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COLB
Columbia Banking Systems Inc
stock NASDAQ

At Close

Aug 14, 2026 3:59:59 PM EDT

32.70USD+0.801%(+0.26)2,543,430

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-32.44)0

After-hours

Aug 14, 2026 4:07:30 PM EDT

32.73USD+0.092%(+0.03)492

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Nov 20, 2026 Feb 19, 2027

ITM/OTM for Sep 18, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
3	10	6	13

COLB Sep 18, 2026 Exp. - Volume by Strike

Puts

Calls

COLB Sep 18, 2026 Exp. - Open Interest by Strike

Puts

Calls

COLB Sep 18, 2026 Exp. - Max Pain @ $35.00

Puts

Calls

COLB Sep 18, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
45.00 C	0	0%	0			COLB260918C00045000
40.00 C	0	0%	0			COLB260918C00040000
35.00 C	0.15	+25.00%	5	10	08-13	COLB260918C00035000
30.00 C	1.83	0%	3	3	07-27	COLB260918C00030000
25.00 C	0	0%	0			COLB260918C00025000
22.50 C	0	0%	0			COLB260918C00022500
20.00 C	0	0%	0			COLB260918C00020000
17.50 C	0	0%	0			COLB260918C00017500

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
45.00 P	0	0%	0			COLB260918P00045000
40.00 P	0	0%	0			COLB260918P00040000
35.00 P	2.95	0%	6	6	07-20	COLB260918P00035000
30.00 P	0.30	-57.14%	1	12	08-13	COLB260918P00030000
25.00 P	0.25	0%	1	1	07-23	COLB260918P00025000
22.50 P	0	0%	0			COLB260918P00022500
20.00 P	0	0%	0			COLB260918P00020000
17.50 P	0	0%	0			COLB260918P00017500

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