-2.4%
CMCSA vs BIDU
-25.1%
+22.7%
-22.9%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | BIDU | Excess | Alpha |
|---|---|---|---|---|
| 1D | +1.5% | +0.7% | +0.8% | +1.5% |
| 7D | +3.2% | -4.6% | +7.7% | +2.7% |
| 30D | +19.5% | -4.5% | +24.1% | +18.7% |
| 3M | -2.4% | -25.4% | +23.0% | -6.0% |
| All | -2.4% | -25.1% | +22.7% | -6.0% |
Cumulative growth
Daily Returns
Daily percentage return beside BIDU.
Daily Out/Under-Performance
Portfolio return minus BIDU return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × BIDU 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 BIDU 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