-42.8%
STX vs ISRG
+11.7%
-54.5%
-42.9%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | ISRG | Excess | Alpha |
|---|---|---|---|---|
| 1D | -1.2% | -3.4% | +2.2% | -1.5% |
| 7D | -28.5% | +4.8% | -33.3% | -25.3% |
| 30D | -42.9% | +9.2% | -52.2% | -40.1% |
| All | -42.8% | +11.7% | -54.5% | -39.8% |
Cumulative growth
Daily Returns
Daily percentage return beside ISRG.
Daily Out/Under-Performance
Portfolio return minus ISRG return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × ISRG 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 ISRG 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