-7.6%
BSX vs NSC
+4.5%
-12.1%
-13.5%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | NSC | Excess | Alpha |
|---|---|---|---|---|
| 1D | -5.9% | -0.5% | -5.4% | -5.7% |
| 7D | -6.4% | -1.5% | -4.9% | -5.9% |
| 30D | -8.8% | -1.9% | -6.9% | -8.3% |
| 3M | -7.6% | +6.2% | -13.9% | -12.5% |
| All | -7.6% | +4.5% | -12.1% | -12.5% |
Cumulative growth
Daily Returns
Daily percentage return beside NSC.
Daily Out/Under-Performance
Portfolio return minus NSC return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × NSC 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 NSC 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