+7.7%
STX vs BSX
-13.0%
+20.7%
-20.1%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | BSX | Excess | Alpha |
|---|---|---|---|---|
| 1D | -2.7% | -4.1% | +1.5% | -2.7% |
| 7D | +8.0% | -8.2% | +16.2% | +7.5% |
| 30D | +5.1% | -15.8% | +20.9% | +3.8% |
| All | +7.7% | -13.0% | +20.7% | +6.5% |
Cumulative growth
Daily Returns
Daily percentage return beside BSX.
Daily Out/Under-Performance
Portfolio return minus BSX return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × BSX 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 BSX 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