| Period | PKOH | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | -0.96% | -0.52% | -0.01% | -0.44% |
| 5D | -7.13% | -1.18% | -1.84% | -5.95% |
| 1M | -10.78% | -1.48% | -5.39% | -9.31% |
| 3M | +9.62% | +2.83% | +3.27% | +6.79% |
| 6M | +45.19% | +6.78% | +7.12% | +38.41% |
| YTD | +106.16% | +11.24% | +14.89% | +94.92% |
| 1Y | +109.38% | +10.91% | +12.15% | +98.47% |
| 3Y | +91.51% | +84.21% | +104.97% | +7.30% |
| 5Y | +80.77% | +66.67% | +85.80% | +14.09% |