+82.2%
WDC vs BSX
-36.0%
+118.3%
-41.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | BSX | Excess | Alpha |
|---|---|---|---|---|
| 1D | +2.1% | -5.9% | +8.0% | +0.5% |
| 7D | +6.0% | -6.4% | +12.4% | +4.1% |
| 30D | +9.9% | -8.8% | +18.7% | +7.4% |
| 3M | -9.4% | -7.6% | -1.8% | -6.7% |
| All | +82.2% | -36.0% | +118.3% | +125.1% |
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 6mo: 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…
6mo analysis · Full analysis span regression · 6 months rolling