-40.1%
WDC vs SONY
+17.9%
-58.0%
-64.6%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 6mo.
| Period | Portfolio | SONY | Excess | Alpha |
|---|---|---|---|---|
| 1D | -5.0% | +1.5% | -6.5% | -3.4% |
| 7D | +12.1% | +0.3% | +11.8% | +12.6% |
| 30D | -18.8% | +11.1% | -29.9% | -9.3% |
| 3M | -39.3% | +14.7% | -54.0% | -30.3% |
| 6M | -40.1% | +18.8% | -58.9% | -19.3% |
| All | -40.1% | +17.9% | -58.0% | -19.3% |
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 6mo: 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…
6mo analysis · Full analysis span regression · 6 months rolling