| Period | FIBK | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | +2.45% | +0.71% | +1.11% | +1.74% |
| 5D | +5.63% | -1.00% | -1.79% | +6.63% |
| 1M | +3.72% | -0.03% | -3.30% | +3.75% |
| 3M | -1.08% | +3.31% | +5.43% | -4.38% |
| 6M | +9.44% | +7.56% | +7.65% | +1.88% |
| YTD | +6.74% | +12.03% | +16.16% | -5.29% |
| 1Y | +17.13% | +11.69% | +13.39% | +5.43% |
| 3Y | +65.19% | +86.37% | +106.25% | -21.18% |
| 5Y | -11.36% | +68.61% | +87.42% | -79.97% |