+5.1%
ISRG vs ZS
-17.9%
+23.0%
-6.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | ZS | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.1% | -0.6% | +0.5% | 0.0% |
| 7D | -6.8% | -13.7% | +6.9% | -4.4% |
| 30D | +5.1% | -14.2% | +19.3% | +7.7% |
| All | +5.1% | -17.9% | +23.0% | +7.7% |
Cumulative growth
Daily Returns
Daily percentage return beside ZS.
Daily Out/Under-Performance
Portfolio return minus ZS return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × ZS 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 ZS 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