| Period | PKOH | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | -3.13% | -0.36% | -1.20% | -2.77% |
| 5D | -2.47% | +0.59% | +0.76% | -3.06% |
| 1M | -0.66% | -1.16% | -4.21% | +0.51% |
| 3M | -7.00% | -2.37% | -6.85% | -4.63% |
| 6M | +57.76% | +2.81% | -3.08% | +54.94% |
| YTD | +118.61% | +10.42% | +10.89% | +108.19% |
| 1Y | +138.21% | +13.32% | +12.63% | +124.88% |
| 3Y | +96.24% | +67.55% | +76.16% | +28.69% |
| 5Y | +94.56% | +60.75% | +71.08% | +33.81% |