-12.5%
ISRG vs BBIO
+8.0%
-20.6%
-23.3%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | BBIO | Excess | Alpha |
|---|---|---|---|---|
| 1D | +2.0% | -4.7% | +6.7% | +1.7% |
| 7D | -2.5% | -3.9% | +1.3% | -2.9% |
| 30D | -10.2% | -13.4% | +3.2% | -11.1% |
| 3M | -12.5% | +7.6% | -20.1% | -13.3% |
| All | -12.5% | +8.0% | -20.6% | -13.3% |
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 3mo: 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…
3mo analysis · Full analysis span regression · Available span rolling