 to 2026-06-04) Extended Range: +2.5 years back to 2020-01-01
I. Extended Coverage Metrics
| Metric | Extended (2020-2026) | Previous (186d