ATMP Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 17, 2025	27.32	27.41	27.27	27.41	27.41	0.11%	40,541
Oct 16, 2025	27.66	27.76	27.31	27.38	27.38	-1.26%	23,544
Oct 15, 2025	27.91	27.91	27.63	27.73	27.73	0.80%	15,980
Oct 14, 2025	27.31	27.53	27.31	27.51	27.51	-0.29%	6,727
Oct 13, 2025	27.52	27.66	27.50	27.59	27.59	0.76%	22,738
Oct 10, 2025	27.80	27.85	27.39	27.39	27.39	-1.81%	35,416
Oct 9, 2025	28.56	28.56	27.88	27.89	27.89	-1.97%	15,043
Oct 8, 2025	28.46	28.46	28.31	28.45	28.45	-0.04%	20,987
Oct 7, 2025	28.23	28.50	28.23	28.46	28.46	0.17%	39,400
Oct 6, 2025	28.52	28.52	28.41	28.41	28.41	-0.62%	17,602
Oct 3, 2025	28.47	28.70	28.47	28.59	28.59	0.02%	9,897
Oct 2, 2025	28.85	28.85	28.51	28.59	28.59	-0.44%	16,496
Oct 1, 2025	28.77	28.77	28.61	28.71	28.71	-0.30%	49,754
Sep 30, 2025	28.60	28.80	28.57	28.80	28.80	0.09%	68,519
Sep 29, 2025	28.98	28.98	28.61	28.77	28.77	-1.23%	50,563
Sep 26, 2025	29.30	29.32	29.13	29.13	29.13	0.58%	9,885
Sep 25, 2025	28.78	29.11	28.78	28.96	28.96	-0.24%	35,711
Sep 24, 2025	28.80	29.10	28.80	29.03	29.03	1.62%	12,113
Sep 23, 2025	28.46	28.72	28.46	28.57	28.57	0.88%	42,250
Sep 22, 2025	28.41	28.42	28.22	28.32	28.32	-0.17%	23,832
Sep 19, 2025	28.48	28.51	28.34	28.37	28.37	-1.65%	69,792
Sep 18, 2025	28.66	28.89	28.66	28.85	28.85	0.32%	44,659
Sep 17, 2025	28.61	28.78	28.61	28.75	28.75	0.49%	6,856
Sep 16, 2025	28.66	28.68	28.58	28.61	28.61	0.18%	17,436
Sep 15, 2025	28.72	28.78	28.56	28.56	28.56	-0.42%	7,712
Sep 12, 2025	28.53	28.83	28.53	28.68	28.68	0.07%	40,334
Sep 11, 2025	28.38	28.68	28.38	28.66	28.66	0.34%	10,268
Sep 10, 2025	28.67	28.76	28.51	28.56	28.56	0.47%	78,897
Sep 9, 2025	28.20	28.62	28.20	28.43	28.43	0.34%	13,785
Sep 8, 2025	28.40	28.42	28.21	28.33	28.33	-0.58%	12,195
Sep 5, 2025	28.17	28.50	28.17	28.50	28.50	-0.75%	19,014
Sep 4, 2025	28.78	28.78	28.66	28.72	28.72	0.30%	11,744
Sep 3, 2025	28.54	28.76	28.54	28.63	28.63	-0.48%	15,683
Sep 2, 2025	28.76	28.92	28.61	28.77	28.77	-0.94%	28,825
Aug 29, 2025	29.05	29.07	28.90	29.04	29.04	0.52%	81,435
Aug 28, 2025	28.60	28.89	28.60	28.89	28.89	-0.46%	15,449
Aug 27, 2025	28.94	29.14	28.93	29.03	28.65	0.35%	15,203
Aug 26, 2025	28.88	28.93	28.71	28.93	28.55	0.29%	11,468
Aug 25, 2025	29.06	29.11	28.84	28.84	28.46	-0.66%	132,532
Aug 22, 2025	28.85	29.22	28.85	29.03	28.65	0.14%	10,312
Aug 21, 2025	28.99	29.05	28.98	28.99	28.61	0.21%	16,307
Aug 20, 2025	28.85	28.99	28.70	28.93	28.55	0.70%	21,470
Aug 19, 2025	28.70	28.79	28.59	28.73	28.36	0.02%	17,530
Aug 18, 2025	28.80	28.89	28.72	28.73	28.35	-0.54%	5,604
Aug 15, 2025	29.09	29.10	28.88	28.88	28.50	-0.79%	13,858
Aug 14, 2025	28.92	29.21	28.92	29.11	28.73	-0.14%	7,661
Aug 13, 2025	28.90	29.15	28.86	29.15	28.77	0.84%	15,368
Aug 12, 2025	28.76	28.91	28.76	28.91	28.53	0.22%	14,759
Aug 11, 2025	28.72	29.01	28.72	28.85	28.47	-0.57%	48,975
Aug 8, 2025	28.82	29.23	28.79	29.01	28.63	-	12,376