+40.8%
MKTX vs BIIB
+7.8%
+33.0%
-12.6%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | BIIB | Excess | Alpha |
|---|---|---|---|---|
| 1D | 0.0% | -0.8% | +0.8% | 0.0% |
| 7D | +0.3% | -5.4% | +5.6% | +0.3% |
| 30D | +1.0% | +1.7% | -0.8% | +1.0% |
| 3M | +40.8% | +5.8% | +35.0% | +40.4% |
| All | +40.8% | +7.8% | +33.0% | +40.4% |
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 3mo: 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…
3mo analysis · Full analysis span regression · Available span rolling