-89.8%
AIXI vs SPY
+13.6%
-103.4%
-98.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 2026-03-04 to 2026-09-04.
| Period | Portfolio | SPY | Excess | Alpha |
|---|---|---|---|---|
| 1D | -2.5% | -0.4% | -2.1% | -1.7% |
| 7D | -13.6% | +0.1% | -13.7% | -13.6% |
| 30D | -56.7% | +0.1% | -56.7% | -56.6% |
| 3M | -94.5% | +2.0% | -96.5% | -94.5% |
| 6M | -89.8% | +13.0% | -102.8% | -94.6% |
| All | -89.8% | +13.6% | -103.4% | -94.6% |
Cumulative growth
Daily Returns
Daily percentage return beside SPY.
Daily Out/Under-Performance
Portfolio return minus SPY return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × SPY 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 2026-03-04 to 2026-09-04: compounded portfolio wealth divided by compounded SPY 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…
2026-03-04 to 2026-09-04 analysis · Full analysis span regression · 6 months rolling