+5.1%
ISRG vs ZBRA
-15.4%
+20.5%
-6.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | ZBRA | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.1% | +1.9% | -2.0% | -0.6% |
| 7D | -6.8% | -1.5% | -5.3% | -6.4% |
| 30D | +5.1% | -15.6% | +20.8% | +9.5% |
| All | +5.1% | -15.4% | +20.5% | +9.5% |
Cumulative growth
Daily Returns
Daily percentage return beside ZBRA.
Daily Out/Under-Performance
Portfolio return minus ZBRA return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × ZBRA 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 1mo: compounded portfolio wealth divided by compounded ZBRA 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…
1mo analysis · Full analysis span regression · Available span rolling