-3.6%
EBAY vs GRMN
-12.5%
+8.9%
-6.3%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | GRMN | Excess | Alpha |
|---|---|---|---|---|
| 1D | -1.0% | -1.3% | +0.2% | -1.9% |
| 7D | -3.0% | -1.4% | -1.6% | -3.9% |
| 30D | -3.6% | -13.1% | +9.5% | -12.2% |
| All | -3.6% | -12.5% | +8.9% | -12.2% |
Cumulative growth
Daily Returns
Daily percentage return beside GRMN.
Daily Out/Under-Performance
Portfolio return minus GRMN return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × GRMN 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 GRMN 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