COLB earnings date, and what happened the last 4 times

Next report

Thu Jan 21

Quality Score today 8

After the close, in 87 days. Expected: the company has not confirmed it.

COLB closed higher after 1 of its last 4 reports. On average it closed -1.1% the session after a report.

The moment COLB reports

Its figures, in plain words
How it moves after, beside its last four
Its Quality Score going in, and after

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What happened after COLB's last 4 reports

COLB's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Oct 22, 20262026 · After close	5	+1.7%	+3.2%	open
Jul 23, 20262026 · After close	13estimated	-3.8%	-3.4%	-3.1%
Apr 23, 20262026 · After close	9estimated	-2.0%	-1.4%	-0.2%
Jan 22, 20262026 · After close	14estimated	+2.1%	-2.7%	-2.1%

Oct 22, 2026, after the close: the next session COLB opened +1.7% and closed +3.2%. Its Quality Score going in was 5 (Below Average).
Jul 23, 2026, after the close: the next session COLB opened -3.8% and closed -3.4%, and five sessions on it stood -3.1%. Its Quality Score going in was 13 (Above Average), estimated.
Apr 23, 2026, after the close: the next session COLB opened -2.0% and closed -1.4%, and five sessions on it stood -0.2%. Its Quality Score going in was 9 (Average), estimated.
Jan 22, 2026, after the close: the next session COLB opened +2.1% and closed -2.7%, and five sessions on it stood -2.1%. Its Quality Score going in was 14 (Above Average), estimated.

Across these 4 reports COLB opened higher after 2 of 4 and closed higher after 1 of 4; on average it opened -0.5%, closed -1.1%, and stood -1.8% five sessions on. Its Quality Score is 8 today, against 5 going into its Oct 22, 2026 report.

Gap: where the stock opened the session after the report. Reaction: where that session closed. Both against the close before the report. The largest of the 4: -3.4% after the Jul 23, 2026 report. A score marked estimated was worked out afterwards from that day's prices and filings; Breakaway has recorded every score live since Sep 9 2026.

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Questions about COLB's earnings

As of Oct 26, 2026: Columbia Banking Systems (COLB): expected to report Thu Jan 21, after the close. COLB closed higher after 1 of its last 4 reports. Its Quality Score is 8 (Average). Scores as of 11:11 PM ET, 15 minutes behind.

When is COLB's next earnings date?

Expected to report Thu Jan 21, after the close, a date Breakaway expects from the company's usual timing; the company has not confirmed it. COLB closed higher after 1 of its last 4 reports. Past behavior, not a forecast.

Does COLB report before or after the market?

COLB is expected to report Thu Jan 21, after the close. Its last 4 reports came after the close.

How did COLB stock react to its last earnings report?

Oct 22, 2026, after the close: the next session COLB opened +1.7% and closed +3.2%.

Does COLB stock usually go up after earnings?

COLB closed higher after 1 of its last 4 reports. On average it closed -1.1% the session after a report, after opening -0.5%. Past behavior, not a forecast.

Columbia Banking Systems' page has its Quality Score, its chart, and its insiders' trades. Who reports this week: the earnings calendar.