-34.0%
CPRT vs BIIB
+47.4%
-81.3%
-44.4%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1y.
| Period | Portfolio | BIIB | Excess | Alpha |
|---|---|---|---|---|
| 1D | -1.7% | -0.8% | -0.9% | -1.7% |
| 7D | -0.4% | -5.4% | +5.0% | +0.2% |
| 30D | +8.2% | +1.7% | +6.5% | +8.1% |
| 3M | +2.3% | +5.8% | -3.5% | +1.9% |
| 6M | -14.7% | +11.9% | -26.7% | -15.5% |
| YTD | -18.2% | +19.7% | -37.9% | -19.6% |
| All | -34.0% | +47.4% | -81.3% | -36.8% |
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 1y: 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…
1y analysis · Full analysis span regression · 6 months rolling