Allegro Microsystems Inc (ALGM) — 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	43.80	44.50	42.72	43.77	+3.10%	1,607,000
2026-08-06	40.84	44.05	40.20	42.45	+1.57%	1,828,300
2026-08-05	42.02	43.56	41.61	41.80	-2.45%	1,727,200
2026-08-04	44.00	44.49	42.19	42.85	+3.20%	2,726,400
2026-08-03	39.69	42.09	38.60	41.52	+0.05%	2,506,000
2026-07-31	42.27	43.35	40.76	41.50	+0.12%	3,763,900
2026-07-30	42.31	42.92	38.15	41.45	-1.80%	6,152,700
2026-07-29	43.70	44.94	41.77	42.21	-5.19%	3,309,500
2026-07-28	43.50	44.73	42.01	44.52	-4.87%	2,320,400
2026-07-27	46.96	47.62	44.01	46.80	+1.67%	2,383,500
2026-07-24	50.00	50.00	45.56	46.03	-8.07%	1,574,100
2026-07-23	49.12	51.88	49.02	50.07	+0.40%	3,114,200
2026-07-22	47.84	50.65	47.84	49.87	+1.05%	1,190,000
2026-07-21	49.25	49.96	47.70	49.35	+6.45%	1,292,600
2026-07-20	46.29	48.50	46.00	46.36	-0.26%	1,928,000
2026-07-17	44.28	48.07	44.13	46.48	-1.36%	1,588,700
2026-07-16	48.00	48.86	46.46	47.12	-5.82%	1,994,700
2026-07-15	53.10	53.35	47.96	50.03	-4.38%	2,018,100
2026-07-14	54.21	54.40	51.19	52.32	+2.88%	1,838,800
2026-07-13	52.21	52.63	50.16	50.85	-7.32%	1,561,200
2026-07-10	55.99	56.00	53.48	54.87	-4.37%	2,326,600
2026-07-09	54.40	58.48	54.40	57.38	+11.49%	4,709,900
2026-07-08	51.06	52.52	49.60	51.47	-0.16%	3,470,400
2026-07-07	52.97	53.76	50.47	51.55	-8.86%	3,846,200
2026-07-06	57.07	62.00	56.00	56.56	+1.94%	4,571,600
2026-07-02	63.38	63.77	52.88	55.48	-12.21%	4,700,300
2026-07-01	66.84	67.90	63.16	63.20	-9.22%	3,843,600
2026-06-30	66.10	71.77	64.80	69.62	+4.90%	4,379,500
2026-06-29	58.02	67.41	57.30	66.37	+14.65%	6,986,500
2026-06-26	57.34	60.38	56.50	57.89	-3.77%	12,165,500
2026-06-25	58.41	60.80	55.65	60.16	+8.55%	3,602,900
2026-06-24	55.73	56.79	54.18	55.42	-0.18%	2,614,900
2026-06-23	56.80	58.46	55.49	55.52	-9.84%	3,406,700
2026-06-22	61.67	61.67	58.13	61.58	+4.37%	3,464,000
2026-06-18	57.20	59.55	56.29	59.00	+9.30%	4,705,500
2026-06-17	55.44	57.88	53.25	53.98	+1.29%	4,039,700
2026-06-16	54.91	58.13	53.26	53.29	-3.11%	3,534,600
2026-06-15	52.80	55.45	52.53	55.00	+9.12%	2,663,100
2026-06-12	47.96	50.46	47.47	50.41	+5.10%	1,621,400
2026-06-11	45.88	47.98	45.45	47.96	+7.68%	1,424,800
2026-06-10	45.68	47.05	44.00	44.54	-4.48%	1,598,800
2026-06-09	49.22	50.00	43.27	46.63	-3.24%	1,811,000
2026-06-08	47.87	48.24	46.43	48.19	+3.88%	2,070,500
2026-06-05	51.50	51.75	46.10	46.39	-13.48%	2,137,400
2026-06-04	51.02	54.40	50.00	53.62	+0.96%	2,090,800
2026-06-03	50.33	54.10	49.02	53.11	+5.52%	2,881,800
2026-06-02	48.64	50.74	48.40	50.33	+6.79%	2,339,300
2026-06-01	47.23	47.59	46.01	47.13	-1.55%	2,144,100
2026-05-29	51.26	52.80	47.36	47.87	-6.32%	3,650,300
2026-05-28	49.57	51.23	47.78	51.10	+4.29%	2,035,500
2026-05-27	51.59	51.66	48.75	49.00	-3.47%	1,994,600
2026-05-26	47.80	51.35	47.15	50.76	+10.47%	3,012,100
2026-05-22	45.38	46.15	45.11	45.95	+2.80%	1,943,900
2026-05-21	43.74	45.14	43.60	44.70	+0.83%	1,786,200
2026-05-20	42.27	44.57	41.25	44.33	+6.43%	2,462,200
2026-05-19	40.10	41.84	39.57	41.65	+0.73%	2,005,300
2026-05-18	42.85	43.75	40.67	41.35	-4.06%	2,378,300
2026-05-15	43.58	43.78	42.34	43.10	-4.16%	3,526,100
2026-05-14	46.06	46.13	44.84	44.97	-2.18%	1,988,600
2026-05-13	47.66	47.73	45.44	45.97	+0.22%	2,105,000
2026-05-12	47.26	47.62	43.38	45.87	-5.21%	3,507,500
2026-05-11	48.87	49.02	46.15	48.39	-1.14%	3,466,400
2026-05-08	49.17	49.17	47.26	48.95	+2.13%	2,540,500
2026-05-07	43.90	49.49	42.00	47.93	-6.70%	5,318,800
2026-05-06	50.25	51.40	49.54	51.37	+3.40%	3,575,400
2026-05-05	50.25	50.30	48.73	49.68	+0.40%	2,970,200
2026-05-04	49.42	50.19	48.74	49.48	+1.02%	2,283,900
2026-05-01	47.71	49.19	46.82	48.98	+0.99%	2,473,300
2026-04-30	44.64	48.60	44.22	48.50	+10.05%	3,475,100
2026-04-29	42.19	44.41	42.19	44.07	+7.17%	2,696,000
2026-04-28	41.77	42.97	40.97	41.12	-5.41%	2,406,000
2026-04-27	44.13	44.50	42.28	43.47	-1.50%	1,794,200
2026-04-24	45.05	45.09	43.65	44.13	+1.19%	1,945,100
2026-04-23	44.07	45.39	43.04	43.61	+3.17%	2,842,900
2026-04-22	42.29	42.60	40.94	42.27	+2.40%	1,742,700
2026-04-21	40.85	42.02	40.84	41.28	+1.55%	1,712,500
2026-04-20	40.05	40.69	39.75	40.65	+1.62%	1,690,700
2026-04-17	39.02	40.61	38.90	40.00	+4.66%	1,568,800
2026-04-16	37.44	38.33	37.20	38.22	+2.60%	1,553,800
2026-04-15	38.38	38.49	37.00	37.25	-2.67%	1,387,700
2026-04-14	38.54	38.72	37.77	38.27	+0.60%	1,052,700
2026-04-13	36.92	38.63	36.82	38.04	+1.44%	1,582,000
2026-04-10	37.66	38.75	37.44	37.50	+1.30%	1,490,700
2026-04-09	35.80	37.05	35.80	37.02	+3.21%	1,867,300
2026-04-08	36.33	36.75	35.22	35.87	+7.78%	2,886,200
2026-04-07	32.56	33.48	32.56	33.28	+1.43%	1,896,600
2026-04-06	32.66	33.59	32.28	32.81	+0.64%	1,087,800
2026-04-02	31.68	33.83	31.59	32.60	-2.10%	1,313,600
2026-04-01	32.04	34.01	31.98	33.30	+5.61%	2,279,000
2026-03-31	29.42	31.63	29.25	31.53	+12.45%	1,878,300
2026-03-30	30.50	30.61	27.65	28.04	-6.91%	2,291,000
2026-03-27	30.76	31.25	30.08	30.12	-3.55%	1,412,000
2026-03-26	32.85	32.85	30.97	31.23	-4.29%	1,306,100
2026-03-25	33.11	33.30	32.48	32.63	+0.15%	1,440,300
2026-03-24	31.27	33.35	31.23	32.58	+2.65%	1,680,400
2026-03-23	31.00	31.98	30.67	31.74	+5.98%	1,592,800
2026-03-20	30.88	31.04	29.56	29.95	-3.11%	2,351,200
2026-03-19	30.45	31.34	29.80	30.91	-1.94%	2,197,500
2026-03-18	32.14	32.70	31.41	31.52	-1.68%	2,114,000
2026-03-17	31.43	32.88	31.14	32.06	+2.17%	2,615,800
2026-03-16	31.83	32.11	31.34	31.38	+0.80%	1,421,100
2026-03-13	31.86	32.10	30.59	31.13	-0.10%	1,156,600
2026-03-12	32.26	32.51	31.09	31.16	-5.75%	1,383,400
2026-03-11	33.11	33.38	32.72	33.06	-0.33%	1,112,100
2026-03-10	32.85	34.14	32.63	33.17	+0.91%	1,574,392
2026-03-09	31.82	32.89	30.78	32.87	+2.94%	2,391,678
2026-03-06	31.81	32.83	31.62	31.93	-2.59%	1,872,600
2026-03-05	33.42	34.56	32.60	32.78	-3.79%	2,064,500
2026-03-04	35.43	35.43	33.48	34.07	-1.87%	1,554,400
2026-03-03	34.96	35.53	34.32	34.72	-5.11%	2,855,000
2026-03-02	35.00	37.03	34.80	36.59	+0.33%	1,422,000
2026-02-27	35.91	36.63	35.35	36.47	-0.82%	1,727,000
2026-02-26	37.89	38.20	36.01	36.77	-3.54%	2,197,500
2026-02-25	39.20	39.26	37.92	38.12	-2.36%	1,994,600
2026-02-24	38.91	39.66	38.66	39.04	+1.46%	1,795,900
2026-02-23	38.79	39.76	38.30	38.48	-1.16%	2,010,000
2026-02-20	36.06	39.10	36.06	38.93	+7.36%	5,599,400
2026-02-19	37.97	38.31	36.14	36.26	-6.04%	4,904,100
2026-02-18	39.75	40.25	38.02	38.59	-7.44%	4,615,100
2026-02-17	41.56	42.22	40.38	41.69	-1.63%	2,229,400
2026-02-13	43.04	43.52	41.97	42.38	+1.31%	1,564,100
2026-02-12	42.90	43.86	41.63	41.83	-2.29%	1,952,900
2026-02-11	42.31	43.04	41.80	42.81	+2.88%	2,508,800
2026-02-10	41.99	42.20	40.94	41.61	-0.90%	2,358,600
2026-02-09	41.69	42.11	40.83	41.99	+1.01%	2,637,600
2026-02-06	39.22	41.78	39.21	41.57	+7.64%	3,748,700
2026-02-05	37.88	38.88	37.42	38.62	+1.10%	2,779,900
2026-02-04	39.33	40.88	37.30	38.20	-1.77%	3,546,400
2026-02-03	37.73	39.50	37.00	38.89	+3.90%	4,154,100
2026-02-02	36.20	38.29	36.02	37.43	+1.41%	2,752,800
2026-01-30	37.14	38.65	36.24	36.91	-2.82%	5,447,200
2026-01-29	36.96	39.89	34.55	37.98	+9.93%	10,056,900
2026-01-28	33.68	35.39	33.48	34.55	+5.79%	4,803,400
2026-01-27	32.63	32.99	32.26	32.66	+0.52%	2,297,800
2026-01-26	32.99	32.99	31.86	32.49	-1.52%	1,927,100
2026-01-23	33.71	33.77	32.37	32.99	-2.43%	1,686,200
2026-01-22	34.55	34.74	32.97	33.81	-0.53%	2,099,600
2026-01-21	33.56	34.44	33.17	33.99	+3.09%	2,151,400
2026-01-20	32.30	33.47	32.01	32.97	-1.14%	3,016,200
2026-01-16	33.04	34.29	32.94	33.35	+2.02%	2,604,400
2026-01-15	32.98	33.48	32.25	32.69	+1.36%	4,187,500
2026-01-14	30.55	32.98	30.55	32.25	+4.78%	3,442,200
2026-01-13	30.55	31.12	30.32	30.78	+2.02%	1,388,800
2026-01-12	30.94	30.94	29.82	30.17	-3.58%	1,354,700
2026-01-09	31.59	31.59	30.89	31.29	-0.03%	1,117,000
2026-01-08	30.59	31.50	29.73	31.30	+2.15%	1,594,400
2026-01-07	30.93	31.13	29.68	30.64	-2.82%	1,821,200
2026-01-06	28.73	32.38	28.73	31.53	+10.83%	4,066,700
2026-01-05	27.63	30.29	27.59	28.45	+5.72%	2,405,000
2026-01-02	27.00	27.36	26.18	26.91	+2.01%	2,150,600
2025-12-31	26.98	26.98	26.24	26.38	-1.68%	927,400
2025-12-30	26.59	27.01	26.55	26.83	+1.13%	1,063,100
2025-12-29	26.63	26.85	26.32	26.53	-1.27%	854,100
2025-12-26	27.07	27.07	26.59	26.87	-0.30%	658,800
2025-12-24	27.39	27.39	26.51	26.95	-1.82%	1,048,500
2025-12-23	26.52	27.57	26.48	27.45	+2.62%	1,347,700
2025-12-22	27.09	27.34	26.68	26.75	+0.19%	1,663,000
2025-12-19	26.45	26.99	26.25	26.70	+1.06%	3,849,200
2025-12-18	26.10	26.95	26.00	26.42	+3.69%	3,490,800
2025-12-17	26.40	26.55	25.32	25.48	-2.90%	2,660,600
2025-12-16	26.71	26.95	25.73	26.24	-1.80%	2,021,900
2025-12-15	27.18	27.55	26.64	26.72	-1.44%	5,380,500
2025-12-12	28.43	28.93	27.04	27.11	-4.81%	2,266,700
2025-12-11	29.16	29.17	27.95	28.48	-2.70%	2,063,200
2025-12-10	28.83	30.26	28.73	29.27	+1.07%	1,655,100
2025-12-09	28.54	29.28	28.50	28.96	+0.73%	997,300
2025-12-08	29.33	29.34	28.61	28.75	-1.61%	1,176,000
2025-12-05	29.13	29.54	29.10	29.22	+1.39%	1,644,900
2025-12-04	28.74	28.93	28.27	28.82	-0.28%	1,602,500
2025-12-03	26.72	29.04	26.52	28.90	+8.99%	2,099,500
2025-12-02	26.14	26.89	26.00	26.52	+2.10%	1,580,200
2025-12-01	26.20	26.66	25.93	25.97	-2.70%	1,380,700
2025-11-28	26.07	26.76	25.96	26.69	+3.37%	574,600
2025-11-26	25.86	26.39	25.74	25.82	+0.31%	1,368,200
2025-11-25	24.61	25.77	24.37	25.74	+3.66%	1,407,200
2025-11-24	24.16	24.90	23.93	24.83	+3.11%	1,350,900
2025-11-21	22.83	24.19	22.41	24.08	+5.61%	1,711,300
2025-11-20	23.75	24.14	22.64	22.80	-1.85%	2,031,100
2025-11-19	23.32	23.75	23.00	23.23	+0.09%	1,256,300
2025-11-18	23.32	23.68	22.97	23.21	-1.65%	1,454,700
2025-11-17	24.79	24.79	23.42	23.60	-4.49%	1,695,400
2025-11-14	24.56	25.21	24.35	24.71	-2.27%	1,845,600
2025-11-13	26.19	26.44	24.80	25.29	-4.48%	2,231,400
2025-11-12	26.98	27.36	26.28	26.47	-0.53%	2,286,100
2025-11-11	27.43	27.43	26.09	26.61	-3.59%	2,295,400
2025-11-10	27.66	27.89	26.91	27.60	+2.30%	1,554,100
2025-11-07	26.52	27.05	26.12	26.98	-0.85%	1,544,700
2025-11-06	27.45	27.90	26.86	27.21	-0.80%	1,712,300
2025-11-05	27.42	28.36	27.27	27.43	-0.04%	1,787,400
2025-11-04	28.16	28.74	27.28	27.44	-5.18%	2,100,300
2025-11-03	30.35	30.61	28.87	28.94	-3.28%	2,752,900
2025-10-31	30.38	31.20	29.06	29.92	-1.16%	4,042,600
2025-10-30	33.65	33.84	28.59	30.27	-1.53%	5,743,500
2025-10-29	31.36	31.56	30.59	30.74	+0.26%	2,888,800
2025-10-28	30.36	31.82	30.00	30.66	+0.59%	2,674,400
2025-10-27	31.42	32.19	30.01	30.48	-1.39%	3,009,100
2025-10-24	31.73	31.75	30.79	30.91	-0.26%	2,559,600
2025-10-23	30.02	31.17	29.91	30.99	+0.94%	3,278,500
2025-10-22	30.07	31.54	30.07	30.70	-1.13%	3,883,300
2025-10-21	30.64	31.30	30.21	31.05	+1.84%	2,307,500
2025-10-20	29.48	30.98	29.30	30.49	+4.94%	1,933,000
2025-10-17	29.08	29.28	28.46	29.05	-0.94%	1,772,400
2025-10-16	29.11	29.60	29.01	29.33	+1.56%	2,613,200
2025-10-15	28.25	29.65	27.84	28.88	+4.60%	3,079,000
2025-10-14	26.70	28.25	26.54	27.61	+0.73%	1,989,500
2025-10-13	26.93	27.55	26.58	27.41	+5.75%	1,444,600
2025-10-10	27.68	27.90	25.87	25.92	-6.63%	2,454,200
2025-10-09	28.36	28.36	27.02	27.76	-1.84%	2,531,800
2025-10-08	27.52	28.30	27.38	28.28	+2.84%	3,230,800
2025-10-07	28.51	28.58	26.97	27.50	-2.55%	1,756,600
2025-10-06	28.88	28.99	27.80	28.22	-0.35%	1,905,500
2025-10-03	28.64	28.83	28.12	28.32	-0.32%	1,545,800
2025-10-02	28.91	28.98	28.25	28.41	-0.04%	1,486,900
2025-10-01	28.97	29.18	28.04	28.42	-2.67%	1,742,900
2025-09-30	29.26	29.63	28.85	29.20	+0.14%	1,274,200
2025-09-29	30.18	30.31	29.14	29.16	-1.85%	1,497,600
2025-09-26	30.02	30.43	29.52	29.71	-0.74%	966,100
2025-09-25	30.44	30.64	29.73	29.93	-3.67%	1,343,900
2025-09-24	31.40	31.74	31.00	31.07	-1.08%	919,100
2025-09-23	31.66	32.08	31.32	31.41	-0.03%	1,254,100
2025-09-22	31.55	32.11	31.28	31.42	-0.10%	1,433,200
2025-09-19	32.16	32.16	30.73	31.45	-1.56%	3,402,900
2025-09-18	31.70	32.04	31.46	31.95	+3.90%	1,715,400
2025-09-17	30.20	31.30	29.95	30.75	+2.06%	1,237,300
2025-09-16	29.92	30.27	29.79	30.13	+0.87%	987,800
2025-09-15	29.86	30.64	29.71	29.87	+0.23%	1,376,300
2025-09-12	30.22	30.27	29.69	29.80	-0.57%	1,146,800
2025-09-11	30.93	31.20	29.79	29.97	-1.77%	1,604,500
2025-09-10	30.99	31.14	30.00	30.51	-1.33%	2,130,100
2025-09-09	30.44	30.93	30.20	30.92	+1.74%	1,494,100
2025-09-08	30.16	30.67	29.98	30.39	-0.59%	1,642,900
2025-09-05	30.51	30.98	30.29	30.57	+1.56%	1,414,600
2025-09-04	29.51	30.15	28.94	30.10	+0.91%	1,465,000
2025-09-03	30.50	30.63	29.37	29.83	-2.20%	1,136,600
2025-09-02	30.00	30.57	29.45	30.50	-1.13%	1,620,900
2025-08-29	31.79	31.95	30.72	30.85	-3.62%	1,204,000
2025-08-28	31.81	33.20	31.75	32.01	+1.75%	2,170,300
2025-08-27	31.42	31.84	31.23	31.46	-0.60%	1,777,400
2025-08-26	31.97	32.67	31.45	31.65	-0.35%	1,812,800
2025-08-25	32.01	32.16	31.60	31.76	-1.15%	842,200
2025-08-22	31.22	32.93	30.94	32.13	+4.05%	1,365,800
2025-08-21	30.10	30.92	29.98	30.88	+1.31%	802,800
2025-08-20	30.59	31.19	29.82	30.48	-0.52%	2,031,200
2025-08-19	30.86	31.11	30.42	30.64	-0.62%	1,028,000
2025-08-18	30.64	31.02	30.51	30.83	+0.42%	1,158,100
2025-08-15	31.13	31.13	30.55	30.70	-1.29%	1,159,800
2025-08-14	31.13	31.39	30.73	31.10	-2.39%	916,400
2025-08-13	32.07	32.35	31.56	31.86	-0.09%	1,074,300
2025-08-12	30.29	32.22	30.02	31.89	+6.98%	1,715,900
2025-08-11	30.85	30.94	29.71	29.81	-3.12%	1,193,300

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Jun (+22.71%). Worst month: Jul (-10.71%). Based on 5 years of daily data (2022–2026).

Jan+15.23%
Feb+3.18%
Mar-5.77%
Apr+0.95%
May+11.04%
Jun+22.71%
Jul-10.71%
Aug-5.09%
Sep-6.86%
Oct-1.53%
Nov+5.32%
Dec+1.50%

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

Quick answers

What is Allegro Microsystems Inc's (ALGM) latest close?

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

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

71.77 high and 22.41 low over the trailing 52 weeks, as of 2026-08-07.

What is Allegro Microsystems Inc's strongest and weakest month historically?

Historically, ALGM's strongest calendar month has been Jun (average +22.71%) and its weakest Jul (average -10.71%), 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.