+18.7%
BBY vs SONY
+8.6%
+10.1%
-11.3%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | SONY | Excess | Alpha |
|---|---|---|---|---|
| 1D | -1.5% | -0.4% | -1.1% | -1.4% |
| 7D | +1.2% | -4.9% | +6.1% | +2.0% |
| 30D | +6.8% | -1.6% | +8.4% | +7.0% |
| 3M | +18.7% | +10.0% | +8.7% | +16.2% |
| All | +18.7% | +8.6% | +10.1% | +16.2% |
Cumulative growth
Daily Returns
Daily percentage return beside SONY.
Daily Out/Under-Performance
Portfolio return minus SONY return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × SONY 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 SONY 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