-12.5%
CMCSA vs BIDU
-16.3%
+3.8%
-29.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | BIDU | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.6% | +4.1% | -4.7% | -0.3% |
| 7D | -2.1% | +2.4% | -4.5% | -1.9% |
| 30D | +7.0% | -10.5% | +17.5% | +6.4% |
| 3M | +15.1% | -26.2% | +41.3% | +11.8% |
| All | -12.5% | -16.3% | +3.8% | -13.6% |
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 6mo: 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…
6mo analysis · Full analysis span regression · 6 months rolling