-9.2%
COST vs EBAY
+12.0%
-21.2%
-17.4%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | EBAY | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.8% | -1.0% | +0.2% | -0.8% |
| 7D | -2.8% | -3.0% | +0.2% | -2.7% |
| 30D | -5.3% | -3.6% | -1.7% | -5.3% |
| 3M | -6.7% | -4.4% | -2.2% | -6.7% |
| All | -9.2% | +12.0% | -21.2% | -9.3% |
Cumulative growth
Daily Returns
Daily percentage return beside EBAY.
Daily Out/Under-Performance
Portfolio return minus EBAY return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × EBAY 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 EBAY 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