| Period | AMPH | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | +1.73% | -0.36% | -1.20% | +2.10% |
| 5D | +1.07% | +0.59% | +0.76% | +0.47% |
| 1M | +13.53% | -1.16% | -4.21% | +14.69% |
| 3M | +40.80% | -2.37% | -6.85% | +43.16% |
| 6M | +64.81% | +2.81% | -3.08% | +62.00% |
| YTD | +11.00% | +10.42% | +10.89% | +0.58% |
| 1Y | +12.87% | +13.32% | +12.63% | -0.45% |
| 3Y | -47.71% | +67.55% | +76.16% | -115.26% |
| 5Y | +38.15% | +60.75% | +71.08% | -22.60% |