-4.6%
SPCX vs AMGN
+10.7%
-15.3%
-48.8%
Performance
Returns, benchmark comparison, and relative performance.
Performance by timeframe
Returns for 1990-01-01 to 2026-09-08.
| Period | Portfolio | AMGN | Excess | Alpha |
|---|---|---|---|---|
| 1D | +3.7% | -10.1% | +13.8% | +1.4% |
| 7D | +7.9% | -10.3% | +18.2% | +5.4% |
| 30D | +15.3% | -3.8% | +19.1% | +14.2% |
| All | -4.6% | +10.7% | -15.3% | -0.5% |
Cumulative growth
Daily Returns
Daily percentage return beside AMGN.
Daily Out/Under-Performance
Portfolio return minus AMGN return. Positive bars indicate outperformance.
Daily Alpha
Portfolio daily return minus β × AMGN 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 AMGN 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 · Available span rolling