NorthWestern Energy Group Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 9, 2026	71.84	71.84	70.84	70.84	-	-1.32%	68,551
Sep 8, 2026	70.62	72.35	70.62	71.78	71.78	1.41%	221,877
Sep 4, 2026	70.40	71.23	70.32	70.78	70.78	-0.17%	391,557
Sep 3, 2026	70.59	71.24	70.25	70.90	70.90	1.01%	483,000
Sep 2, 2026	69.61	70.83	69.22	70.19	70.19	0.40%	479,017
Sep 1, 2026	69.21	70.12	69.21	69.91	69.91	1.08%	337,212
Aug 31, 2026	69.30	69.92	68.88	69.16	69.16	-1.65%	351,944
Aug 28, 2026	71.55	71.60	70.00	70.32	70.32	-0.97%	286,788
Aug 27, 2026	70.83	71.29	70.43	71.01	71.01	-0.66%	363,866
Aug 26, 2026	71.02	71.93	70.95	71.48	71.48	0.85%	350,010
Aug 25, 2026	69.92	71.25	69.55	70.88	70.88	1.75%	326,933
Aug 24, 2026	69.59	70.07	69.00	69.66	69.66	0.30%	227,925
Aug 21, 2026	71.09	71.09	69.26	69.45	69.45	-1.92%	431,481
Aug 20, 2026	70.71	71.49	70.37	70.81	70.81	0.33%	381,648
Aug 19, 2026	71.41	71.41	70.18	70.58	70.58	-0.04%	569,103
Aug 18, 2026	71.35	71.50	70.45	70.61	70.61	-0.30%	355,874
Aug 17, 2026	70.80	70.98	70.00	70.82	70.82	-0.45%	275,930
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