-13.0%
CMCSA vs SPXU
-34.2%
+21.1%
-29.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 2026-03-08 to 2026-09-08.
| Period | Portfolio | SPXU | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.6% | +1.7% | -2.3% | -0.5% |
| 7D | +0.1% | -1.5% | +1.6% | +0.1% |
| 30D | +3.8% | +3.7% | +0.1% | +4.0% |
| 3M | +12.3% | -9.6% | +21.9% | +12.1% |
| All | -13.0% | -34.2% | +21.1% | -14.8% |
Cumulative growth
Daily Returns
Daily percentage return beside SPXU.
Daily Out/Under-Performance
Portfolio return minus SPXU return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × SPXU 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 2026-03-08 to 2026-09-08: compounded portfolio wealth divided by compounded SPXU 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…
2026-03-08 to 2026-09-08 analysis · Full analysis span regression · 6 months rolling