Amylyx Pharmaceuticals, Inc. (AMLX)
NASDAQ: AMLX · Real-Time Price · USD
13.49
+0.80 (6.30%)
At close: Oct 7, 2025, 4:00 PM EDT
14.00
+0.51 (3.78%)
After-hours: Oct 7, 2025, 4:49 PM EDT
Amylyx Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 7, 2025 | 12.73 | 13.20 | 12.40 | 13.37 | - | 5.36% | 1,458,221 |
| Oct 6, 2025 | 13.62 | 13.81 | 12.34 | 12.69 | 12.69 | -5.44% | 1,890,940 |
| Oct 3, 2025 | 13.56 | 13.71 | 13.22 | 13.42 | 13.42 | 0.98% | 1,203,422 |
| Oct 2, 2025 | 14.20 | 14.20 | 12.70 | 13.29 | 13.29 | -5.07% | 3,330,753 |
| Oct 1, 2025 | 13.39 | 14.02 | 13.27 | 14.00 | 14.00 | 3.02% | 1,762,822 |
| Sep 30, 2025 | 14.94 | 15.15 | 13.57 | 13.59 | 13.59 | -8.79% | 3,143,878 |
| Sep 29, 2025 | 14.61 | 14.96 | 14.02 | 14.90 | 14.90 | 2.62% | 2,050,293 |
| Sep 26, 2025 | 13.82 | 14.60 | 13.69 | 14.52 | 14.52 | 5.07% | 2,848,680 |
| Sep 25, 2025 | 13.75 | 14.20 | 13.52 | 13.82 | 13.82 | -0.43% | 1,479,903 |
| Sep 24, 2025 | 13.60 | 14.06 | 13.41 | 13.88 | 13.88 | 2.97% | 1,364,977 |
| Sep 23, 2025 | 13.38 | 13.56 | 13.16 | 13.48 | 13.48 | 1.28% | 919,352 |
| Sep 22, 2025 | 13.24 | 13.69 | 13.00 | 13.31 | 13.31 | - | 1,381,314 |
| Sep 19, 2025 | 13.28 | 13.50 | 12.91 | 13.31 | 13.31 | 0.45% | 3,598,438 |
| Sep 18, 2025 | 12.92 | 13.33 | 12.62 | 13.25 | 13.25 | 3.76% | 1,674,046 |
| Sep 17, 2025 | 11.97 | 13.10 | 11.97 | 12.77 | 12.77 | 6.77% | 2,281,545 |
| Sep 16, 2025 | 11.98 | 12.13 | 11.78 | 11.96 | 11.96 | 0.93% | 1,286,261 |
| Sep 15, 2025 | 12.05 | 12.12 | 11.42 | 11.85 | 11.85 | 1.72% | 1,996,702 |
| Sep 12, 2025 | 11.84 | 11.99 | 11.44 | 11.65 | 11.65 | -1.60% | 2,150,389 |
| Sep 11, 2025 | 11.60 | 12.09 | 11.43 | 11.84 | 11.84 | 0.08% | 2,633,513 |
| Sep 10, 2025 | 11.50 | 12.25 | 11.03 | 11.83 | 11.83 | 12.56% | 6,964,192 |
| Sep 9, 2025 | 10.40 | 10.65 | 10.37 | 10.51 | 10.51 | 0.67% | 963,622 |
| Sep 8, 2025 | 10.19 | 10.55 | 10.07 | 10.44 | 10.44 | 2.35% | 1,396,820 |
| Sep 5, 2025 | 10.05 | 10.24 | 9.75 | 10.20 | 10.20 | 2.51% | 1,752,309 |
| Sep 4, 2025 | 9.82 | 10.00 | 9.71 | 9.95 | 9.95 | 1.12% | 753,122 |
| Sep 3, 2025 | 9.95 | 10.06 | 9.61 | 9.84 | 9.84 | -1.40% | 1,638,378 |
| Sep 2, 2025 | 9.20 | 9.99 | 9.15 | 9.98 | 9.98 | 6.40% | 2,667,856 |
| Aug 29, 2025 | 9.45 | 9.55 | 9.18 | 9.38 | 9.38 | -0.42% | 1,675,877 |
| Aug 28, 2025 | 9.41 | 9.72 | 9.29 | 9.42 | 9.42 | -0.32% | 1,494,198 |
| Aug 27, 2025 | 9.22 | 9.51 | 8.94 | 9.45 | 9.45 | 3.17% | 2,121,054 |
| Aug 26, 2025 | 8.58 | 9.19 | 8.48 | 9.16 | 9.16 | 7.76% | 953,006 |
| Aug 25, 2025 | 9.25 | 9.35 | 8.47 | 8.50 | 8.50 | -8.60% | 2,061,440 |
| Aug 22, 2025 | 8.47 | 9.38 | 8.46 | 9.30 | 9.30 | 10.32% | 2,719,589 |
| Aug 21, 2025 | 7.96 | 8.49 | 7.96 | 8.43 | 8.43 | 4.98% | 1,255,712 |
| Aug 20, 2025 | 7.82 | 8.25 | 7.82 | 8.03 | 8.03 | 2.69% | 1,196,100 |
| Aug 19, 2025 | 7.97 | 8.02 | 7.63 | 7.82 | 7.82 | -2.13% | 858,752 |
| Aug 18, 2025 | 7.99 | 8.19 | 7.86 | 7.99 | 7.99 | -0.12% | 1,299,853 |
| Aug 15, 2025 | 8.43 | 8.47 | 7.92 | 8.00 | 8.00 | -4.88% | 782,265 |
| Aug 14, 2025 | 8.18 | 8.45 | 8.15 | 8.41 | 8.41 | 1.33% | 540,693 |
| Aug 13, 2025 | 8.22 | 8.49 | 8.10 | 8.30 | 8.30 | 1.22% | 686,833 |
| Aug 12, 2025 | 7.92 | 8.31 | 7.82 | 8.20 | 8.20 | 4.86% | 738,036 |
| Aug 11, 2025 | 7.68 | 7.87 | 7.61 | 7.82 | 7.82 | 2.36% | 593,912 |
| Aug 8, 2025 | 7.82 | 7.85 | 7.48 | 7.64 | 7.64 | -2.55% | 880,307 |
| Aug 7, 2025 | 8.00 | 8.13 | 7.68 | 7.84 | 7.84 | -4.27% | 1,082,667 |
| Aug 6, 2025 | 8.13 | 8.27 | 7.98 | 8.19 | 8.19 | 0.12% | 957,288 |
| Aug 5, 2025 | 7.98 | 8.30 | 7.86 | 8.18 | 8.18 | 2.76% | 855,121 |
| Aug 4, 2025 | 7.68 | 8.12 | 7.56 | 7.96 | 7.96 | 3.18% | 926,447 |
| Aug 1, 2025 | 7.87 | 8.08 | 7.69 | 7.72 | 7.72 | -3.92% | 1,838,760 |
| Jul 31, 2025 | 7.94 | 8.29 | 7.84 | 8.03 | 8.03 | 0.75% | 1,158,829 |
| Jul 30, 2025 | 8.02 | 8.28 | 7.87 | 7.97 | 7.97 | 0.25% | 980,588 |
| Jul 29, 2025 | 8.01 | 8.10 | 7.84 | 7.95 | 7.95 | -0.50% | 897,944 |