-12.5%
CMCSA vs BB
+126.5%
-139.0%
-29.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | BB | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.6% | 0.0% | -0.6% | -0.6% |
| 7D | -2.1% | -5.6% | +3.5% | -2.1% |
| 30D | +7.0% | -11.8% | +18.8% | +7.3% |
| 3M | +15.1% | -25.5% | +40.6% | +16.0% |
| All | -12.5% | +126.5% | -139.0% | -22.0% |
Cumulative growth
Daily Returns
Daily percentage return beside BB.
Daily Out/Under-Performance
Portfolio return minus BB return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × BB 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 BB 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