+75.2%
ZBIO vs VOO
+5.1%
+70.1%
-11.0%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | VOO | Excess | Alpha |
|---|---|---|---|---|
| 1D | +0.1% | +0.8% | -0.8% | 0.0% |
| 7D | -5.4% | -0.8% | -4.6% | -5.4% |
| 30D | -0.5% | -1.1% | +0.5% | -0.7% |
| 3M | +75.2% | +3.9% | +71.3% | +76.0% |
| All | +75.2% | +5.1% | +70.1% | +76.0% |
Cumulative growth
Daily Returns
Daily percentage return beside VOO.
Daily Out/Under-Performance
Portfolio return minus VOO return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × VOO 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 3mo: compounded portfolio wealth divided by compounded VOO 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…
3mo analysis · Full analysis span regression · Available span rolling