-4.3%
GSK vs ZYBT
+93.8%
-98.1%
-8.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | ZYBT | Excess | Alpha |
|---|---|---|---|---|
| 1D | +0.2% | -0.6% | +0.8% | +0.2% |
| 7D | -3.6% | -3.7% | +0.1% | -3.6% |
| 30D | -5.9% | -12.8% | +6.9% | -6.0% |
| 3M | -4.3% | +76.2% | -80.5% | -0.7% |
| All | -4.3% | +93.8% | -98.1% | -0.7% |
Cumulative growth
Daily Returns
Daily percentage return beside ZYBT.
Daily Out/Under-Performance
Portfolio return minus ZYBT return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × ZYBT 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 ZYBT 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