+6.1%
CMCSA vs BBY
+252.7%
-246.6%
-55.4%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 10y.
| Period | Portfolio | BBY | Excess | Alpha |
|---|---|---|---|---|
| 1D | +0.1% | +3.1% | -3.0% | -0.6% |
| 7D | -4.9% | +0.6% | -5.5% | -5.0% |
| 30D | -1.1% | +9.4% | -10.5% | -3.2% |
| 3M | +6.6% | +19.3% | -12.8% | +2.1% |
| 6M | -15.5% | +47.9% | -63.4% | -23.4% |
| YTD | -6.7% | +39.6% | -46.2% | -14.6% |
| 1Y | -15.6% | +22.2% | -37.8% | -20.5% |
| 3Y | -33.7% | +45.0% | -78.7% | -42.0% |
| 5Y | -46.6% | +2.6% | -49.2% | -50.7% |
| All | +6.1% | +252.7% | -246.6% | -23.4% |
Cumulative growth
Daily Returns
Daily percentage return beside BBY.
Daily Out/Under-Performance
Portfolio return minus BBY return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × BBY 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 10y: compounded portfolio wealth divided by compounded BBY 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…
10y analysis · Full analysis span regression · 6 months rolling