-21.8%
GLW vs ISRG
-11.4%
-10.4%
-51.5%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | ISRG | Excess | Alpha |
|---|---|---|---|---|
| 1D | +5.7% | -0.8% | +6.5% | +5.4% |
| 7D | +3.8% | -1.6% | +5.3% | +3.3% |
| 30D | -1.3% | -2.3% | +0.9% | -1.9% |
| 3M | -21.8% | -12.4% | -9.4% | -24.5% |
| All | -21.8% | -11.4% | -10.4% | -24.5% |
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 3mo: 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…
3mo analysis · Full analysis span regression · Available span rolling