-18.7%
IBM vs CMCSA
+2.1%
-20.8%
-37.5%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1y.
| Period | Portfolio | CMCSA | Excess | Alpha |
|---|---|---|---|---|
| 1D | 0.0% | +1.0% | -0.9% | -0.1% |
| 7D | -1.5% | +4.6% | -6.1% | -2.4% |
| 30D | +8.4% | +19.8% | -11.4% | +4.6% |
| 3M | +4.2% | -0.3% | +4.5% | +3.5% |
| 6M | +7.9% | +0.3% | +7.6% | +5.4% |
| YTD | -15.2% | -6.9% | -8.3% | -17.9% |
| 1Y | -18.7% | +2.6% | -21.3% | -21.1% |
| All | -18.7% | +2.1% | -20.8% | -21.1% |
Cumulative growth
Daily Returns
Daily percentage return beside CMCSA.
Daily Out/Under-Performance
Portfolio return minus CMCSA return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × CMCSA 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 1y: compounded portfolio wealth divided by compounded CMCSA 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…
1y analysis · Full analysis span regression · 6 months rolling