-42.6%
STX vs BSX
-14.0%
-28.6%
-53.6%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | BSX | Excess | Alpha |
|---|---|---|---|---|
| 1D | -3.1% | +0.3% | -3.4% | -3.0% |
| 7D | +14.6% | +3.7% | +10.9% | +15.6% |
| 30D | -26.0% | +3.1% | -29.1% | -25.1% |
| 3M | -42.6% | -14.2% | -28.4% | -43.5% |
| All | -42.6% | -14.0% | -28.6% | -43.5% |
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 3mo: 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…
3mo analysis · Full analysis span regression · Available span rolling