| Period | BKH | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | +0.77% | -0.44% | +0.03% | +1.21% |
| 5D | -0.17% | -0.90% | -0.63% | +0.73% |
| 1M | -3.62% | -1.75% | -1.78% | -1.88% |
| 3M | -3.32% | +1.30% | -4.50% | -4.62% |
| 6M | +3.33% | +15.06% | +19.85% | -11.73% |
| YTD | +1.22% | +10.38% | +14.94% | -9.15% |
| 1Y | +20.53% | +14.39% | +19.44% | +6.14% |
| 3Y | +27.90% | +69.97% | +90.13% | -42.07% |
| 5Y | +9.35% | +73.73% | +92.70% | -64.38% |