-35.6%
GPRO vs SPY
+1.5%
-37.1%
-58.9%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | SPY | Excess | Alpha |
|---|---|---|---|---|
| 1D | +4.8% | +0.3% | +4.5% | +4.2% |
| 7D | -3.1% | -2.7% | -0.4% | +1.7% |
| 30D | -26.1% | -5.4% | -20.8% | -18.7% |
| 3M | +23.6% | -4.1% | +27.7% | +32.9% |
| 6M | -35.6% | +0.7% | -36.3% | -38.3% |
| All | -35.6% | +1.5% | -37.1% | -38.3% |
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 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