Columbia Banking System Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 23, 2026	30.39	31.02	30.20	30.85	30.85	3.21%	2,530,648
Oct 22, 2026	29.17	29.90	28.97	29.89	29.89	2.36%	3,366,413
Oct 21, 2026	29.11	29.24	28.91	29.20	29.20	0.72%	2,287,662
Oct 20, 2026	28.39	29.16	28.39	28.99	28.99	2.33%	2,122,053
Oct 19, 2026	28.36	28.51	28.26	28.33	28.33	-0.39%	2,218,600
Oct 16, 2026	28.75	29.34	28.38	28.44	28.44	-0.66%	3,695,828
Oct 15, 2026	28.15	28.65	27.98	28.63	28.63	2.14%	2,249,151
Oct 14, 2026	27.73	28.10	27.65	28.03	28.03	-0.71%	2,984,133
Oct 13, 2026	28.58	28.75	28.04	28.23	28.23	-0.98%	2,933,247
Oct 12, 2026	28.39	28.64	28.32	28.51	28.51	0.49%	1,795,101
Oct 9, 2026	28.51	28.53	28.19	28.37	28.37	-0.56%	1,598,265
Oct 8, 2026	28.07	28.55	27.91	28.53	28.53	0.96%	3,449,458
Oct 7, 2026	28.91	28.91	27.96	28.26	28.26	-2.18%	3,195,031
Oct 6, 2026	28.97	29.17	28.75	28.89	28.89	0.17%	2,431,208
Oct 5, 2026	29.00	29.10	28.61	28.84	28.84	-0.28%	2,597,752
Oct 2, 2026	28.95	29.25	28.80	28.92	28.92	0.66%	2,376,443
Oct 1, 2026	28.42	28.83	27.96	28.73	28.73	0.45%	3,280,768
Sep 30, 2026	28.70	29.00	28.49	28.60	28.60	-0.31%	2,446,902
Sep 29, 2026	29.07	29.20	28.52	28.69	28.69	-1.27%	3,574,688
Sep 28, 2026	29.60	29.60	29.03	29.06	29.06	-1.96%	2,045,705
Sep 25, 2026	29.43	29.81	29.30	29.64	29.64	1.58%	1,821,196
Sep 24, 2026	28.89	29.25	28.76	29.18	29.18	1.14%	2,822,269
Sep 23, 2026	29.34	29.49	28.82	28.85	28.85	-1.67%	2,581,281
Sep 22, 2026	29.93	30.10	29.34	29.34	29.34	-1.87%	2,580,513
Sep 21, 2026	30.06	30.31	29.82	29.90	29.90	-0.10%	2,130,302
Sep 18, 2026	29.85	29.97	29.59	29.93	29.93	-0.05%	6,457,154
Sep 17, 2026	30.10	30.33	29.82	29.95	29.95	0.76%	2,166,336
Sep 16, 2026	30.23	30.26	29.18	29.72	29.72	-1.43%	2,829,548
Sep 15, 2026	30.11	30.53	30.09	30.15	30.15	0.13%	2,407,151
Sep 14, 2026	29.99	30.55	29.90	30.11	30.11	-	2,897,348
Sep 11, 2026	30.40	30.45	29.68	30.11	30.11	0.23%	2,587,002
Sep 10, 2026	29.75	30.13	29.44	30.04	30.04	0.67%	3,492,683
Sep 9, 2026	30.15	30.44	29.70	29.84	29.84	-1.42%	2,692,746
Sep 8, 2026	30.81	30.82	30.24	30.27	30.27	-1.72%	3,433,165
Sep 4, 2026	30.35	30.91	30.35	30.80	30.80	1.15%	2,305,311
Sep 3, 2026	30.09	30.56	30.09	30.45	30.45	1.23%	2,927,399
Sep 2, 2026	29.44	30.41	29.44	30.08	30.08	2.59%	3,838,668
Sep 1, 2026	29.76	30.20	29.22	29.32	29.32	-1.08%	3,954,757
Aug 31, 2026	30.13	30.13	29.60	29.64	29.64	-1.43%	2,374,871
Aug 28, 2026	30.41	30.59	30.02	30.07	30.07	-0.82%	2,649,682
Aug 27, 2026	30.51	30.76	30.25	30.69	30.32	-0.07%	2,207,899
Aug 26, 2026	30.67	30.88	30.45	30.71	30.34	0.59%	2,523,705
Aug 25, 2026	30.90	30.90	30.37	30.53	30.16	-0.36%	2,332,954
Aug 24, 2026	30.81	31.08	30.59	30.64	30.27	-0.55%	2,428,267
Aug 21, 2026	31.01	31.23	30.61	30.81	30.44	-0.10%	1,991,410
Aug 20, 2026	30.97	31.10	30.76	30.84	30.47	-0.74%	2,771,870
Aug 19, 2026	32.19	32.35	30.91	31.07	30.70	-3.33%	5,157,396
Aug 18, 2026	32.37	32.49	32.02	32.14	31.75	-0.62%	2,956,601
Aug 17, 2026	32.69	32.83	32.30	32.34	31.95	-1.07%	2,609,411
Aug 14, 2026	32.46	32.78	32.31	32.69	32.30	0.77%	2,543,430