+3.8%
CMCSA vs BMY
+15.9%
-12.1%
-22.9%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | BMY | Excess | Alpha |
|---|---|---|---|---|
| 1D | +1.5% | +1.8% | -0.3% | +0.7% |
| 7D | +3.2% | +2.1% | +1.1% | +2.3% |
| 30D | +19.5% | +7.0% | +12.5% | +16.8% |
| 3M | -2.4% | -0.9% | -1.5% | -2.3% |
| 6M | +3.8% | +14.9% | -11.1% | -1.3% |
| All | +3.8% | +15.9% | -12.1% | -1.3% |
Cumulative growth
Daily Returns
Daily percentage return beside BMY.
Daily Out/Under-Performance
Portfolio return minus BMY return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × BMY 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 BMY 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