+37.3%
BBY vs BIIB
+14.6%
+22.7%
-17.1%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | BIIB | Excess | Alpha |
|---|---|---|---|---|
| 1D | -1.5% | -0.8% | -0.6% | -1.4% |
| 7D | +1.2% | -5.4% | +6.5% | +1.2% |
| 30D | +6.8% | +1.7% | +5.1% | +7.1% |
| 3M | +18.7% | +5.8% | +12.9% | +19.4% |
| 6M | +37.3% | +11.9% | +25.3% | +37.0% |
| All | +37.3% | +14.6% | +22.7% | +37.0% |
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 6mo: 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…
6mo analysis · Full analysis span regression · 6 months rolling