First Interstate BancSystem (FIBK) Short Interest Ratio & Short Volume $32.32 -0.51 (-1.54%) As of 10:37 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock First Interstate BancSystem Short Interest DataFirst Interstate BancSystem (FIBK) has a short interest of 3.02 million shares. This marks a 3.78% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.3, indicating that it would take 3.3 days of the average trading volume of 814,926 shares to cover all short positions.Current Short Interest3,020,000 sharesPrevious Short Interest2,910,000 sharesChange Vs. Previous Month+3.78%Dollar Volume Sold Short$90.72 millionShort Interest Ratio3.3 Days to CoverLast Record DateAugust 15, 2025Outstanding Shares104,860,000 sharesPercentage of Shares Shorted2.88%Today's Trading Volume38,650 sharesAverage Trading Volume814,926 sharesToday's Volume Vs. Average5% Short Selling First Interstate BancSystem? Sign up to receive the latest short interest report for First Interstate BancSystem and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartFIBK Short Interest Over TimeFIBK Days to Cover Over TimeFIBK Percentage of Float Shorted Over Time First Interstate BancSystem Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 8/15/20253,020,000 shares $90.72 million +3.8%N/A3.3 $30.04 7/31/20252,910,000 shares $83.78 million -18.9%3.0%3.1 $28.79 7/15/20253,590,000 shares $107.66 million -11.4%N/A3.9 $29.99 6/30/20254,050,000 shares $116.72 million +0.8%4.2%4 $28.82 6/15/20254,020,000 shares $107.25 million +13.2%4.2%4.3 $26.68 5/31/20253,550,000 shares $96.10 million +23.7%3.6%3.8 $27.07 5/15/20252,870,000 shares $79.47 million -4.3%2.9%3.3 $27.69 4/30/20253,000,000 shares $78.57 million +0.3%N/A3.7 $26.19 4/15/20252,990,000 shares $77.11 million -5.4%3.1%4.1 $25.79 3/31/20253,160,000 shares $90.53 million +16.2%3.2%4.5 $28.65 Get the Latest News and Ratings for FIBK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for First Interstate BancSystem and its competitors with MarketBeat's FREE daily newsletter. 3/15/20252,720,000 shares $78.47 million +11.5%2.8%4.2 $28.85 2/28/20252,440,000 shares $74.91 million +3.4%2.5%3.9 $30.70 2/15/20252,360,000 shares $77.15 million -12.6%2.4%3.8 $32.69 1/31/20252,700,000 shares $88.97 million +1.9%N/A4.2 $32.95 1/15/20252,650,000 shares $85.83 million +5.6%N/A4.1 $32.39 12/31/20242,510,000 shares $81.50 million +7.7%N/A4 $32.47 12/15/20242,330,000 shares $79.41 million +0.9%N/A3.8 $34.08 11/30/20242,310,000 shares $80.78 million +0.4%N/A4 $34.97 11/15/20242,300,000 shares $76.22 million +7.5%N/A4.1 $33.14 10/31/20242,140,000 shares $65.91 million -0.9%N/A4.1 $30.80 10/15/20242,160,000 shares $68.34 million -1.4%N/A4.2 $31.64 9/30/20242,190,000 shares $67.19 million -16.1%N/A3.8 $30.68 9/15/20242,610,000 shares $78.82 million +0.8%N/A4.2 $30.20 8/31/20242,590,000 shares $80.42 million +12.1%N/A4.1 $31.05 8/15/20242,310,000 shares $66.74 million +7.9%N/A3.6 $28.89 7/31/20242,140,000 shares $67.56 million -15.4%N/A3.3 $31.57 7/15/20242,530,000 shares $75.75 million +15.0%N/A3.9 $29.94 6/30/20242,200,000 shares $61.09 million +8.9%N/A3.7 $27.77 6/15/20242,020,000 shares $50.96 million -11.0%N/A3.3 $25.23 5/31/20242,270,000 shares $60.25 million -4.6%N/A3.3 $26.54 5/15/20242,380,000 shares $66.31 million -15.9%N/A3.2 $27.86 4/30/20242,830,000 shares $75.56 million -1.7%N/A3.4 $26.70 4/15/20242,880,000 shares $71.60 million +5.9%N/A3.2 $24.86 3/31/20242,720,000 shares $74.01 million +17.8%N/A3.1 $27.21 3/15/20242,310,000 shares $58.24 million +1.3%N/A2.8 $25.21 2/29/20242,280,000 shares $60.01 million +10.7%N/A2.9 $26.32 2/15/20242,060,000 shares $55.17 million -22.0%N/A2.8 $26.78 1/31/20242,640,000 shares $72.65 million -4.0%N/A4 $27.52 1/15/20242,750,000 shares $79.94 million -6.1%N/A4.6 $29.07 12/31/20232,930,000 shares $90.10 million -3.9%N/A4.5 $30.75 12/15/20233,050,000 shares $96.59 million +12.6%N/A4.7 $31.67 11/30/20232,710,000 shares $70.16 million -12.9%N/A4.4 $25.89 11/15/20233,110,000 shares $80.05 million +20.5%N/A5.1 $25.74 10/31/20232,580,000 shares $59.52 million -4.8%N/A4.2 $23.07 10/15/20232,710,000 shares $62.28 million -11.4%N/A4.1 $22.98 9/30/20233,060,000 shares $76.32 million +13.3%N/A4.6 $24.94 9/15/20232,700,000 shares $69.26 million -16.2%N/A3.9 $25.65 8/31/20233,220,000 shares $83.43 million -2.4%N/A4.2 $25.91 8/15/20233,300,000 shares $89.53 million -8.3%N/A4.2 $27.13 7/31/20233,600,000 shares $103.43 million +9.4%N/A4.4 $28.73 7/15/20233,290,000 shares $81.79 million -3.2%N/A3.7 $24.86 6/30/20233,400,000 shares $81.06 million +21.0%N/A4.2 $23.84 6/15/20232,810,000 shares $72.36 million -3.1%N/A3.6 $25.75 5/31/20232,900,000 shares $63.95 million +4.7%N/A3.5 $22.05 5/15/20232,770,000 shares $61.63 million -6.1%N/A3.3 $22.25 4/30/20232,950,000 shares $75.49 million -6.4%N/A3.7 $25.59 4/15/20233,150,000 shares $90.56 million +15.0%N/A3.9 $28.75 3/31/20232,740,000 shares $81.82 million +11.4%N/A3.5 $29.86 3/15/20232,460,000 shares $77.22 million +40.6%N/A3.3 $31.39 2/28/20231,750,000 shares $62.20 million -10.3%N/A2.7 $35.54 2/15/20231,950,000 shares $72.75 million No ChangeN/A3.3 $37.31 1/31/20231,950,000 shares $69.97 million +7.1%N/A3.3 $35.88 1/15/20231,820,000 shares $71.71 million -5.2%N/A3.8 $39.40 12/30/20221,920,000 shares $74.21 million -7.3%N/A4 $38.65 12/15/20222,070,000 shares $79.01 million +3.0%N/A3.9 $38.17 11/30/20222,010,000 shares $87.68 million +4.2%N/A3.6 $43.62 11/15/20221,930,000 shares $84.63 million -18.6%N/A3.2 $43.85 10/31/20222,370,000 shares $108.10 million -12.9%N/A3.8 $45.61 10/15/20222,720,000 shares $117.07 million +0.4%N/A4.2 $43.04 9/30/20222,710,000 shares $109.35 million +3.0%N/A4.2 $40.35 9/15/20222,630,000 shares $109.78 million +11.0%N/A3.9 $41.74 8/31/20222,370,000 shares $95.42 million +1.3%N/A3.5 $40.26 8/15/20222,340,000 shares $97.70 million -16.7%N/A3.2 $41.75 7/31/20222,810,000 shares $114.59 million +4.1%N/A3.8 $40.78 7/15/20222,700,000 shares $102.55 million -12.6%N/A3.5 $37.98 6/30/20223,090,000 shares $117.76 million +22.1%N/A4 $38.11 6/15/20222,530,000 shares $93.03 million +10.0%N/A3.2 $36.77 5/31/20222,300,000 shares $87.56 million +12.8%N/A2.9 $38.07 5/15/20222,040,000 shares $69.81 million -1.5%N/A2.5 $34.22 4/30/20222,070,000 shares $67.32 million +8.4%N/A2.3 $32.52 4/15/20221,910,000 shares $65.61 million -5.5%N/A1.9 $34.35 3/31/20222,020,000 shares $74.28 million +3.6%N/A0 $36.77 3/15/20221,950,000 shares $76.52 million +30.0%N/A2 $39.24 2/28/20221,500,000 shares $60.90 million -17.6%N/A1.7 $40.60 2/15/20221,820,000 shares $69.32 million -70.6%N/A2.3 $38.09 1/31/20226,190,000 shares $227.48 million +21.4%N/A9.3 $36.75 1/15/20225,100,000 shares $225.83 million -2.7%N/A0 $44.28 12/31/20215,240,000 shares $213.11 million +18.3%13.2%13.5 $40.67 12/15/20214,430,000 shares $177.60 million +2.6%11.2%10.8 $40.09 11/30/20214,320,000 shares $176.26 million +0.7%10.9%9.6 $40.80 11/15/20214,290,000 shares $187.26 million -4.2%10.8%10.3 $43.65 10/29/20214,480,000 shares $186.23 million +6.2%11.3%11.6 $41.57 10/15/20214,220,000 shares $171.80 million +50.2%10.7%12 $40.71 9/30/20212,810,000 shares $113.13 million +205.9%7.1%8.5 $40.26 9/15/2021918,600 shares $38.88 million +1.4%2.3%3.5 $42.32 8/31/2021905,900 shares $39.91 million -3.8%2.3%5.5 $44.06 8/13/2021941,600 shares $42.06 million +16.5%2.4%5.5 $44.67 7/30/2021808,100 shares $33.88 million -8.4%2.0%4.6 $41.92 7/15/2021882,000 shares $37.87 million +12.6%2.2%4.9 $42.94 6/30/2021783,100 shares $32.76 million +0.5%2.0%4.6 $41.83 6/15/2021778,900 shares $34.92 million -14.2%2.0%5.1 $44.83 5/28/2021908,100 shares $42.74 million -10.1%2.3%5.5 $47.07 5/14/20211,010,000 shares $47.70 million -11.4%2.5%5.4 $47.23 4/30/20211,140,000 shares $54.53 million +1.8%2.9%5.7 $47.83 4/15/20211,120,000 shares $52.67 million -0.9%N/A0 $47.03 3/31/20211,130,000 shares $52.48 million -16.9%2.9%5.2 $46.44 3/15/20211,360,000 shares $69.12 million +1.5%3.5%5.9 $50.82 2/26/20211,340,000 shares $62.42 million -4.3%3.4%6.2 $46.58 2/12/20211,400,000 shares $59.98 million +2.9%3.5%6.8 $42.84 1/29/20211,360,000 shares $54.25 million -8.7%3.4%6.8 $39.89 1/15/20211,490,000 shares $63.46 million -11.8%3.8%7.3 $42.59 12/31/20201,690,000 shares $68.53 million No Change4.2%8.2 $40.55 12/15/20201,690,000 shares $67.68 million +10.5%4.2%7.5 $40.05 11/30/20201,530,000 shares $60.97 million +3.4%3.9%6.4 $39.85 11/15/20201,480,000 shares $56.42 million -13.5%3.7%5.8 $38.12 10/30/20201,710,000 shares $61.13 million -12.8%4.3%6.7 $35.75 10/15/20201,960,000 shares $68.42 million +12.6%4.8%8 $34.91 9/30/20201,740,000 shares $55.42 million +27.9%4.2%7.5 $31.85 9/15/20201,360,000 shares $43.45 million +12.4%3.3%5.6 $31.95 FIBK Short Interest - Frequently Asked Questions What is First Interstate BancSystem's current short interest? Short interest is the volume of First Interstate BancSystem shares that have been sold short but have not yet been covered or closed out. As of August 15th, traders have sold 3,020,000 shares of FIBK short. Learn More on First Interstate BancSystem's current short interest. What is a good short interest ratio for First Interstate BancSystem? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. FIBK shares currently have a short interest ratio of 3.0. Learn More on First Interstate BancSystem's short interest ratio. Is First Interstate BancSystem's short interest increasing or decreasing? First Interstate BancSystem saw a increase in short interest during the month of August. As of August 15th, there was short interest totaling 3,020,000 shares, an increase of 3.8% from the previous total of 2,910,000 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. How does First Interstate BancSystem's short interest compare to its competitors? Here is how the short interest of companies in the sector of "finance" compare to First Interstate BancSystem: Banner Corporation (2.48%), Cathay General Bancorp (2.45%), Hancock Whitney Corporation (4.58%), Origin Bancorp, Inc. (1.43%), Old National Bancorp (4.26%), Pacific Premier Bancorp Inc (1.70%), United Bankshares, Inc. (2.23%), Associated Banc-Corp (3.49%), F.N.B. Corporation (2.25%), First Horizon Corporation (1.97%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Lucid Group, Inc. ($8.00 billion), Spotify Technology ($5.48 billion), AppLovin Corporation ($5.11 billion), Reddit Inc. ($5.02 billion), Coinbase Global, Inc. ($3.99 billion), Charter Communications, Inc. ($3.89 billion), Live Nation Entertainment, Inc. ($3.18 billion), Seagate Technology Holdings PLC ($2.59 billion), ResMed Inc. ($2.55 billion), and Rocket Lab Corporation ($2.52 billion). View all of the most shorted stocks. What does it mean to sell short First Interstate BancSystem stock? Short selling FIBK is an investing strategy that aims to generate trading profit from First Interstate BancSystem as its price is falling. FIBK shares are trading down $0.51 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against First Interstate BancSystem? A short squeeze for First Interstate BancSystem occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of FIBK, which in turn drives the price of the stock up even further. How often is First Interstate BancSystem's short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including FIBK, twice per month. The most recent reporting period available is August, 15 2025. More Short Interest Resources from MarketBeat Related Companies Banner Short Squeeze Cathay General Bancorp Short Squeeze Hancock Whitney Short Squeeze Origin Bancorp Short Squeeze Old National Bancorp Short Squeeze Pacific Premier Bancorp Short Squeeze United Bankshares Short Squeeze Associated Banc Short Squeeze F.N.B. Short Squeeze First Horizon Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:FIBK) was last updated on 9/5/2025 by MarketBeat.com Staff From Our Partners“Sell Nvidia before earnings”Eric Fry just went live with one of his most controversial calls yet: “Sell Nvidia.” While Wall Street has bee...InvestorPlace | SponsoredHow “Trump’s New Dollar” Could Impact Your WealthPresident Trump just signed a game-changing law… That could soon upgrade the U.S. dollar in your checking a...Brownstone Research | SponsoredForget Tesla — This Tiny AI Stock Is Musk’s Real PlayWhile Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...Behind the Markets | SponsoredRetire Comfortably with These New Monthly Income ETFs?Too many retirees lie awake at night, worried their savings won’t last. 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