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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 May 21, 2027View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
2516645


COLB May 21, 2027 Exp. - Volume by Strike
Puts
Calls

COLB May 21, 2027 Exp. - Open Interest by Strike

Puts
Calls

COLB May 21, 2027 Exp. - Max Pain @ $25.00

Puts
Calls


COLB May 21, 2027 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
45.00 C00%0COLB270521C00045000
40.00 C00%0COLB270521C00040000
35.00 C0.65-18.75%31809-30COLB270521C00035000
30.00 C2.00-23.08%2514809-30COLB270521C00030000
25.00 C4.790%252509-30COLB270521C00025000
22.50 C00%0COLB270521C00022500
20.00 C00%0COLB270521C00020000
17.50 C00%0COLB270521C00017500
Puts
StrikePriceChangeVolOILastContract Name
45.00 P15.030%1109-22COLB270521P00045000
40.00 P00%0COLB270521P00040000
35.00 P00%0COLB270521P00035000
30.00 P3.35+24.54%1309-30COLB270521P00030000
25.00 P1.470%1109-24COLB270521P00025000
22.50 P0.600%1109-22COLB270521P00022500
20.00 P0.40-13.04%2309-28COLB270521P00020000
17.50 P00%0COLB270521P00017500


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