+14.6%
BIIB vs CAI
+43.3%
-28.7%
-11.4%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | CAI | Excess | Alpha |
|---|---|---|---|---|
| 1D | -1.6% | -1.0% | -0.7% | -1.6% |
| 7D | +1.1% | -2.2% | +3.3% | +1.1% |
| 30D | +6.9% | +52.4% | -45.5% | +6.8% |
| All | +14.6% | +43.3% | -28.7% | +13.7% |
Cumulative growth
Daily Returns
Daily percentage return beside CAI.
Daily Out/Under-Performance
Portfolio return minus CAI return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × CAI 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 CAI 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