AMLX Historical Price | Market Close

Amylyx Pharmaceuticals, Inc.

High: 39.66; on 08/20/26
Low: 10.44; on 09/08/25
Average: 16.2453; 1.69mm
Net Chg: 23.44; +224.52%

Range-PeriodFields

252 daily bars · USD · High, Low and Average are close-basis over the range.

Date	Last Price	Volume
Tu 09/08/26	33.88	1,166,500
Fr 09/04/26	34.10	885,500
Th 09/03/26	33.96	1,556,700
We 09/02/26	34.49	1,938,300
Tu 09/01/26	33.81	1,821,445
Mo 08/31/26	33.75	2,728,867
Fr 08/28/26	34.74	1,361,345
Th 08/27/26	37.18	1,988,081
We 08/26/26	37.08	2,639,322
Tu 08/25/26	37.46	2,142,804
Mo 08/24/26	38.15	3,714,173
Fr 08/21/26	38.66	4,641,200
Th 08/20/26	39.66	8,540,900
We 08/19/26	38.60	8,262,300
Tu 08/18/26	35.11	23,980,300
Mo 08/17/26	21.43	1,267,100
Fr 08/14/26	21.63	1,588,600
Th 08/13/26	22.48	839,400
We 08/12/26	23.35	1,454,100
Tu 08/11/26	23.63	833,900
Mo 08/10/26	22.67	1,331,100
Fr 08/07/26	22.82	2,678,300

Date	Last Price	Volume
Th 08/06/26	24.19	3,537,800
We 08/05/26	21.85	1,772,200
Tu 08/04/26	21.87	3,426,200
Mo 08/03/26	20.17	1,685,200
Fr 07/31/26	20.31	1,832,500
Th 07/30/26	20.75	3,552,900
We 07/29/26	19.73	2,070,700
Tu 07/28/26	19.55	3,410,900
Mo 07/27/26	19.49	2,580,800

Date	Last Price	Volume
Tu 07/07/26	18.17	1,517,100
Mo 07/06/26	17.97	1,375,900
Th 07/02/26	18.27	1,392,700
We 07/01/26	17.95	1,797,200
Tu 06/30/26	17.96	2,879,400
Mo 06/29/26	18.70	2,423,800
Fr 06/26/26	17.79	3,562,200
Th 06/25/26	17.44	3,504,200
We 06/24/26	17.00

Date	Last Price	Volume
We 06/03/26	13.20	1,026,800
Tu 06/02/26	13.29	1,650,900
Mo 06/01/26	14.07	687,100
Fr 05/29/26	14.35	923,900
Th 05/28/26	14.22	563,700
We 05/27/26	14.07	580,200
Tu 05/26/26	13.68	674,400
Fr 05/22/26	13.58	818,500
Th 05/21/26	13.93

Date	Last Price	Volume
Fr 05/01/26	16.01	756,100
Th 04/30/26	16.00	1,072,700
We 04/29/26	15.60	1,201,000
Tu 04/28/26	16.31	986,000
Mo 04/27/26	16.88	859,100
Fr 04/24/26	17.04	686,600
Th 04/23/26	17.32	498,100
We 04/22/26	17.52	657,000
Tu 04/21/26	17.59	825,000

Date	Last Price	Volume
Tu 03/31/26	13.90	1,246,100
Mo 03/30/26	12.76	993,100
Fr 03/27/26	13.55	1,216,700
Th 03/26/26	13.47	735,200
We 03/25/26	13.83	1,059,300
Tu 03/24/26	13.66	2,123,000
Mo 03/23/26	13.53	895,800
Fr 03/20/26	13.81	1,572,100
Th 03/19/26	14.05

Date	Last Price	Volume
Fr 02/27/26	15.17	1,244,300
Th 02/26/26	15.26	1,062,400
We 02/25/26	14.37	592,100
Tu 02/24/26	14.71	1,307,600
Mo 02/23/26	13.90	785,800
Fr 02/20/26	14.01	718,400
Th 02/19/26	14.02	740,200
We 02/18/26	14.10	469,600
Tu 02/17/26	14.13	600,300

Date	Last Price	Volume
Tu 01/27/26	15.47	1,673,000
Mo 01/26/26	15.01	1,541,500
Fr 01/23/26	15.76	1,379,300
Th 01/22/26	16.23	2,153,000
We 01/21/26	16.92	3,601,400
Tu 01/20/26	16.55	4,419,500
Fr 01/16/26	14.30	1,714,500
Th 01/15/26	13.52	2,364,900
We 01/14/26	14.07

Date	Last Price	Volume
Tu 12/23/25	12.31	1,297,900
Mo 12/22/25	12.50	1,596,500
Fr 12/19/25	12.02	6,196,200
Th 12/18/25	11.92	1,378,800
We 12/17/25	11.87	1,673,600
Tu 12/16/25	12.31	1,217,600
Mo 12/15/25	12.56	1,505,300
Fr 12/12/25	13.10	829,800
Th 12/11/25	13.07

Date	Last Price	Volume
Th 11/20/25	13.57	1,030,600
We 11/19/25	14.32	1,481,300
Tu 11/18/25	13.95	1,288,600
Mo 11/17/25	13.98	2,169,000
Fr 11/14/25	12.69	1,563,200
Th 11/13/25	12.42	1,053,000
We 11/12/25	12.33	1,295,900
Tu 11/11/25	12.68	1,333,200
Mo 11/10/25	12.18	3,111,400

Date	Last Price	Volume
Tu 10/21/25	15.29	2,754,400
Mo 10/20/25	15.37	1,616,100
Fr 10/17/25	14.95	1,883,900
Th 10/16/25	15.17	1,640,100
We 10/15/25	15.79	3,284,500
Tu 10/14/25	14.19	651,000
Mo 10/13/25	14.12	1,616,600
Fr 10/10/25	14.26	1,888,300
Th 10/09/25	14.47

Date	Last Price	Volume
Fr 09/19/25	13.31	3,598,300
Th 09/18/25	13.25	1,674,000
We 09/17/25	12.77	2,281,500
Tu 09/16/25	11.96	1,286,300
Mo 09/15/25	11.85	1,996,700
Fr 09/12/25	11.65	2,150,000
Th 09/11/25	11.84	2,633,400
We 09/10/25	11.83	6,964,100
Tu 09/09/25	10.51	963,600