+13.1%
JJSF vs SPY
-5.5%
+18.6%
-3.9%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | SPY | Excess | Alpha |
|---|---|---|---|---|
| 1D | -1.4% | +0.3% | -1.7% | -1.5% |
| 7D | +5.2% | -2.7% | +7.9% | +5.4% |
| 30D | +13.2% | -5.4% | +18.6% | +11.6% |
| All | +13.1% | -5.5% | +18.6% | +11.3% |
Cumulative growth
Daily Returns
Daily percentage return beside SPY.
Daily Out/Under-Performance
Portfolio return minus SPY return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × SPY 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 SPY 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