+20.7%
CPRT vs BIYA
-20.9%
+41.6%
-2.7%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | BIYA | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.5% | 0.0% | -0.5% | -0.5% |
| 7D | -0.4% | +9.0% | -9.4% | -0.3% |
| 30D | +21.2% | -12.9% | +34.1% | +21.3% |
| All | +20.7% | -20.9% | +41.6% | +20.9% |
Cumulative growth
Daily Returns
Daily percentage return beside BIYA.
Daily Out/Under-Performance
Portfolio return minus BIYA return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × BIYA 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 1mo: compounded portfolio wealth divided by compounded BIYA 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…
1mo analysis · Full analysis span regression · Available span rolling