-27.2%
AMSC vs SPY
-5.3%
-21.9%
-27.2%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | SPY | Excess | Alpha |
|---|---|---|---|---|
| 1D | -8.7% | -4.4% | -4.3% | +0.7% |
| 7D | -14.5% | -4.7% | -9.8% | -4.3% |
| 30D | -24.7% | -5.9% | -18.8% | -12.5% |
| 3M | -27.2% | -4.5% | -22.7% | -18.7% |
| All | -27.2% | -5.3% | -21.9% | -18.7% |
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 3mo: 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…
3mo analysis · Full analysis span regression · Available span rolling