-33.8%
CMCSA vs BBY
+38.5%
-72.3%
-44.9%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3y.
| Period | Portfolio | BBY | Excess | Alpha |
|---|---|---|---|---|
| 1D | +2.4% | +0.1% | +2.3% | +2.3% |
| 7D | -5.6% | +0.7% | -6.2% | -5.7% |
| 30D | -1.9% | +5.8% | -7.6% | -2.9% |
| 3M | +6.4% | +18.0% | -11.6% | +3.2% |
| 6M | -16.9% | +39.8% | -56.8% | -22.3% |
| YTD | -6.8% | +35.4% | -42.2% | -12.6% |
| 1Y | -15.9% | +21.4% | -37.3% | -19.5% |
| All | -33.8% | +38.5% | -72.3% | -42.4% |
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 3y: 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…
3y analysis · Full analysis span regression · 6 months rolling