TSX:KLAC Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jul 31, 2026	25.43	25.65	24.36	24.84	24.84	0.61%	33,641
Jul 30, 2026	24.50	25.21	24.09	24.69	24.69	7.35%	30,474
Jul 29, 2026	24.11	25.87	23.00	23.00	23.00	-11.13%	49,079
Jul 28, 2026	26.03	26.45	25.34	25.88	25.88	-6.30%	45,047
Jul 27, 2026	28.51	28.69	26.52	27.62	27.62	-2.95%	36,825
Jul 24, 2026	29.02	29.71	28.15	28.46	28.46	-3.59%	12,680
Jul 23, 2026	28.96	29.63	28.95	29.52	29.52	1.79%	12,737
Jul 22, 2026	28.52	29.52	28.52	29.00	29.00	-1.89%	14,364
Jul 21, 2026	29.57	29.67	29.09	29.56	29.56	5.35%	13,376
Jul 20, 2026	29.64	29.80	28.06	28.06	28.06	-2.94%	26,746
Jul 17, 2026	28.37	29.33	27.82	28.91	28.91	-2.76%	60,873
Jul 16, 2026	29.65	30.83	29.51	29.73	29.73	-2.65%	41,168
Jul 15, 2026	31.95	31.95	29.35	30.54	30.54	-2.05%	78,921
Jul 14, 2026	32.09	32.09	30.90	31.18	31.18	3.38%	55,758
Jul 13, 2026	30.09	30.70	29.68	30.16	30.16	-3.86%	60,330
Jul 10, 2026	30.43	31.41	30.21	31.37	31.37	0.84%	41,731
Jul 9, 2026	32.42	33.38	31.02	31.11	31.11	3.77%	77,804
Jul 8, 2026	29.19	30.20	29.19	29.98	29.98	2.11%	30,889
Jul 7, 2026	29.50	30.14	28.60	29.36	29.36	-7.35%	290,207
Jul 6, 2026	33.53	33.53	31.38	31.69	31.69	-6.79%	51,358
Jul 3, 2026	33.05	34.00	32.11	34.00	34.00	5.36%	8,238
Jul 2, 2026	40.60	40.60	31.00	32.27	32.27	-21.16%	46,091
Jun 30, 2026	38.00	41.62	37.90	40.93	40.93	8.25%	79,544
Jun 29, 2026	34.08	37.89	34.08	37.81	37.81	12.36%	110,841
Jun 26, 2026	33.69	34.24	33.00	33.65	33.65	-4.38%	88,728
Jun 25, 2026	34.58	35.33	33.12	35.19	35.19	7.78%	56,931
Jun 24, 2026	32.93	33.00	31.95	32.65	32.65	-1.66%	34,202
Jun 23, 2026	33.46	33.70	32.77	33.20	33.20	-8.79%	20,299
Jun 22, 2026	36.27	36.49	35.73	36.40	36.40	1.85%	16,826
Jun 19, 2026	35.74	35.74	35.74	35.74	35.74	1.28%	441
Jun 18, 2026	34.18	35.82	34.18	35.29	35.29	8.58%	31,604
Jun 17, 2026	33.41	34.05	32.36	32.50	32.50	0.28%	11,327
Jun 16, 2026	34.68	34.68	32.41	32.41	32.41	-7.53%	9,256
Jun 15, 2026	36.04	36.04	34.20	35.05	35.05	1.24%	253,414
Jun 12, 2026	32.50	34.62	32.50	34.62	34.62	5.68%	15,755
Jun 11, 2026	30.40	33.06	30.40	32.76	32.76	12.81%	8,064
Jun 10, 2026	29.31	31.22	29.04	29.04	29.04	1.82%	14,935
Jun 9, 2026	29.87	30.65	28.03	28.52	28.52	-0.07%	2,856
Jun 8, 2026	27.79	28.94	27.79	28.54	28.54	7.25%	2,223
Jun 5, 2026	27.85	27.85	26.59	26.61	26.61	-8.40%	18,247
Jun 4, 2026	28.10	29.06	27.70	29.05	29.05	-0.14%	2,095
Jun 3, 2026	27.90	29.15	27.90	29.09	29.09	5.02%	1,592
Jun 2, 2026	26.90	27.70	26.90	27.70	27.70	5.04%	4,249
Jun 1, 2026	25.86	26.37	25.86	26.37	26.37	-0.94%	2,116
May 29, 2026	26.60	26.62	26.60	26.62	26.62	1.22%	265
May 28, 2026	25.92	26.30	25.92	26.30	26.30	-1.57%	6,600
May 27, 2026	27.92	27.92	26.59	26.72	26.72	-2.77%	10,179
May 26, 2026	26.52	27.48	26.52	27.48	27.48	3.58%	662
May 25, 2026	26.63	26.93	26.52	26.53	26.53	3.27%	603
May 22, 2026	25.33	25.69	25.33	25.69	25.69	2.47%	383