+54.2%
VRTX vs BIIB
-19.0%
+73.1%
-29.1%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3y.
| Period | Portfolio | BIIB | Excess | Alpha |
|---|---|---|---|---|
| 1D | -3.2% | -3.8% | +0.6% | -1.9% |
| 7D | -3.4% | -1.6% | -1.8% | -2.9% |
| 30D | +6.6% | +2.2% | +4.4% | +5.9% |
| 3M | +19.4% | +10.3% | +9.1% | +15.2% |
| 6M | +15.8% | +14.9% | +0.9% | +9.9% |
| YTD | +16.7% | +20.7% | -4.1% | +8.9% |
| 1Y | +33.8% | +50.3% | -16.5% | +16.5% |
| 3Y | +54.2% | -18.0% | +72.1% | +55.2% |
| All | +54.2% | -19.0% | +73.1% | +55.2% |
Cumulative growth
Daily Returns
Daily percentage return beside BIIB.
Daily Out/Under-Performance
Portfolio return minus BIIB return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × BIIB 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 3y: compounded portfolio wealth divided by compounded BIIB 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…
3y analysis · Full analysis span regression · 6 months rolling