-13.4%
CMCSA vs RF
+15.4%
-28.8%
-30.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 2025-09-08 to 2026-09-08.
| Period | Portfolio | RF | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.6% | -1.2% | +0.5% | -0.2% |
| 7D | +0.1% | +2.7% | -2.5% | -0.9% |
| 30D | +3.8% | -3.4% | +7.2% | +5.1% |
| 3M | +12.3% | +6.4% | +6.0% | +9.9% |
| 6M | -15.4% | +13.4% | -28.8% | -18.6% |
| YTD | -2.5% | +14.2% | -16.7% | -7.2% |
| 1Y | -13.4% | +15.7% | -29.1% | -20.9% |
| All | -13.4% | +15.4% | -28.8% | -20.9% |
Cumulative growth
Daily Returns
Daily percentage return beside RF.
Daily Out/Under-Performance
Portfolio return minus RF return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × RF 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 2025-09-08 to 2026-09-08: compounded portfolio wealth divided by compounded RF 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…
2025-09-08 to 2026-09-08 analysis · Full analysis span regression · 6 months rolling