+13.0%
CMCSA vs KMX
+35.2%
-22.2%
-9.5%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | KMX | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.6% | +1.0% | -1.6% | -0.7% |
| 7D | -2.1% | +1.9% | -4.0% | -2.3% |
| 30D | +7.0% | +11.7% | -4.7% | +6.0% |
| All | +13.0% | +35.2% | -22.2% | +9.8% |
Cumulative growth
Daily Returns
Daily percentage return beside KMX.
Daily Out/Under-Performance
Portfolio return minus KMX return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × KMX 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 KMX 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