NorthWestern Energy Group Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 20, 2026	70.71	71.02	70.37	71.02	-	0.62%	15,170
Aug 19, 2026	71.41	71.41	70.18	70.58	70.58	-0.04%	389,002
Aug 18, 2026	71.35	71.50	70.45	70.61	70.61	-0.30%	355,873
Aug 17, 2026	70.80	70.98	70.00	70.82	70.82	-0.45%	275,629
Aug 14, 2026	71.18	71.98	71.18	71.81	71.14	0.41%	234,371
Aug 13, 2026	71.04	72.26	71.04	71.52	70.85	1.36%	402,901
Aug 12, 2026	71.24	71.33	70.51	70.56	69.90	-0.13%	494,310
Aug 11, 2026	71.40	71.80	70.37	70.65	69.99	-0.80%	388,931
Aug 10, 2026	71.50	71.50	70.52	71.22	70.56	-1.21%	315,220
Aug 7, 2026	69.80	72.69	69.58	72.09	71.42	2.59%	469,500
Aug 6, 2026	70.08	71.23	69.54	70.27	69.61	1.63%	608,993
Aug 5, 2026	70.30	70.30	68.46	69.14	68.49	-1.03%	253,873
Aug 4, 2026	68.57	69.99	68.30	69.86	69.21	1.39%	282,973
Aug 3, 2026	69.38	69.75	68.49	68.90	68.26	0.23%	312,138
Jul 31, 2026	69.62	69.74	68.53	68.74	68.10	-1.42%	433,141
Jul 30, 2026	70.03	71.07	69.51	69.73	69.08	-1.25%	320,282
Jul 29, 2026	71.86	72.54	70.29	70.61	69.95	-2.32%	398,667
Jul 28, 2026	73.00	73.48	72.27	72.29	71.62	0.12%	331,186
Jul 27, 2026	72.86	73.29	71.99	72.20	71.53	-0.91%	314,712
Jul 24, 2026	73.04	73.39	72.37	72.86	72.18	0.43%	558,543
Jul 23, 2026	71.31	72.91	71.21	72.55	71.87	0.03%	286,444
Jul 22, 2026	72.71	72.71	71.76	72.53	71.85	1.02%	278,174
Jul 21, 2026	71.67	71.90	70.85	71.80	71.13	-0.11%	284,589
Jul 20, 2026	71.81	72.86	71.63	71.88	71.21	-0.25%	176,112
Jul 17, 2026	73.25	74.12	71.89	72.06	71.39	-1.65%	335,762
Jul 16, 2026	72.30	73.37	72.30	73.27	72.59	2.16%	519,026
Jul 15, 2026	72.90	73.20	71.62	71.72	71.05	-1.63%	317,517
Jul 14, 2026	73.55	74.13	72.38	72.91	72.23	-0.40%	238,961
Jul 13, 2026	72.70	73.82	72.70	73.20	72.52	0.67%	470,621
Jul 10, 2026	70.47	73.18	70.47	72.71	72.03	2.65%	422,675
Jul 9, 2026	70.18	71.36	70.18	70.83	70.17	0.71%	423,511
Jul 8, 2026	70.76	71.59	70.19	70.33	69.67	-0.59%	305,778
Jul 7, 2026	70.58	71.81	70.11	70.75	70.09	1.52%	252,634
Jul 6, 2026	70.72	71.53	69.67	69.69	69.04	-2.29%	344,800
Jul 2, 2026	71.45	72.08	70.97	71.32	70.65	-0.18%	447,654
Jul 1, 2026	71.62	72.30	70.87	71.45	70.78	-0.24%	506,039
Jun 30, 2026	72.55	72.63	71.57	71.62	70.95	-1.24%	490,078
Jun 29, 2026	72.04	72.86	71.48	72.52	71.84	-1.23%	610,681
Jun 26, 2026	71.99	73.82	71.70	73.42	72.73	2.77%	1,799,833
Jun 25, 2026	71.05	72.11	71.05	71.44	70.77	-0.43%	343,803
Jun 24, 2026	70.95	71.82	70.73	71.75	71.08	1.13%	467,318
Jun 23, 2026	70.22	71.15	69.86	70.95	70.29	1.42%	453,155
Jun 22, 2026	69.87	70.57	69.71	69.96	69.31	0.11%	655,826
Jun 18, 2026	69.81	70.31	69.06	69.88	69.23	0.92%	849,188
Jun 17, 2026	69.98	70.44	68.88	69.24	68.59	-1.87%	379,871
Jun 16, 2026	70.92	71.68	69.68	70.56	69.90	-0.30%	516,637
Jun 15, 2026	69.80	71.16	69.80	70.77	70.11	0.55%	481,287
Jun 12, 2026	69.56	71.37	69.56	71.05	69.72	2.29%	615,580
Jun 11, 2026	70.29	71.32	69.43	69.46	68.16	-0.37%	497,219
Jun 10, 2026	67.20	70.19	67.20	69.72	68.42	6.15%	798,855