-13.6%
SPCX vs CMCSA
+7.9%
-21.5%
-48.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | CMCSA | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.6% | +1.5% | -2.0% | -0.4% |
| 7D | +3.6% | +3.2% | +0.4% | +4.1% |
| 30D | -8.6% | +19.5% | -28.1% | -7.7% |
| 3M | -1.5% | -2.4% | +0.9% | +3.4% |
| All | -13.6% | +7.9% | -21.5% | -10.9% |
Cumulative growth
Daily Returns
Daily percentage return beside CMCSA.
Daily Out/Under-Performance
Portfolio return minus CMCSA return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × CMCSA 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 CMCSA 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 · Available span rolling