-1.8%
CMCSA vs LYFT
-10.8%
+9.0%
-9.6%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | LYFT | Excess | Alpha |
|---|---|---|---|---|
| 1D | +0.1% | +2.0% | -1.9% | -0.9% |
| 7D | -4.9% | -8.4% | +3.5% | -0.3% |
| 30D | -1.1% | -7.6% | +6.5% | +3.1% |
| All | -1.8% | -10.8% | +9.0% | +5.4% |
Cumulative growth
Daily Returns
Daily percentage return beside LYFT.
Daily Out/Under-Performance
Portfolio return minus LYFT return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × LYFT 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 1mo: compounded portfolio wealth divided by compounded LYFT 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…
1mo analysis · Full analysis span regression · Available span rolling