-15.4%
CMCSA vs ATI
+32.0%
-47.4%
-30.0%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | ATI | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.6% | +3.0% | -3.6% | -0.5% |
| 7D | -2.1% | -0.1% | -2.1% | -2.1% |
| 30D | +7.0% | +2.7% | +4.3% | +7.0% |
| 3M | +15.1% | +16.3% | -1.2% | +15.0% |
| 6M | -15.4% | +30.2% | -45.5% | -16.5% |
| All | -15.4% | +32.0% | -47.4% | -16.5% |
Cumulative growth
Daily Returns
Daily percentage return beside ATI.
Daily Out/Under-Performance
Portfolio return minus ATI return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × ATI 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 ATI 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