+13.2%
EBAY vs GFS
-1.5%
+14.7%
-14.9%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | GFS | Excess | Alpha |
|---|---|---|---|---|
| 1D | +1.1% | -0.3% | +1.4% | +1.1% |
| 7D | -0.4% | +2.6% | -3.0% | -0.4% |
| 30D | -6.3% | -16.4% | +10.1% | -5.9% |
| 3M | -3.3% | -41.6% | +38.3% | -2.1% |
| All | +13.2% | -1.5% | +14.7% | +6.6% |
Cumulative growth
Daily Returns
Daily percentage return beside GFS.
Daily Out/Under-Performance
Portfolio return minus GFS return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × GFS 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 6mo: compounded portfolio wealth divided by compounded GFS 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…
6mo analysis · Full analysis span regression · 6 months rolling