-40.2%
BWXT vs SPY
+3.7%
-43.9%
-45.3%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | SPY | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.8% | +1.3% | -2.1% | -2.5% |
| 7D | +3.4% | -0.9% | +4.4% | +4.4% |
| 30D | -10.2% | -2.4% | -7.8% | -7.2% |
| 3M | -25.8% | -1.2% | -24.7% | -24.5% |
| 6M | -40.2% | +3.3% | -43.5% | -43.3% |
| All | -40.2% | +3.7% | -43.9% | -43.3% |
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