-18.3%
BKNG vs BIIB
+5.1%
-23.4%
-18.9%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | BIIB | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.2% | +0.8% | -1.0% | -0.9% |
| 7D | -10.0% | -1.7% | -8.4% | -8.7% |
| 30D | -18.1% | +4.0% | -22.0% | -20.7% |
| All | -18.3% | +5.1% | -23.4% | -22.5% |
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 1mo: 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…
1mo analysis · Full analysis span regression · Available span rolling