-0.9%
GD vs SPY
+13.6%
-14.5%
-14.2%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | SPY | Excess | Alpha |
|---|---|---|---|---|
| 1D | -1.8% | -0.4% | -1.4% | -1.7% |
| 7D | -5.3% | +0.1% | -5.4% | -5.3% |
| 30D | -6.4% | +0.1% | -6.5% | -6.4% |
| 3M | +5.7% | +2.0% | +3.7% | +4.8% |
| 6M | -0.9% | +13.0% | -14.0% | -5.2% |
| All | -0.9% | +13.6% | -14.5% | -5.2% |
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 6mo: 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…
6mo analysis · Full analysis span regression · 6 months rolling