-21.6%
IBM vs ATI
+18.9%
-40.5%
-32.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 3mo.
| Period | Portfolio | ATI | Excess | Alpha |
|---|---|---|---|---|
| 1D | +0.1% | +3.0% | -2.9% | +0.9% |
| 7D | -0.3% | -0.1% | -0.2% | -0.4% |
| 30D | +0.3% | +2.7% | -2.4% | +1.3% |
| 3M | -21.6% | +16.3% | -37.9% | -16.4% |
| All | -21.6% | +18.9% | -40.5% | -16.4% |
Cumulative growth
Daily Returns
Daily percentage return beside ATI.
Daily Out/Under-Performance
Portfolio return minus ATI return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × ATI 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 ATI 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