+6.1%
CMCSA vs SIRI
-10.2%
+16.3%
-55.4%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 10y.
| Period | Portfolio | SIRI | Excess | Alpha |
|---|---|---|---|---|
| 1D | +0.1% | +0.9% | -0.8% | -0.1% |
| 7D | -4.9% | +0.6% | -5.4% | -5.0% |
| 30D | -1.1% | +2.5% | -3.6% | -1.7% |
| 3M | +6.6% | +6.6% | -0.1% | +4.8% |
| 6M | -15.5% | +32.9% | -48.3% | -21.1% |
| YTD | -6.7% | +50.5% | -57.1% | -15.7% |
| 1Y | -15.6% | +28.0% | -43.6% | -21.1% |
| 3Y | -33.7% | -22.4% | -11.3% | -33.7% |
| 5Y | -46.6% | -41.3% | -5.3% | -45.5% |
| All | +6.1% | -10.2% | +16.3% | -12.8% |
Cumulative growth
Daily Returns
Daily percentage return beside SIRI.
Daily Out/Under-Performance
Portfolio return minus SIRI return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × SIRI 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 SIRI 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