First Interstate BancSystem, Inc. (FIBK:NASDAQ) closed at $36.78 on October 23, 2026, down 0.27% on the day. The stock trades 9.4% below its 52-week high of $40.60 and 25.1% above its 52-week low of $29.39. Over the past year, it gained 16.3%. First Interstate BancSystem, Inc. is part of the Finance sector (Major Banks).
In 252 trading sessions since October 23, 2025, FIBK closed higher on 126 days (50%). Its best day was January 21, 2026 (+5.37%) and its worst was February 27, 2026 (-5.93%). It never moved 10% or more in a single session. It opened at least 5% above the previous day's high 1 time.
First Interstate BancSystem, Inc. operates as the bank holding company for First Interstate Bank that provides range of banking products and services in the United States. Its deposit products include checking, savings, time, and demand deposits; and repurchase agreements primarily for commercial and municipal depositors. The company's loan portfolio consists of real estate loans, including commercial real estate, construction, residential, agricultural, and other real estate loans; consumer loans; commercial loans; and other loans, including fixed and variable rate loans. It also provides a range of trust, employee benefit, investment management, insurance, agency, and custodial services to individuals, businesses, and nonprofit organizations, which include the administration of estates and personal trusts; management of investment accounts for individuals, employee benefit plans, and charitable foundations; and insurance planning. In addition, the company offers Internet and mobile banking services. It serves individuals, businesses, municipalities, and other entities in various industries, including energy, healthcare and professional services, education and governmental service...
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Based on end-of-day data. For information only, not investment advice.