-4.6%
GSK vs IDXX
-15.1%
+10.5%
-9.0%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1mo.
| Period | Portfolio | IDXX | Excess | Alpha |
|---|---|---|---|---|
| 1D | 0.0% | -0.4% | +0.4% | +0.2% |
| 7D | -3.5% | -5.7% | +2.2% | -1.1% |
| 30D | -3.4% | -11.5% | +8.1% | +1.5% |
| All | -4.6% | -15.1% | +10.5% | +1.4% |
Cumulative growth
Daily Returns
Daily percentage return beside IDXX.
Daily Out/Under-Performance
Portfolio return minus IDXX return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × IDXX 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 1mo: compounded portfolio wealth divided by compounded IDXX 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…
1mo analysis · Full analysis span regression · Available span rolling