| Period | BKH | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | +0.17% | +0.58% | +1.25% | -0.40% |
| 5D | +1.30% | +0.76% | +2.36% | +0.53% |
| 1M | +15.21% | +0.55% | -2.09% | +14.67% |
| 3M | +10.14% | +5.53% | +8.98% | +4.61% |
| 6M | +6.71% | +7.11% | +8.00% | -0.41% |
| YTD | +15.35% | +12.68% | +17.62% | +2.67% |
| 1Y | +21.87% | +12.34% | +14.81% | +9.53% |
| 3Y | +67.16% | +85.23% | +106.51% | -18.06% |
| 5Y | +20.29% | +67.96% | +87.69% | -47.67% |