-17.1%
NASA vs SPY
+18.7%
-35.8%
-57.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1y.
| Period | Portfolio | SPY | Excess | Alpha |
|---|---|---|---|---|
| 1D | -2.0% | -0.4% | -1.6% | -1.0% |
| 7D | +8.2% | +2.6% | +5.6% | +1.1% |
| 30D | -3.3% | -2.0% | -1.3% | +2.9% |
| 3M | -20.8% | -2.8% | -18.0% | -13.3% |
| 6M | -39.6% | +2.1% | -41.8% | -41.4% |
| All | -17.1% | +18.7% | -35.8% | -33.0% |
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 1y: 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…
1y analysis · Full analysis span regression · 6 months rolling