First Interstate Bancsystem (FIBK) Other interest income (2021 - 2026)

First Interstate Bancsystem (FIBK) has 6 years of Other interest income data on file, last reported at $1.2 million in Q1 2026.

• Quarterly Other interest income fell 58.62% year-over-year to $1.2 million in Q1 2026, while the trailing twelve-month figure through Mar 2026 was $5.7 million (down 50.0% YoY) and the FY2025 annual result came in at $7.4 million, down 37.29% from the prior year.
• Other interest income improved to $1.2 million in Q1 2026 per FIBK's latest filing, from $1.1 million in the prior quarter.
• Across five years, Other interest income topped out at $3.4 million in Q2 2023 and bottomed at $400000.0 in Q1 2022.
• The 5-year median for Other interest income is $2.4 million (2024), against an average of $2.2 million.
• The widest annual swing landed in 2023, when Other interest income jumped 650.0%; it then sank 58.62% in 2026.
• Tracing FIBK's Other interest income over 5 years: stood at $2.0 million in 2022, then jumped by 55.0% to $3.1 million in 2023, then dropped by 22.58% to $2.4 million in 2024, then plunged by 54.17% to $1.1 million in 2025, then advanced by 9.09% to $1.2 million in 2026.
• Per Business Quant, the three latest FIBK Other interest income figures stand at $1.2 million (Q1 2026), $1.1 million (Q4 2025), and $1.3 million (Q3 2025).

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