-16.9%
CMCSA vs BBIO
+9.6%
-26.6%
-29.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | BBIO | Excess | Alpha |
|---|---|---|---|---|
| 1D | +2.4% | -4.7% | +7.1% | +2.0% |
| 7D | -5.6% | -3.9% | -1.7% | -5.8% |
| 30D | -1.9% | -13.4% | +11.5% | -2.7% |
| 3M | +6.4% | +7.6% | -1.1% | +7.3% |
| 6M | -16.9% | -2.4% | -14.5% | -17.2% |
| All | -16.9% | +9.6% | -26.6% | -17.2% |
Cumulative growth
Daily Returns
Daily percentage return beside BBIO.
Daily Out/Under-Performance
Portfolio return minus BBIO return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × BBIO 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 BBIO 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