NASDAQ · COLB

Columbia Banking System, Inc.

Financial Services · Banks - Regional

$29.06

Down-$0.58 (-1.96%)

Updated Sep 29, 2026, 7:07 AM

SID Score

5.6/10

Composite research score

Smart Money

58/100

Neutral

Price performance · COLB

COLB price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Sep 28, 2026

Daily close

View OHLC price history

COLB OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Sep 28, 2026	$29.60	$29.60	$29.025	$29.06	2.04M
Sep 25, 2026	$29.43	$29.81	$29.30	$29.64	1.85M
Sep 24, 2026	$28.89	$29.25	$28.76	$29.18	2.93M
Sep 23, 2026	$29.34	$29.49	$28.82	$28.85	2.6M
Sep 22, 2026	$29.93	$30.10	$29.335	$29.34	2.58M
Sep 21, 2026	$30.06	$30.31	$29.82	$29.90	2.19M
Sep 18, 2026	$29.85	$29.97	$29.585	$29.93	6.48M
Sep 17, 2026	$30.10	$30.33	$29.82	$29.945	2.19M
Sep 16, 2026	$30.23	$30.26	$29.18	$29.72	2.83M
Sep 15, 2026	$30.11	$30.53	$30.09	$30.15	2.41M
Sep 14, 2026	$29.99	$30.55	$29.90	$30.11	2.9M
Sep 11, 2026	$30.40	$30.45	$29.68	$30.11	2.59M
Sep 10, 2026	$29.75	$30.13	$29.44	$30.04	3.49M
Sep 9, 2026	$30.15	$30.44	$29.70	$29.84	2.69M
Sep 8, 2026	$30.81	$30.82	$30.24	$30.27	3.43M
Sep 4, 2026	$30.35	$30.905	$30.35	$30.80	2.31M
Sep 3, 2026	$30.085	$30.56	$30.085	$30.45	2.93M
Sep 2, 2026	$29.44	$30.405	$29.44	$30.08	3.84M
Sep 1, 2026	$29.76	$30.20	$29.22	$29.32	3.95M
Aug 31, 2026	$30.125	$30.13	$29.60	$29.64	2.37M