+71.5%
EBAY vs ZETA
+241.7%
-170.2%
-53.6%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1990-01-01 to 2026-09-08.
| Period | Portfolio | ZETA | Excess | Alpha |
|---|---|---|---|---|
| 1D | +1.1% | -1.8% | +2.9% | +1.3% |
| 7D | -0.4% | -2.4% | +2.1% | -0.2% |
| 30D | -6.3% | +15.6% | -21.9% | -8.0% |
| 3M | -3.3% | +41.5% | -44.8% | -7.4% |
| 6M | +13.5% | +63.4% | -50.0% | +6.3% |
| YTD | +21.2% | +51.3% | -30.1% | +14.0% |
| 1Y | +13.9% | +65.8% | -51.9% | +5.5% |
| 3Y | +153.1% | +279.2% | -126.1% | +97.4% |
| 5Y | +54.5% | +341.8% | -287.3% | +13.8% |
| All | +71.5% | +241.7% | -170.2% | +26.8% |
Cumulative growth
Daily Returns
Daily percentage return beside ZETA.
Daily Out/Under-Performance
Portfolio return minus ZETA return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × ZETA 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 ZETA 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