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FIBK
First Interstate BancSystem, Inc. Common Stock (DE)
stock NASDAQ

At Close
Aug 14, 2026 3:59:57 PM EDT
39.16USD+0.824%(+0.32)884,389
0.00Bid   0.00Ask   0.00Spread
Pre-market
Aug 14, 2026 8:43:30 AM EDT
38.90USD+0.154%(+0.06)877
After-hours
Aug 14, 2026 4:57:30 PM EDT
38.79USD-0.945%(-0.37)600
OverviewOption ChainMax PainOption ChainPrice & VolumeDividendsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
Expiration Dates
Aug 21, 2026Sep 18, 2026Dec 18, 2026Mar 19, 2027

ITM/OTM for Aug 21, 2026View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
864034


FIBK Aug 21, 2026 Exp. - Volume by Strike
Puts
Calls

FIBK Aug 21, 2026 Exp. - Open Interest by Strike

Puts
Calls

FIBK Aug 21, 2026 Exp. - Max Pain @ $35.00

Puts
Calls


FIBK Aug 21, 2026 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
55.00 C00%0FIBK260821C00055000
50.00 C00%0FIBK260821C00050000
45.00 C0.050%5507-27FIBK260821C00045000
40.00 C0.50-7.41%215908-04FIBK260821C00040000
35.00 C2.95-37.89%1108-11FIBK260821C00035000
30.00 C00%0FIBK260821C00030000
25.00 C00%0FIBK260821C00025000
22.50 C00%0FIBK260821C00022500
20.00 C18.60-4.37%10708-03FIBK260821C00020000
Puts
StrikePriceChangeVolOILastContract Name
55.00 P00%0FIBK260821P00055000
50.00 P00%0FIBK260821P00050000
45.00 P00%0FIBK260821P00045000
40.00 P00%0FIBK260821P00040000
35.00 P0.25-16.67%23408-07FIBK260821P00035000
30.00 P00%0FIBK260821P00030000
25.00 P00%0FIBK260821P00025000
22.50 P00%0FIBK260821P00022500
20.00 P00%0FIBK260821P00020000


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