+1.8%
CMCSA vs BIIB
+68.6%
-66.8%
-33.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1y.
| Period | Portfolio | BIIB | Excess | Alpha |
|---|---|---|---|---|
| 1D | +5.0% | +2.2% | +2.8% | +4.6% |
| 7D | +15.2% | +4.3% | +10.9% | +14.5% |
| 30D | +17.0% | +13.8% | +3.2% | +14.9% |
| 3M | +1.2% | +22.1% | -20.8% | -1.5% |
| 6M | -5.5% | +35.9% | -41.4% | -8.8% |
| YTD | -6.5% | +44.6% | -51.1% | -10.5% |
| 1Y | +1.8% | +70.4% | -68.6% | -8.8% |
| All | +1.8% | +68.6% | -66.8% | -8.8% |
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 1y: 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…
1y analysis · Full analysis span regression · 6 months rolling