-29.3%
STX vs BSX
+0.9%
-30.2%
-38.3%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | BSX | Excess | Alpha |
|---|---|---|---|---|
| 1D | -3.1% | +0.3% | -3.4% | -3.0% |
| 7D | +14.6% | +3.7% | +10.9% | +16.1% |
| 30D | -26.0% | +3.1% | -29.1% | -24.7% |
| All | -29.3% | +0.9% | -30.2% | -28.3% |
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