NPK Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 14, 2026	145.29	147.97	144.19	145.16	145.16	-1.11%	71,510
Oct 13, 2026	148.98	150.10	145.41	146.79	146.79	-1.04%	105,798
Oct 12, 2026	152.20	153.74	148.34	148.34	148.34	-2.14%	84,035
Oct 9, 2026	153.41	154.50	151.16	151.59	151.59	-0.28%	76,173
Oct 8, 2026	147.44	152.43	145.04	152.01	152.01	2.93%	106,068
Oct 7, 2026	146.46	148.71	146.46	147.68	147.68	-0.86%	85,614
Oct 6, 2026	152.73	152.73	148.88	148.96	148.96	-1.90%	77,159
Oct 5, 2026	151.12	153.30	148.80	151.85	151.85	0.74%	115,450
Oct 2, 2026	150.70	152.62	150.56	150.73	150.73	0.41%	80,310
Oct 1, 2026	146.52	150.63	146.22	150.12	150.12	1.32%	116,030
Sep 30, 2026	146.76	148.87	144.01	148.16	148.16	0.94%	96,981
Sep 29, 2026	146.15	148.51	145.55	146.78	146.78	0.34%	104,470
Sep 28, 2026	144.00	146.44	142.64	146.28	146.28	1.12%	105,837
Sep 25, 2026	144.52	145.45	142.61	144.66	144.66	0.39%	86,717
Sep 24, 2026	145.61	146.30	143.48	144.10	144.10	-1.35%	90,968
Sep 23, 2026	150.02	151.59	145.39	146.07	146.07	-3.23%	113,736
Sep 22, 2026	152.24	152.50	146.44	150.95	150.95	-0.27%	136,616
Sep 21, 2026	149.78	153.18	147.65	151.36	151.36	1.87%	101,097
Sep 18, 2026	152.28	152.28	147.63	148.58	148.58	-2.30%	296,873
Sep 17, 2026	152.53	153.86	150.10	152.08	152.08	-0.50%	95,501
Sep 16, 2026	155.90	155.90	151.24	152.84	152.84	-1.82%	103,563
Sep 15, 2026	153.70	155.87	150.63	155.67	155.67	1.53%	125,763
Sep 14, 2026	154.76	156.66	150.97	153.33	153.33	-0.62%	142,856
Sep 11, 2026	149.74	154.79	149.35	154.28	154.28	4.26%	90,860
Sep 10, 2026	148.47	150.29	146.61	147.97	147.97	-0.29%	64,909
Sep 9, 2026	146.36	148.56	143.69	148.40	148.40	1.28%	73,384
Sep 8, 2026	146.87	149.30	146.44	146.52	146.52	-0.81%	78,891
Sep 4, 2026	145.08	148.20	144.09	147.72	147.72	2.09%	103,737
Sep 3, 2026	145.61	146.80	142.55	144.70	144.70	0.01%	90,931
Sep 2, 2026	148.37	148.37	144.50	144.69	144.69	-1.53%	127,091
Sep 1, 2026	150.19	153.88	145.98	146.94	146.94	-3.14%	90,708
Aug 31, 2026	151.40	155.20	150.01	151.71	151.71	-0.60%	101,234
Aug 28, 2026	153.63	155.52	152.41	152.62	152.62	-0.53%	88,545
Aug 27, 2026	150.00	153.44	146.70	153.43	153.43	1.51%	86,938
Aug 26, 2026	156.22	157.66	150.75	151.15	151.15	-3.60%	97,223
Aug 25, 2026	155.86	158.17	152.57	156.80	156.80	1.07%	95,826
Aug 24, 2026	150.00	157.57	150.00	155.14	155.14	3.46%	88,989
Aug 21, 2026	151.81	152.35	149.15	149.95	149.95	-0.50%	140,304
Aug 20, 2026	146.52	154.87	146.52	150.71	150.71	1.82%	103,300
Aug 19, 2026	147.28	148.28	144.89	148.01	148.01	0.51%	84,585
Aug 18, 2026	144.16	147.72	142.25	147.26	147.26	2.14%	87,877
Aug 17, 2026	142.50	145.63	140.40	144.17	144.17	3.08%	121,489
Aug 14, 2026	139.00	140.81	137.17	139.86	139.86	1.49%	70,526
Aug 13, 2026	140.04	140.85	135.72	137.80	137.80	-1.05%	85,045
Aug 12, 2026	138.58	139.83	137.55	139.26	139.26	0.75%	55,919
Aug 11, 2026	138.75	141.87	138.07	138.23	138.23	0.53%	80,325
Aug 10, 2026	137.98	139.06	136.89	137.50	137.50	-0.36%	101,384
Aug 7, 2026	137.10	138.98	136.44	137.99	137.99	0.18%	81,343
Aug 6, 2026	138.65	141.75	137.74	137.74	137.74	-1.31%	81,399
Aug 5, 2026	135.42	139.76	133.38	139.57	139.57	2.58%	92,147