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COLB
Columbia Banking Systems Inc
stock NASDAQ

At Close
Oct 1, 2026 3:59:57 PM EDT
28.73USD+0.455%(+0.13)3,280,769
27.35Bid   29.90Ask   2.55Spread
Pre-market
Oct 1, 2026 9:28:30 AM EDT
28.50USD-0.350%(-0.10)130
After-hours
Sep 29, 2026 4:08:30 PM EDT
28.69USD0.000%(0.00)0
OverviewOption ChainMax PainOption ChainPrice & VolumeSplitsDividendsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
Expiration Dates
Oct 16, 2026Nov 20, 2026Feb 19, 2027May 21, 2027

ITM/OTM for Nov 20, 2026View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
813,030104315


COLB Nov 20, 2026 Exp. - Volume by Strike
Puts
Calls

COLB Nov 20, 2026 Exp. - Open Interest by Strike

Puts
Calls

COLB Nov 20, 2026 Exp. - Max Pain @ $30.00

Puts
Calls


COLB Nov 20, 2026 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
40.00 C0.050.00%3478009-09COLB261120C00040000
35.00 C0.40+53.85%31,66309-10COLB261120C00035000
30.00 C0.65-23.53%2758709-30COLB261120C00030000
25.00 C5.40-10.74%86808-27COLB261120C00025000
22.50 C00%0COLB261120C00022500
20.00 C10.01+19.88%11204-17COLB261120C00020000
17.50 C00%0COLB261120C00017500
15.00 C14.20-12.07%1109-16COLB261120C00015000
Puts
StrikePriceChangeVolOILastContract Name
40.00 P00%0COLB261120P00040000
35.00 P4.53-42.80%5608-21COLB261120P00035000
30.00 P1.35-16.15%59809-25COLB261120P00030000
25.00 P0.250.00%226809-30COLB261120P00025000
22.50 P0.40+5.26%10707-09COLB261120P00022500
20.00 P0.35-40.68%1605-05COLB261120P00020000
17.50 P0.40+60.00%33405-13COLB261120P00017500
15.00 P00%0COLB261120P00015000


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