+14.3%
BIIB vs WTW
+7.8%
+6.6%
-11.4%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | WTW | Excess | Alpha |
|---|---|---|---|---|
| 1D | +2.2% | +0.5% | +1.7% | +2.1% |
| 7D | -4.0% | -7.8% | +3.7% | -2.8% |
| 30D | +5.7% | -7.9% | +13.5% | +6.9% |
| 3M | +10.9% | +19.9% | -9.0% | +9.3% |
| 6M | +14.3% | +9.8% | +4.5% | +15.3% |
| All | +14.3% | +7.8% | +6.6% | +15.3% |
Cumulative growth
Daily Returns
Daily percentage return beside WTW.
Daily Out/Under-Performance
Portfolio return minus WTW return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × WTW 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 WTW 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