| Period | AMPH | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | +2.14% | +0.32% | +0.62% | +1.82% |
| 5D | +1.76% | +0.02% | -0.38% | +1.73% |
| 1M | +14.60% | +3.63% | +4.19% | +10.97% |
| 3M | +13.89% | +1.50% | -3.38% | +12.39% |
| 6M | +8.65% | +11.65% | +17.03% | -3.00% |
| YTD | -16.93% | +12.11% | +15.92% | -29.04% |
| 1Y | -27.55% | +18.72% | +24.12% | -46.27% |
| 3Y | -58.49% | +72.99% | +93.78% | -131.47% |
| 5Y | +13.89% | +70.11% | +89.00% | -56.22% |