Amylyx Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 19, 2026	26.48	27.15	26.27	26.44	26.44	0.38%	153,556
Oct 16, 2026	27.65	27.65	26.20	26.34	26.34	-4.74%	1,150,549
Oct 15, 2026	27.68	28.34	27.45	27.65	27.65	2.29%	882,372
Oct 14, 2026	26.80	27.77	26.46	27.03	27.03	0.67%	1,166,123
Oct 13, 2026	27.49	27.69	26.80	26.85	26.85	-2.29%	1,059,774
Oct 12, 2026	28.04	28.49	27.40	27.48	27.48	-2.35%	1,106,088
Oct 9, 2026	27.32	28.60	26.94	28.14	28.14	3.46%	1,471,272
Oct 8, 2026	27.01	27.53	26.04	27.20	27.20	-0.84%	2,319,069
Oct 7, 2026	27.72	28.46	27.21	27.43	27.43	-2.18%	2,056,628
Oct 6, 2026	27.97	28.50	27.00	28.04	28.04	0.94%	1,274,349
Oct 5, 2026	27.92	28.09	27.34	27.78	27.78	-0.04%	940,046
Oct 2, 2026	28.50	28.81	27.64	27.79	27.79	-1.03%	912,331
Oct 1, 2026	28.62	29.28	27.55	28.08	28.08	-3.51%	1,354,091
Sep 30, 2026	29.47	29.62	28.64	29.10	29.10	-0.61%	1,306,897
Sep 29, 2026	29.87	30.10	28.99	29.28	29.28	-1.91%	1,042,706
Sep 28, 2026	29.10	30.14	28.71	29.85	29.85	1.22%	976,934
Sep 25, 2026	30.28	30.70	29.47	29.49	29.49	-2.16%	1,186,025
Sep 24, 2026	30.73	31.00	29.83	30.14	30.14	-1.52%	1,420,144
Sep 23, 2026	32.88	33.02	30.53	30.61	30.61	-7.26%	1,824,751
Sep 22, 2026	32.52	33.19	32.25	33.00	33.00	1.88%	1,356,877
Sep 21, 2026	32.55	33.16	31.90	32.39	32.39	-0.06%	966,456
Sep 18, 2026	34.21	34.21	32.25	32.41	32.41	-4.51%	2,036,760
Sep 17, 2026	33.33	34.35	32.95	33.94	33.94	4.01%	1,504,727
Sep 16, 2026	33.05	33.75	32.10	32.63	32.63	-1.57%	1,365,130
Sep 15, 2026	33.22	33.54	32.36	33.15	33.15	-1.46%	1,825,709
Sep 14, 2026	31.84	33.96	31.57	33.64	33.64	6.39%	1,816,909
Sep 11, 2026	32.09	33.00	31.37	31.62	31.62	-1.46%	1,712,676
Sep 10, 2026	31.81	32.57	31.44	32.09	32.09	-0.96%	1,670,387
Sep 9, 2026	33.50	34.35	32.30	32.40	32.40	-4.37%	1,284,435
Sep 8, 2026	33.49	34.72	33.10	33.88	33.88	-0.65%	1,144,868
Sep 4, 2026	33.38	34.24	33.38	34.10	34.10	0.41%	885,077
Sep 3, 2026	34.49	35.31	33.73	33.96	33.96	-1.54%	1,369,101
Sep 2, 2026	34.00	35.48	34.00	34.49	34.49	2.01%	1,826,848
Sep 1, 2026	33.49	34.21	32.99	33.81	33.81	0.18%	1,821,376
Aug 31, 2026	34.77	35.09	32.98	33.75	33.75	-2.85%	2,655,593
Aug 28, 2026	36.78	37.68	34.48	34.74	34.74	-6.56%	1,361,026
Aug 27, 2026	36.75	38.23	36.53	37.18	37.18	0.27%	1,562,823
Aug 26, 2026	37.13	37.69	35.79	37.08	37.08	-1.01%	2,815,278
Aug 25, 2026	38.50	38.88	36.84	37.46	37.46	-1.81%	2,147,376
Aug 24, 2026	38.64	39.38	37.45	38.15	38.15	-1.32%	3,714,467
Aug 21, 2026	39.80	41.14	38.35	38.66	38.66	-2.52%	4,644,894
Aug 20, 2026	37.49	40.44	37.37	39.66	39.66	2.75%	8,540,882
Aug 19, 2026	36.13	39.07	35.32	38.60	38.60	9.94%	8,262,303
Aug 18, 2026	29.91	35.39	28.00	35.11	35.11	63.84%	23,980,271
Aug 17, 2026	21.96	22.47	21.28	21.43	21.43	-0.92%	1,267,094
Aug 14, 2026	22.35	22.39	21.29	21.63	21.63	-3.78%	1,588,794
Aug 13, 2026	23.37	23.64	22.46	22.48	22.48	-3.73%	839,453
Aug 12, 2026	23.86	24.09	23.30	23.35	23.35	-1.18%	1,454,262
Aug 11, 2026	22.78	23.73	22.19	23.63	23.63	4.23%	833,858
Aug 10, 2026	22.68	23.03	22.00	22.67	22.67	-0.66%	1,331,114