+14.2%
SPY vs NSC
+10.8%
+3.3%
-6.6%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | NSC | Excess | Alpha |
|---|---|---|---|---|
| 1D | -0.4% | +0.5% | -0.9% | -0.4% |
| 7D | +0.1% | -5.5% | +5.6% | +0.4% |
| 30D | +0.1% | -3.2% | +3.3% | +0.2% |
| 3M | +2.0% | +7.7% | -5.7% | +1.3% |
| All | +14.2% | +10.8% | +3.3% | +12.6% |
Cumulative growth
Daily Returns
Daily percentage return beside NSC.
Daily Out/Under-Performance
Portfolio return minus NSC return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × NSC 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 NSC 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