| Period | AMPH | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | -3.46% | -0.52% | -0.01% | -2.93% |
| 5D | -3.08% | -1.18% | -1.84% | -1.90% |
| 1M | -3.79% | -1.48% | -5.39% | -2.31% |
| 3M | +31.07% | +2.83% | +3.27% | +28.25% |
| 6M | +15.22% | +6.78% | +7.12% | +8.43% |
| YTD | -4.99% | +11.24% | +14.89% | -16.23% |
| 1Y | +4.58% | +10.91% | +12.15% | -6.33% |
| 3Y | -44.06% | +84.21% | +104.97% | -128.27% |
| 5Y | +32.88% | +66.67% | +85.80% | -33.80% |