NET Power Inc. (NPWR) NYSE

Currency In USD

NPWR Historical Return

If you invested $1000 in NET Power Inc. (NPWR) since IPO date, it would be worth $193.91 as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $192.93, while $1000 invested 1 year ago would be worth $909.52. This corresponds to total returns of -80.61%, -80.71%, -9.05%, respectively, with annualized returns of -27.49%, -28.04%, -9.05%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

NPWR Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	1.85	1.91	1.91	1.94	1.83	723,981
September 10, 2026	1.86	1.82	1.82	1.87	1.79	389,040
September 09, 2026	1.86	1.85	1.85	1.89	1.77	951,218
September 08, 2026	1.94	1.9	1.9	2	1.87	834,186
September 04, 2026	1.8	1.93	1.93	1.94	1.8	745,815
September 03, 2026	1.8	1.82	1.82	1.84	1.8	0
September 02, 2026	1.77	1.77	1.77	1.81	1.75	575,089
September 01, 2026	1.75	1.75	1.75	1.78	1.73	580,663
August 31, 2026	1.8	1.78	1.78	1.81	1.76	507,614
August 28, 2026	1.89	1.83	1.83	1.95	1.8	541,156
August 27, 2026	1.83	1.89	1.89	1.97	1.81	947,601
August 26, 2026	1.93	1.81	1.81	1.99	1.81	833,791
August 25, 2026	2	1.95	1.95	2.01	1.84	1.58M
August 24, 2026	1.84	1.99	1.99	2.12	1.81	3.98M
August 21, 2026	1.68	1.7	1.7	1.74	1.64	570,375
August 20, 2026	1.64	1.66	1.66	1.71	1.62	618,897
August 19, 2026	1.67	1.67	1.67	1.72	1.63	0
August 18, 2026	1.7	1.65	1.65	1.83	1.64	955,348
August 17, 2026	1.92	1.73	1.73	2	1.69	1.29M
August 14, 2026	1.56	1.95	1.95	2.07	1.56	4.03M
August 13, 2026	1.63	1.62	1.62	1.66	1.59	0
August 12, 2026	1.65	1.63	1.63	1.67	1.63	0
August 11, 2026	1.57	1.62	1.62	1.64	1.54	0
August 10, 2026	1.52	1.57	1.57	1.59	1.5	374,286
August 07, 2026	1.47	1.52	1.52	1.56	1.47	0
August 06, 2026	1.46	1.5	1.5	1.53	1.46	458,568
August 05, 2026	1.55	1.52	1.52	1.55	1.47	590,378
August 04, 2026	1.53	1.54	1.54	1.56	1.49	525,059
August 03, 2026	1.46	1.51	1.51	1.52	1.44	275,568
July 31, 2026	1.49	1.43	1.43	1.5	1.39	425,244
July 30, 2026	1.38	1.47	1.47	1.48	1.38	731,037
July 29, 2026	1.44	1.36	1.36	1.46	1.35	699,138
July 28, 2026	1.45	1.43	1.43	1.52	1.4	788,325
July 27, 2026	1.45	1.45	1.45	1.47	1.39	462,851
July 23, 2026	1.47	1.47	1.47	1.53	1.47	335,578
July 22, 2026	1.5	1.51	1.51	1.56	1.47	1.02M
July 21, 2026	1.57	1.54	1.54	1.57	1.5	757,088
July 20, 2026	1.53	1.55	1.55	1.59	1.5	675,494
July 17, 2026	1.49	1.54	1.54	1.59	1.46	698,026
July 16, 2026	1.53	1.54	1.54	1.58	1.46	811,666
July 15, 2026	1.48	1.55	1.55	1.6	1.46	928,334
July 14, 2026	1.46	1.47	1.47	1.54	1.45	969,212
July 13, 2026	1.57	1.45	1.45	1.57	1.45	668,685
July 10, 2026	1.65	1.56	1.56	1.66	1.5	754,601
July 09, 2026	1.64	1.67	1.67	1.7	1.6	775,140
July 08, 2026	1.6	1.61	1.61	1.63	1.56	609,132
July 07, 2026	1.68	1.62	1.62	1.69	1.59	1.07M
July 06, 2026	1.65	1.68	1.68	1.71	1.65	330,566
July 02, 2026	1.67	1.65	1.65	1.74	1.64	499,200
July 01, 2026	1.65	1.67	1.67	1.71	1.65	607,352
June 30, 2026	1.65	1.67	1.67	1.74	1.65	403,890
June 29, 2026	1.66	1.67	1.67	1.75	1.59	789,616
June 26, 2026	1.74	1.64	1.64	1.76	1.64	1.94M
June 25, 2026	1.74	1.77	1.77	1.78	1.65	819,437
June 24, 2026	1.67	1.71	1.71	1.78	1.62	969,317
June 23, 2026	1.67	1.69	1.69	1.79	1.65	915,817
June 22, 2026	1.83	1.69	1.69	1.84	1.68	1.09M
June 18, 2026	1.65	1.83	1.83	1.86	1.65	959,523
June 17, 2026	1.73	1.63	1.63	1.8	1.59	915,977
June 16, 2026	1.73	1.73	1.73	1.83	1.71	542,939