-86.8%
MSTU vs BIIB
+7.3%
-94.1%
-99.4%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1990-01-01 to 2026-09-08.
| Period | Portfolio | BIIB | Excess | Alpha |
|---|---|---|---|---|
| 1D | -8.6% | -3.8% | -4.9% | -7.6% |
| 7D | +16.1% | -1.6% | +17.8% | +16.9% |
| 30D | +68.7% | +2.2% | +66.5% | +68.4% |
| 3M | -11.0% | +10.3% | -21.3% | -14.4% |
| 6M | -33.4% | +14.9% | -48.3% | -38.1% |
| YTD | -59.5% | +20.7% | -80.3% | -62.9% |
| 1Y | -93.4% | +50.3% | -143.7% | -94.5% |
| All | -86.8% | +7.3% | -94.1% | -86.2% |
Cumulative growth
Daily Returns
Daily percentage return beside BIIB.
Daily Out/Under-Performance
Portfolio return minus BIIB return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × BIIB 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 1990-01-01 to 2026-09-08: compounded portfolio wealth divided by compounded BIIB 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…
1990-01-01 to 2026-09-08 analysis · Full analysis span regression · 6 months rolling