Axcelis Technologies Inc (ACLS) — Price History

As of 2026-08-07 — refreshed nightly from the Closelook data lake. Diary readings, not advice.

Daily prices

Date	Open	High	Low	Close	Chg %	Volume
2026-08-07	136.66	141.33	136.66	140.27	+2.64%	464,100
2026-08-06	136.70	144.08	130.83	136.66	-0.01%	907,700
2026-08-05	136.30	140.66	133.87	136.67	-2.17%	617,900
2026-08-04	136.64	140.52	135.24	139.70	+6.54%	401,800
2026-08-03	126.03	133.35	124.72	131.12	+0.57%	411,900
2026-07-31	130.87	136.80	126.02	130.38	+4.13%	481,400
2026-07-30	118.90	127.26	117.36	125.21	+11.74%	339,200
2026-07-29	119.28	121.56	111.80	112.05	-6.65%	399,100
2026-07-28	122.01	122.01	112.34	120.03	-6.31%	600,000
2026-07-27	134.30	136.64	122.92	128.11	-4.47%	407,600
2026-07-24	140.57	140.57	131.48	134.10	-5.24%	363,300
2026-07-23	139.50	143.87	138.13	141.51	-0.31%	270,600
2026-07-22	139.14	145.01	139.14	141.95	-0.88%	273,400
2026-07-21	139.05	143.66	133.89	143.21	+8.74%	368,100
2026-07-20	137.22	139.51	130.27	131.70	-3.46%	388,400
2026-07-17	130.84	141.31	127.96	136.42	-2.10%	689,900
2026-07-16	140.11	146.09	137.50	139.34	-3.91%	373,100
2026-07-15	144.67	149.99	140.33	145.01	+1.95%	450,100
2026-07-14	143.21	145.71	140.25	142.24	+4.16%	473,600
2026-07-13	139.84	141.22	135.97	136.56	-4.74%	294,200
2026-07-10	139.32	144.61	138.59	143.35	+0.29%	328,100
2026-07-09	141.75	146.00	140.61	142.93	+5.54%	425,700
2026-07-08	129.82	135.98	129.10	135.43	+2.96%	569,300
2026-07-07	130.87	133.03	122.60	131.54	-6.02%	860,700
2026-07-06	148.43	152.21	138.87	139.97	-3.13%	672,100
2026-07-02	176.62	176.62	141.67	144.50	-18.97%	1,036,500
2026-07-01	181.00	185.01	173.10	178.33	-5.87%	586,500
2026-06-30	178.69	191.20	178.66	189.45	+7.56%	807,800
2026-06-29	172.12	176.46	163.75	176.13	+1.67%	658,700
2026-06-26	171.94	176.66	168.70	173.23	-4.13%	1,774,900
2026-06-25	178.17	180.93	169.07	180.70	+6.98%	605,900
2026-06-24	172.22	172.22	164.49	168.91	-1.26%	541,300
2026-06-23	171.01	174.88	169.00	171.06	-6.99%	562,600
2026-06-22	189.84	190.25	179.59	183.92	-1.93%	503,700
2026-06-18	184.12	188.72	183.23	187.53	+6.89%	688,800
2026-06-17	183.30	187.37	174.05	175.45	-0.79%	426,600
2026-06-16	189.82	193.50	176.00	176.85	-7.70%	661,300
2026-06-15	185.31	193.78	185.31	191.60	+6.37%	1,003,300
2026-06-12	174.20	183.62	172.50	180.12	+3.77%	641,100
2026-06-11	164.94	174.02	160.06	173.57	+10.25%	695,900
2026-06-10	161.55	172.00	154.06	157.43	-4.34%	821,900
2026-06-09	160.40	182.19	157.84	164.57	+6.34%	1,248,000
2026-06-08	153.16	160.35	151.73	154.76	+5.16%	520,900
2026-06-05	155.28	159.26	147.05	147.16	-9.09%	441,800
2026-06-04	153.12	167.51	151.23	161.87	+1.68%	719,700
2026-06-03	160.08	162.00	156.55	159.19	+0.26%	450,300
2026-06-02	153.78	159.03	152.84	158.78	+5.56%	272,300
2026-06-01	147.75	151.22	145.25	150.42	+0.01%	417,400
2026-05-29	155.85	157.81	149.28	150.41	-3.30%	518,000
2026-05-28	157.80	158.23	151.88	155.55	-1.49%	318,500
2026-05-27	166.01	167.01	157.72	157.91	-3.87%	539,900
2026-05-26	160.75	164.96	157.24	164.27	+4.67%	478,500
2026-05-22	153.23	158.98	151.82	156.94	+2.90%	476,900
2026-05-21	148.85	155.07	147.91	152.51	+1.97%	349,800
2026-05-20	146.09	151.36	144.66	149.56	+4.42%	386,200
2026-05-19	141.64	144.40	137.84	143.23	-2.06%	640,400
2026-05-18	154.67	155.61	143.09	146.24	-5.76%	609,000
2026-05-15	155.31	157.22	152.59	155.18	-4.00%	556,300
2026-05-14	163.39	165.46	160.00	161.64	-0.31%	393,300
2026-05-13	165.48	167.65	158.36	162.15	+0.32%	572,700
2026-05-12	159.20	163.06	153.02	161.64	-2.08%	751,700
2026-05-11	164.93	168.14	160.45	165.08	+1.26%	639,100
2026-05-08	157.25	164.69	149.19	163.03	+2.75%	1,033,500
2026-05-07	168.53	169.00	157.09	158.66	-7.22%	1,421,700
2026-05-06	159.23	171.61	156.43	171.00	+22.41%	1,884,300
2026-05-05	142.80	145.42	138.75	139.70	-1.53%	1,017,900
2026-05-04	141.24	143.55	138.33	141.87	+1.34%	446,000
2026-05-01	138.86	140.66	136.98	139.99	+0.63%	320,600
2026-04-30	134.14	140.50	132.59	139.11	+4.12%	798,700
2026-04-29	136.00	136.30	130.57	133.61	-0.31%	424,600
2026-04-28	132.61	138.04	130.02	134.02	-2.50%	835,800
2026-04-27	143.42	144.17	135.00	137.46	-3.96%	642,600
2026-04-24	146.39	147.94	138.41	143.13	+2.34%	850,200
2026-04-23	139.52	140.00	135.47	139.86	-0.05%	734,300
2026-04-22	138.01	140.49	134.06	139.93	+5.06%	894,900
2026-04-21	131.98	137.44	130.05	133.19	+1.66%	1,209,800
2026-04-20	121.50	132.20	120.64	131.02	+10.35%	1,314,700
2026-04-17	121.13	121.84	117.54	118.73	-0.03%	449,900
2026-04-16	117.70	120.47	116.26	118.76	+0.75%	693,000
2026-04-15	113.08	120.99	113.08	117.88	+4.26%	949,800
2026-04-14	113.00	114.84	111.83	113.06	+2.09%	457,500
2026-04-13	109.66	111.36	108.05	110.74	+0.34%	438,500
2026-04-10	110.00	112.82	109.73	110.37	+1.97%	670,400
2026-04-09	104.65	108.71	104.08	108.24	+3.43%	645,200
2026-04-08	102.00	105.15	100.78	104.65	+8.03%	697,200
2026-04-07	97.37	99.64	94.03	96.87	-0.65%	482,500
2026-04-06	94.96	97.85	93.29	97.50	+2.53%	495,600
2026-04-02	91.78	96.78	91.78	95.09	-0.44%	353,600
2026-04-01	94.93	98.96	94.00	95.51	+2.61%	618,400
2026-03-31	91.87	93.81	89.16	93.08	+2.93%	592,100
2026-03-30	99.04	99.04	89.27	90.43	-7.11%	673,500
2026-03-27	96.07	99.81	96.07	97.35	-1.02%	692,100
2026-03-26	98.30	101.00	97.50	98.35	-2.48%	1,011,700
2026-03-25	95.27	101.35	95.27	100.85	+6.84%	1,028,800
2026-03-24	85.64	96.79	85.61	94.39	+10.05%	1,300,000
2026-03-23	86.50	88.00	85.15	85.77	+1.59%	477,800
2026-03-20	87.68	88.00	83.70	84.43	-3.09%	1,112,100
2026-03-19	83.50	88.25	83.07	87.12	+1.61%	473,700
2026-03-18	85.98	88.56	85.01	85.74	+0.69%	679,400
2026-03-17	84.90	86.23	84.11	85.15	+0.71%	623,200
2026-03-16	85.17	85.75	83.51	84.55	+1.63%	624,900
2026-03-13	82.50	86.00	81.93	83.19	-2.34%	829,200
2026-03-12	84.59	86.57	83.78	85.18	-1.21%	632,400
2026-03-11	85.82	87.19	84.77	86.22	+0.47%	434,500
2026-03-10	83.86	87.63	83.36	85.82	+2.09%	569,915
2026-03-09	80.50	85.03	79.50	84.06	+2.21%	666,710
2026-03-06	82.84	84.79	80.22	82.24	-4.27%	652,900
2026-03-05	84.92	86.13	83.52	85.91	-0.82%	810,200
2026-03-04	87.14	88.14	86.14	86.62	+0.86%	717,700
2026-03-03	82.95	87.27	82.47	85.88	-0.81%	1,382,700
2026-03-02	82.10	86.66	81.64	86.58	+4.81%	683,000
2026-02-27	81.41	84.40	80.80	82.61	-1.16%	1,001,900
2026-02-26	80.90	83.86	78.88	83.58	+4.45%	964,100
2026-02-25	82.39	82.82	78.87	80.02	-2.14%	582,500
2026-02-24	79.36	82.63	79.00	81.77	+3.78%	685,100
2026-02-23	80.11	80.11	77.74	78.79	-1.71%	913,000
2026-02-20	79.30	80.89	76.45	80.16	-0.57%	1,263,400
2026-02-19	80.82	82.88	77.50	80.62	-1.69%	1,636,400
2026-02-18	79.28	84.52	75.31	82.01	-16.74%	5,144,900
2026-02-17	92.74	99.11	90.26	98.50	+4.18%	1,706,100
2026-02-13	91.85	95.55	91.50	94.55	+4.43%	1,086,108
2026-02-12	92.50	94.52	89.77	90.54	-1.39%	577,563
2026-02-11	91.71	93.40	89.59	91.82	+3.11%	713,074
2026-02-10	85.89	90.83	85.47	89.05	+4.19%	586,528
2026-02-09	85.47	85.56	83.71	85.47	-0.71%	635,819
2026-02-06	82.13	87.64	82.01	86.08	+5.63%	559,606
2026-02-05	81.75	82.50	79.34	81.49	-1.53%	1,100,446
2026-02-04	85.12	87.18	82.55	82.76	-1.91%	988,229
2026-02-03	89.32	91.01	81.33	84.37	-5.00%	1,086,862
2026-02-02	85.89	90.52	85.64	88.81	+0.84%	515,237
2026-01-30	89.66	92.50	87.42	88.07	-4.48%	552,228
2026-01-29	91.96	93.21	88.52	92.20	+1.06%	535,481
2026-01-28	93.64	94.35	89.23	91.23	+0.21%	550,870
2026-01-27	90.31	92.61	90.04	91.04	+2.10%	428,395
2026-01-26	90.87	92.05	89.02	89.17	-2.14%	382,790
2026-01-23	94.75	94.92	89.73	91.12	-4.04%	572,531
2026-01-22	95.56	96.37	93.53	94.96	+1.65%	485,493
2026-01-21	89.94	94.68	88.47	93.42	+5.97%	474,451
2026-01-20	90.80	92.14	88.05	88.16	-5.33%	546,578
2026-01-16	98.28	100.00	93.03	93.12	-3.50%	556,662
2026-01-15	99.00	100.62	95.90	96.50	+3.52%	526,252
2026-01-14	96.62	96.62	92.31	93.22	-3.94%	564,323
2026-01-13	96.37	97.84	95.49	97.04	+1.38%	519,847
2026-01-12	92.94	97.80	92.94	95.72	+2.81%	644,507
2026-01-09	90.19	94.65	90.19	93.10	+3.58%	535,495
2026-01-08	92.31	92.90	87.74	89.89	-3.34%	893,599
2026-01-07	91.78	94.69	91.25	92.99	-0.97%	737,525
2026-01-06	89.85	95.50	89.85	93.90	+5.46%	664,561
2026-01-05	88.20	91.28	88.05	89.04	+3.39%	625,883
2026-01-02	81.61	86.97	81.61	86.12	+7.19%	436,616
2025-12-31	81.64	81.64	80.04	80.34	-1.48%	217,209
2025-12-30	82.00	82.64	81.36	81.55	-0.33%	163,539
2025-12-29	82.00	83.00	80.90	81.82	-0.96%	237,526
2025-12-26	83.72	83.72	82.29	82.61	-0.23%	211,428
2025-12-24	84.16	84.35	82.13	82.80	-1.08%	189,602
2025-12-23	82.85	84.25	82.02	83.70	+0.66%	293,980
2025-12-22	84.27	84.60	82.57	83.15	+0.52%	325,379
2025-12-19	80.97	83.99	80.97	82.72	+1.96%	875,577
2025-12-18	83.78	85.85	80.69	81.13	-0.64%	437,565
2025-12-17	86.05	87.11	80.52	81.65	-5.41%	630,521
2025-12-16	86.84	87.85	84.41	86.32	-1.08%	561,652
2025-12-15	86.16	87.61	83.61	87.26	+1.93%	638,405
2025-12-12	88.12	88.88	83.47	85.61	-3.90%	720,061
2025-12-11	90.25	91.63	88.54	89.08	-1.39%	645,978
2025-12-10	88.11	92.02	88.11	90.34	+1.56%	706,779
2025-12-09	90.33	90.69	88.23	88.95	-2.40%	591,407
2025-12-08	91.92	93.22	90.26	91.14	+0.35%	535,510
2025-12-05	89.82	91.89	89.43	90.82	+1.93%	449,056
2025-12-04	87.05	89.74	85.76	89.10	+1.23%	472,379
2025-12-03	82.96	88.90	81.49	88.02	+6.78%	656,632
2025-12-02	81.87	82.93	80.73	82.43	+1.13%	522,468
2025-12-01	81.40	83.02	80.52	81.51	-1.52%	518,756
2025-11-28	82.16	83.36	81.68	82.77	+0.78%	132,751
2025-11-26	82.77	84.26	81.92	82.13	-0.75%	611,500
2025-11-25	79.67	83.67	79.37	82.75	+4.89%	512,522
2025-11-24	77.16	79.25	77.16	78.89	+2.61%	454,407
2025-11-21	73.90	78.28	73.60	76.88	+3.72%	597,699
2025-11-20	78.96	79.96	73.77	74.12	-4.79%	505,593
2025-11-19	78.01	79.42	77.64	77.85	+0.19%	386,294
2025-11-18	78.47	79.53	76.69	77.70	-3.51%	622,362
2025-11-17	80.90	82.35	79.58	80.53	-1.24%	444,118
2025-11-14	79.99	82.50	78.66	81.54	-1.31%	481,691
2025-11-13	84.12	85.56	81.00	82.62	-3.28%	719,177
2025-11-12	86.45	88.37	85.22	85.42	-0.19%	509,592
2025-11-11	87.45	87.45	83.50	85.58	-2.10%	573,210
2025-11-10	87.95	89.80	86.11	87.42	+1.96%	654,543
2025-11-07	80.54	85.78	80.01	85.74	+4.38%	636,484
2025-11-06	84.05	84.98	80.54	82.14	-2.74%	638,878
2025-11-05	80.60	85.65	80.55	84.45	+4.89%	861,769
2025-11-04	89.44	89.44	80.47	80.51	-2.70%	1,492,761
2025-11-03	81.95	84.10	80.95	82.74	+4.00%	1,229,732
2025-10-31	81.20	81.61	78.89	79.56	-2.79%	1,148,164
2025-10-30	83.14	84.70	81.74	81.84	-1.56%	599,197
2025-10-29	83.47	84.68	82.50	83.14	+1.03%	460,356
2025-10-28	82.71	83.40	81.89	82.29	-1.15%	337,951
2025-10-27	84.66	85.35	82.76	83.25	-0.07%	452,658
2025-10-24	85.38	85.53	83.30	83.31	-1.24%	359,678
2025-10-23	80.17	84.63	80.17	84.36	+3.64%	517,107
2025-10-22	82.74	83.13	78.80	81.40	-2.27%	608,818
2025-10-21	83.28	84.35	82.04	83.29	-0.70%	480,363
2025-10-20	83.98	85.42	83.62	83.88	+1.21%	351,578
2025-10-17	82.68	83.55	82.01	82.88	-0.88%	407,310
2025-10-16	84.94	86.55	82.06	83.62	-0.18%	467,465
2025-10-15	82.66	83.85	80.93	83.77	+4.22%	771,727
2025-10-14	79.87	82.40	79.06	80.38	-1.29%	609,563
2025-10-13	80.28	81.88	79.20	81.43	+2.83%	909,108
2025-10-10	85.11	85.88	79.11	79.19	-6.41%	1,107,619
2025-10-09	84.70	85.58	83.44	84.61	+0.17%	615,552
2025-10-08	83.00	85.49	82.80	84.47	+0.97%	1,017,195
2025-10-07	88.06	89.00	83.57	83.66	-4.60%	993,105
2025-10-06	89.31	93.38	87.66	87.69	-1.15%	933,842
2025-10-03	93.57	93.66	88.52	88.71	-5.19%	993,620
2025-10-02	98.10	98.35	92.58	93.57	-1.26%	1,108,133
2025-10-01	93.53	95.59	86.04	94.76	-2.95%	2,521,258
2025-09-30	96.29	98.58	95.00	97.64	+0.97%	301,689
2025-09-29	98.92	98.92	96.61	96.70	-0.80%	395,787
2025-09-26	96.61	98.15	95.22	97.48	+0.37%	279,999
2025-09-25	94.99	97.83	93.00	97.13	-0.04%	399,294
2025-09-24	98.12	98.75	96.56	97.16	-1.33%	409,064
2025-09-23	101.06	102.93	98.28	98.47	-1.96%	703,993
2025-09-22	96.28	100.48	96.00	100.44	+5.01%	697,870
2025-09-19	96.64	96.64	94.54	95.65	-1.04%	1,168,544
2025-09-18	94.24	97.18	93.47	96.66	+6.10%	679,746
2025-09-17	89.52	93.00	88.49	91.10	+1.44%	584,216
2025-09-16	87.71	90.15	87.70	89.81	+2.88%	572,285
2025-09-15	86.14	88.15	86.00	87.30	+2.05%	418,149
2025-09-12	85.87	86.18	84.77	85.55	-0.94%	274,312
2025-09-11	83.99	87.42	83.50	86.36	+3.70%	577,840
2025-09-10	83.55	83.55	82.10	83.28	+0.24%	300,898
2025-09-09	81.74	83.75	81.66	83.08	+1.54%	422,298
2025-09-08	81.33	82.00	79.67	81.82	+1.50%	286,334
2025-09-05	79.64	81.53	79.64	80.61	+2.31%	331,039
2025-09-04	78.22	79.43	77.32	78.79	+0.13%	325,764
2025-09-03	79.70	80.17	77.55	78.69	-1.14%	823,602
2025-09-02	77.32	80.07	77.16	79.60	-0.55%	416,942
2025-08-29	81.83	82.27	79.55	80.04	-2.40%	385,775
2025-08-28	82.05	82.77	79.96	82.01	+0.11%	876,308
2025-08-27	81.06	82.22	80.39	81.92	+1.25%	292,654
2025-08-26	79.82	81.82	79.78	80.91	+0.66%	390,314
2025-08-25	81.90	82.18	80.33	80.38	-1.12%	293,504
2025-08-22	79.38	83.36	78.86	81.29	+3.54%	493,596
2025-08-21	78.18	79.83	77.70	78.51	-0.71%	391,044
2025-08-20	80.21	80.40	77.71	79.07	-1.41%	361,963
2025-08-19	80.73	82.28	79.24	80.20	-0.66%	340,130
2025-08-18	80.51	81.70	79.77	80.73	+0.27%	289,749
2025-08-15	81.00	81.21	78.75	80.51	-3.87%	618,543
2025-08-14	83.75	84.14	82.51	83.75	-1.43%	346,296
2025-08-13	81.68	85.45	81.68	84.97	+4.49%	870,514
2025-08-12	78.44	82.55	78.02	81.32	+4.26%	580,697
2025-08-11	79.60	80.50	77.83	78.00	-1.79%	356,796

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Jun (+22.49%). Worst month: Oct (-15.53%). Based on 5 years of daily data (2022–2026).

Jan+11.00%
Feb-6.44%
Mar-1.32%
Apr+6.11%
May+15.19%
Jun+22.49%
Jul-8.19%
Aug+3.75%
Sep+3.65%
Oct-15.53%
Nov+4.91%
Dec-1.94%

FAQ · from the current price data · as of 2026-08-07

Quick answers

What is Axcelis Technologies Inc's (ACLS) latest close?

140.27 on 2026-08-07, from the Closelook data lake's daily price record.

What is ACLS's 52-week high and low?

193.78 high and 73.60 low over the trailing 52 weeks, as of 2026-08-07.

What is Axcelis Technologies Inc's strongest and weakest month historically?

Historically, ACLS's strongest calendar month has been Jun (average +22.49%) and its weakest Oct (average -15.53%), based on 5 years of daily data (2022–2026).

How many years of seasonality does this cover?

5 years (2022–2026), computed from 965 daily bars in the Closelook data lake.