-10.2%
ISRG vs BBIO
-8.8%
-1.4%
-12.7%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | BBIO | Excess | Alpha |
|---|---|---|---|---|
| 1D | +0.9% | +1.8% | -0.9% | +0.7% |
| 7D | -5.0% | -0.5% | -4.5% | -5.1% |
| 30D | -10.2% | -10.1% | -0.1% | -9.9% |
| All | -10.2% | -8.8% | -1.4% | -9.9% |
Cumulative growth
Daily Returns
Daily percentage return beside BBIO.
Daily Out/Under-Performance
Portfolio return minus BBIO return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × BBIO 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 BBIO 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