+4.5%
SPY vs EBAY
-4.9%
+9.3%
-3.4%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | EBAY | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.4% | -2.3% | +1.9% | -0.3% |
| 7D | +0.1% | -2.1% | +2.2% | +0.2% |
| 30D | +0.1% | -6.7% | +6.7% | +0.4% |
| All | +4.5% | -4.9% | +9.3% | +4.1% |
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 3mo: 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…
3mo analysis · Full analysis span regression · Available span rolling