-3.7%
Z vs BIIB
+11.5%
-15.2%
-18.1%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | BIIB | Excess | Alpha |
|---|---|---|---|---|
| 1D | -2.1% | -1.6% | -0.5% | -1.6% |
| 7D | -3.0% | +1.1% | -4.1% | -3.3% |
| 30D | -4.2% | +6.9% | -11.1% | -5.8% |
| 3M | -3.7% | +12.4% | -16.1% | -6.8% |
| All | -3.7% | +11.5% | -15.2% | -6.8% |
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 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