+31.6%
DAL vs ZYBT
-58.1%
+89.7%
-47.9%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1990-01-01 to 2026-09-08.
| Period | Portfolio | ZYBT | Excess | Alpha |
|---|---|---|---|---|
| 1D | -1.5% | -1.9% | +0.4% | -1.5% |
| 7D | +3.4% | -4.2% | +7.6% | +3.4% |
| 30D | -13.6% | -16.4% | +2.8% | -13.5% |
| 3M | +1.2% | +82.9% | -81.7% | +0.2% |
| 6M | +34.5% | +110.7% | -76.2% | +31.0% |
| YTD | +14.7% | +37.4% | -22.7% | +13.3% |
| 1Y | +29.2% | -80.6% | +109.9% | +35.9% |
| All | +31.6% | -58.1% | +89.7% | +21.4% |
Cumulative growth
Daily Returns
Daily percentage return beside ZYBT.
Daily Out/Under-Performance
Portfolio return minus ZYBT return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × ZYBT return. Early observations use the first valid beta; later observations use the trailing beta estimated for each date.
Cumulative Out/Under-Performance
Relative wealth over 1990-01-01 to 2026-09-08: compounded portfolio wealth divided by compounded ZYBT wealth, less one. Both series rebase at the selected span's start.
Cumulative Alpha
Compounded beta-adjusted residual returns apply the first valid beta to early observations, then the trailing beta ending on each date.
Updating return analytics…
1990-01-01 to 2026-09-08 analysis · Full analysis span regression · 6 months rolling