Columbia Banking System, Inc. · Brief

Next report

82 days

Jan 21 · after closeest.Q4 FY26

Expected move

±11.8%implied · straddle

27.0934.31

spot 30.70exp Feb 19ATM strike 30ATM straddle 4.25IV 32%

Oct 30 closeprovisional

Expected move

2 reportsHistory

—≥ implied

Q2 FY26—▼−3.44%—

Oct 22 '26±5.1%▲+3.23%×0.63

quarterimplied−10%0+10%realized×

Oct '26±5.1%▲+3.23%×0.63

Q2 FY26—▼−3.44%—

Shaded = implied · tick ▲▼ = realized · × = |realized| ÷ impliedSource: options EOD · implied at prior close · realized close to close

Jan 21 report · est.

Bull2

551managers reporting a position in the latest quarterly filings13F · Jun 30 '26

9disclosed supplier and customer ties in SEC filingsSEC filings

Bear2

14 of 23of the largest reporting managers cut their stake in the latest quarter13F · Jun 30 '26

4tracked funds holding COLBN-PORT · Aug 31 '26

AI captions · Oct 26 '26once per report · top 2 per case

COLB report session

No linked exposure.

Oct 22impliedImplied move: ±5.1% into Oct 22 earnings (Oct 22 close).Source

Oct 15impliedImplied move: ±7.8% into Oct 29 earnings (Oct 15 close).Source

privateThesis 0 · Decisions 0 · Observations 0

No thesis.