+78.0%
SPYM vs BIIB
+13.5%
+64.5%
-18.7%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3y.
| Period | Portfolio | BIIB | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.4% | +1.2% | -1.6% | -0.6% |
| 7D | +2.6% | +2.0% | +0.5% | +2.3% |
| 30D | -2.0% | +8.8% | -10.8% | -3.1% |
| 3M | -2.8% | +20.3% | -23.1% | -5.2% |
| 6M | +2.2% | +23.9% | -21.7% | -1.0% |
| YTD | +11.5% | +44.0% | -32.4% | +5.0% |
| 1Y | +13.5% | +53.8% | -40.3% | +5.5% |
| 3Y | +78.0% | +13.8% | +64.2% | +66.4% |
| All | +78.0% | +13.5% | +64.5% | +66.4% |
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 3y: 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…
3y analysis · Full analysis span regression · 6 months rolling