Amylyx Pharmaceuticals Stock Price History
NASDAQ: AMLXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
AMLX price history at a glance
The price history for Amylyx Pharmaceuticals (AMLX) on this page begins on January 3, 2022, when the stock closed at $18.07; it most recently closed at $28.14 on October 5, 2026. The highest price in this record is $41.93, reached on January 30, 2023; the latest close is 32.9% below that peak. Across the 4 complete calendar years in the table, AMLX finished higher in 2 and lower in 2. Its best year was 2025 (+175.2%) and its worst was 2024 (-71.8%).
Over roughly 5 years the share price changed +55.7%, a 9.8% compound annual price return (excluding dividends). In the last 12 months alone, AMLX has gained 94.5%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2022
- $41.93
- Date of high
- Jan 30, 2023
- Low since 2022
- $1.58
- Date of low
- Jun 17, 2024
- 52-week high
- $41.14
- 52-week low
- $10.83
- IPO year
- 2022
- Last close
- $28.14
AMLX returns
1 week
+1.26%
1 month
-13.15%
3 months
+58.36%
6 months
+72.00%
Year to date
+132.95%
1 year
+94.47%
3 years
+57.04%
AMLX price return, excluding dividends.
AMLX annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 28.14 | +146.41% |
| 2025 | 11.42 | +175.18% |
| 2024 | 4.15 | -71.81% |
| 2023 | 14.72 | -60.16% |
| 2022 | 36.95 | +104.48% |
2026 return is year to date.
AMLX daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 27.32 | 28.60 | 27.00 | 28.14 | +3.46% | |
| 27.01 | 27.53 | 26.06 | 27.20 | -0.84% | |
| 27.72 | 28.46 | 27.21 | 27.43 | -2.18% | |
| 27.97 | 28.50 | 27.00 | 28.04 | +0.94% | |
| 27.92 | 28.09 | 27.34 | 27.78 | -0.04% | |
| 28.50 | 28.81 | 27.64 | 27.79 | -1.03% | |
| 28.62 | 29.28 | 27.55 | 28.08 | -3.51% | |
| 29.47 | 29.62 | 28.64 | 29.10 | -0.61% | |
| 29.87 | 30.10 | 28.99 | 29.28 | -1.91% | |
| 29.10 | 30.14 | 28.71 | 29.85 | +1.22% | |
| 30.28 | 30.70 | 29.47 | 29.49 | -2.16% | |
| 30.73 | 31.00 | 29.83 | 30.14 | -1.52% | |
| 32.88 | 33.02 | 30.53 | 30.61 | -7.26% | |
| 32.52 | 33.19 | 32.25 | 33.00 | +1.88% | |
| 32.55 | 33.16 | 31.90 | 32.39 | -0.06% | |
| 34.21 | 34.21 | 32.25 | 32.41 | -4.51% | |
| 33.33 | 34.35 | 32.95 | 33.94 | +4.01% | |
| 33.05 | 33.75 | 32.10 | 32.63 | -1.57% | |
| 33.22 | 33.54 | 32.36 | 33.15 | -1.46% | |
| 31.84 | 33.96 | 31.57 | 33.64 | +6.39% | |
| 32.09 | 33.00 | 31.37 | 31.62 | -1.46% | |
| 31.81 | 32.57 | 31.44 | 32.09 | -0.96% | |
| 33.50 | 34.35 | 32.30 | 32.40 | -4.37% | |
| 33.49 | 34.72 | 33.10 | 33.88 | -0.65% | |
| 33.38 | 34.24 | 33.38 | 34.10 | +0.41% | |
| 34.49 | 35.31 | 33.73 | 33.96 | -1.54% | |
| 34.00 | 35.48 | 34.00 | 34.49 | +2.01% | |
| 33.49 | 34.21 | 32.99 | 33.81 | +0.18% | |
| 34.77 | 35.09 | 32.98 | 33.75 | -2.85% | |
| 36.78 | 37.68 | 34.48 | 34.74 | -6.56% | |
| 36.75 | 38.23 | 36.53 | 37.18 | +0.27% | |
| 37.13 | 37.69 | 35.79 | 37.08 | -1.01% | |
| 38.50 | 38.88 | 36.84 | 37.46 | -1.81% | |
| 38.64 | 39.38 | 37.45 | 38.15 | -1.32% | |
| 39.80 | 41.14 | 38.35 | 38.66 | -2.52% | |
| 37.49 | 40.44 | 37.37 | 39.66 | +2.75% | |
| 36.13 | 39.07 | 35.32 | 38.60 | +9.94% | |
| 29.91 | 35.39 | 28.00 | 35.11 | +63.84% | |
| 21.96 | 22.47 | 21.28 | 21.43 | -0.92% | |
| 22.35 | 22.39 | 21.29 | 21.63 | -3.78% | |
| 23.37 | 23.64 | 22.46 | 22.48 | -3.73% | |
| 23.86 | 24.09 | 23.30 | 23.35 | -1.18% | |
| 22.78 | 23.73 | 22.19 | 23.63 | +4.23% | |
| 22.68 | 23.03 | 22.00 | 22.67 | -0.66% | |
| 24.19 | 24.60 | 22.56 | 22.82 | -5.66% | |
| 21.10 | 24.36 | 21.10 | 24.19 | +10.71% | |
| 22.06 | 22.17 | 21.52 | 21.85 | -0.09% | |
| 20.34 | 22.28 | 20.33 | 21.87 | +8.43% | |
| 20.29 | 20.47 | 19.30 | 20.17 | -0.69% | |
| 20.74 | 20.87 | 19.30 | 20.31 | -2.12% | |
| 19.69 | 20.94 | 19.31 | 20.75 | +5.17% | |
| 19.50 | 20.21 | 19.05 | 19.73 | +0.92% | |
| 19.79 | 19.99 | 18.91 | 19.55 | +0.31% | |
| 18.50 | 19.60 | 18.08 | 19.49 | +5.87% | |
| 17.61 | 18.42 | 17.22 | 18.41 | +4.66% | |
| 17.17 | 18.04 | 17.00 | 17.59 | -0.62% | |
| 18.33 | 18.65 | 17.69 | 17.70 | -4.32% | |
| 17.44 | 18.86 | 17.38 | 18.50 | +6.02% | |
| 18.00 | 18.53 | 17.44 | 17.45 | -1.69% | |
| 16.70 | 18.08 | 16.52 | 17.75 | +4.29% | |
| 17.75 | 17.93 | 16.80 | 17.02 | -4.27% | |
| 18.36 | 18.36 | 17.31 | 17.78 | -2.31% | |
| 17.48 | 18.54 | 17.11 | 18.20 | +4.54% | |
| 17.51 | 17.53 | 16.96 | 17.41 | -2.03% | |
| 18.34 | 18.34 | 17.15 | 17.77 | -3.32% | |
| 18.02 | 18.51 | 17.99 | 18.38 | +2.80% | |
| 18.15 | 18.54 | 17.42 | 17.88 | -1.60% | |
| 18.04 | 18.59 | 17.75 | 18.17 | +1.11% | |
| 18.01 | 18.61 | 17.56 | 17.97 | -1.64% | |
| 18.12 | 18.60 | 17.52 | 18.27 | +1.78% | |
| 17.84 | 18.05 | 17.38 | 17.95 | -0.06% | |
| 18.79 | 19.15 | 17.84 | 17.96 | -3.96% | |
| 17.79 | 18.75 | 17.46 | 18.70 | +5.12% | |
| 17.41 | 18.04 | 17.15 | 17.79 | +2.01% | |
| 17.47 | 18.74 | 17.26 | 17.44 | +2.59% | |
| 16.31 | 17.15 | 16.14 | 17.00 | +3.85% | |
| 16.06 | 17.17 | 15.71 | 16.37 | +0.55% | |
| 15.91 | 16.38 | 15.73 | 16.28 | +3.89% | |
| 15.32 | 16.20 | 15.32 | 15.67 | +2.75% | |
| 15.12 | 15.57 | 15.03 | 15.25 | +1.33% | |
| 15.07 | 15.69 | 14.81 | 15.05 | -0.92% | |
| 14.79 | 16.08 | 14.69 | 15.19 | +4.11% | |
| 13.90 | 14.87 | 13.84 | 14.59 | +4.89% | |
| 13.46 | 14.00 | 13.12 | 13.91 | +3.34% | |
| 13.59 | 14.16 | 13.26 | 13.46 | -0.66% | |
| 13.25 | 13.86 | 13.08 | 13.55 | +4.15% | |
| 13.51 | 13.56 | 12.62 | 13.01 | -2.33% | |
| 14.25 | 14.47 | 12.97 | 13.32 | -6.92% | |
| 13.25 | 14.41 | 13.24 | 14.31 | +8.41% | |
| 13.30 | 13.53 | 13.01 | 13.20 | -0.68% | |
| 13.85 | 13.93 | 12.80 | 13.29 | -5.54% | |
| 14.09 | 14.24 | 13.90 | 14.07 | -1.95% | |
| 14.19 | 14.37 | 13.95 | 14.35 | +0.91% | |
| 13.96 | 14.28 | 13.85 | 14.22 | +1.07% | |
| 13.91 | 14.25 | 13.74 | 14.07 | +2.85% | |
| 13.67 | 13.96 | 13.44 | 13.68 | +0.74% | |
| 13.95 | 14.06 | 13.57 | 13.58 | -2.51% | |
| 13.51 | 13.97 | 13.19 | 13.93 | +2.35% | |
| 12.93 | 13.71 | 12.81 | 13.61 | +6.83% | |
| 12.79 | 12.99 | 12.44 | 12.74 | -0.93% | |
| 13.41 | 13.56 | 12.63 | 12.86 | -3.20% | |
| 13.54 | 13.90 | 13.17 | 13.29 | -4.29% | |
| 14.68 | 14.71 | 13.87 | 13.88 | -4.80% | |
| 14.37 | 14.80 | 14.24 | 14.58 | +0.97% | |
| 14.81 | 14.83 | 14.22 | 14.44 | -2.96% | |
| 14.84 | 15.23 | 14.70 | 14.88 | +1.02% | |
| 15.20 | 15.46 | 14.51 | 14.73 | -3.09% | |
| 15.98 | 15.98 | 14.70 | 15.20 | -5.35% | |
| 16.51 | 16.56 | 15.60 | 16.06 | -2.25% | |
| 16.61 | 16.94 | 15.98 | 16.43 | -0.18% | |
| 15.88 | 16.46 | 15.78 | 16.46 | +2.81% | |
| 16.09 | 16.19 | 15.59 | 16.01 | +0.06% | |
| 15.63 | 16.12 | 15.47 | 16.00 | +2.56% | |
| 16.18 | 16.18 | 15.39 | 15.60 | -4.35% | |
| 17.05 | 17.56 | 16.11 | 16.31 | -3.38% | |
| 16.99 | 17.89 | 16.82 | 16.88 | -0.94% | |
| 17.35 | 17.53 | 16.71 | 17.04 | -1.62% | |
| 17.52 | 17.69 | 17.06 | 17.32 | -1.14% | |
| 17.92 | 17.92 | 17.28 | 17.52 | -0.40% | |
| 17.60 | 17.77 | 17.16 | 17.59 | +0.11% | |
| 18.16 | 18.20 | 17.50 | 17.57 | -4.30% | |
| 18.11 | 18.61 | 17.75 | 18.36 | +3.55% | |
| 17.06 | 17.91 | 16.84 | 17.73 | +3.56% | |
| 16.93 | 17.16 | 16.59 | 17.12 | +1.18% | |
| 16.60 | 17.33 | 16.46 | 16.92 | +2.73% | |
| 16.26 | 16.66 | 16.05 | 16.47 | +0.67% | |
| 17.36 | 17.36 | 16.34 | 16.36 | -5.54% | |
| 16.56 | 17.36 | 16.51 | 17.32 | +2.36% | |
| 16.76 | 17.06 | 16.26 | 16.92 | +4.00% | |
| 15.68 | 16.30 | 15.51 | 16.27 | +2.84% | |
| 14.94 | 16.20 | 14.90 | 15.82 | +5.82% | |
| 14.00 | 15.23 | 13.93 | 14.95 | +4.18% | |
| 14.17 | 14.66 | 13.88 | 14.35 | +3.24% | |
| 12.93 | 14.15 | 12.91 | 13.90 | +8.93% | |
| 13.54 | 13.79 | 12.68 | 12.76 | -5.83% | |
| 13.44 | 13.84 | 13.32 | 13.55 | +0.59% | |
| 13.57 | 13.88 | 13.42 | 13.47 | -2.60% | |
| 13.94 | 14.27 | 13.77 | 13.83 | +1.24% | |
| 13.38 | 13.70 | 13.20 | 13.66 | +0.96% | |
| 14.17 | 14.44 | 13.52 | 13.53 | -2.03% | |
| 14.13 | 14.35 | 13.69 | 13.81 | -1.71% | |
| 13.98 | 14.37 | 13.65 | 14.05 | +1.89% | |
| 14.15 | 14.16 | 13.69 | 13.79 | -3.50% | |
| 14.30 | 14.47 | 14.17 | 14.29 | -0.63% | |
| 14.19 | 14.79 | 14.11 | 14.38 | +2.79% | |
| 14.50 | 15.01 | 13.78 | 13.99 | -2.71% | |
| 14.25 | 14.53 | 13.55 | 14.38 | -3.68% | |
| 14.75 | 15.26 | 14.41 | 14.93 | -0.33% | |
| 14.31 | 15.19 | 13.96 | 14.98 | +4.68% | |
| 14.03 | 14.57 | 13.53 | 14.31 | +3.32% | |
| 13.82 | 14.37 | 13.67 | 13.85 | -1.77% | |
| 14.88 | 14.88 | 13.80 | 14.10 | -6.31% | |
| 14.07 | 15.25 | 13.92 | 15.05 | +6.66% | |
| 15.42 | 15.70 | 13.75 | 14.11 | -7.78% | |
| 15.00 | 15.48 | 14.40 | 15.30 | +0.86% | |
| 15.00 | 15.45 | 14.99 | 15.17 | -0.59% | |
| 14.54 | 15.32 | 14.16 | 15.26 | +6.19% | |
| 14.84 | 14.99 | 14.29 | 14.37 | -2.31% | |
| 13.90 | 14.82 | 13.90 | 14.71 | +5.83% | |
| 14.01 | 14.53 | 13.78 | 13.90 | -0.79% | |
| 14.45 | 14.53 | 13.63 | 14.01 | -0.07% | |
| 14.00 | 14.12 | 13.61 | 14.02 | -0.57% | |
| 13.99 | 14.62 | 13.83 | 14.10 | -0.21% | |
| 14.00 | 14.70 | 13.87 | 14.13 | +0.07% | |
| 14.00 | 14.45 | 13.82 | 14.12 | +0.36% | |
| 14.47 | 14.77 | 13.91 | 14.07 | -1.95% | |
| 14.91 | 15.08 | 13.95 | 14.35 | -3.63% | |
| 14.86 | 15.11 | 14.56 | 14.89 | +4.71% | |
| 13.95 | 14.25 | 13.58 | 14.22 | +1.72% | |
| 13.35 | 14.08 | 13.27 | 13.98 | +7.62% | |
| 13.76 | 14.20 | 12.94 | 12.99 | -6.41% | |
| 14.55 | 14.66 | 13.66 | 13.88 | -4.21% | |
| 14.73 | 15.53 | 14.17 | 14.49 | -1.23% | |
| 14.29 | 15.00 | 14.29 | 14.67 | +2.66% | |
| 14.76 | 15.00 | 14.04 | 14.29 | -3.77% | |
| 14.42 | 15.00 | 14.21 | 14.85 | +2.38% | |
| 15.48 | 15.70 | 14.47 | 14.51 | -6.24% | |
| 15.00 | 15.79 | 14.85 | 15.47 | +3.06% | |
| 15.60 | 15.62 | 14.92 | 15.01 | -4.76% | |
| 16.16 | 16.53 | 15.63 | 15.76 | -2.90% | |
| 17.00 | 17.49 | 16.14 | 16.23 | -4.08% | |
| 16.34 | 17.20 | 16.15 | 16.92 | +2.24% | |
| 13.99 | 16.80 | 13.90 | 16.55 | +15.73% | |
| 13.56 | 14.65 | 13.45 | 14.30 | +5.77% | |
| 14.13 | 14.26 | 13.22 | 13.52 | -3.91% | |
| 12.61 | 14.12 | 12.59 | 14.07 | +11.67% | |
| 12.38 | 12.62 | 12.08 | 12.60 | +1.69% | |
| 12.22 | 12.47 | 12.18 | 12.39 | +1.47% | |
| 11.88 | 12.50 | 11.77 | 12.21 | +3.21% | |
| 12.17 | 12.17 | 11.46 | 11.83 | -1.33% | |
| 11.45 | 12.19 | 11.42 | 11.99 | +5.36% | |
| 11.30 | 11.42 | 10.88 | 11.38 | -0.09% | |
| 11.37 | 11.48 | 10.83 | 11.39 | -0.26% | |
| 12.00 | 12.11 | 11.06 | 11.42 | -5.46% | |
| 12.02 | 12.19 | 11.78 | 12.08 | +0.67% | |
| 12.22 | 12.43 | 11.92 | 12.00 | -1.56% | |
| 12.29 | 12.58 | 12.07 | 12.19 | -1.14% | |
| 12.39 | 12.55 | 12.15 | 12.33 | -1.28% | |
| 12.60 | 12.68 | 12.26 | 12.49 | +1.46% | |
| 12.45 | 12.80 | 12.17 | 12.31 | -1.52% | |
| 12.20 | 12.60 | 11.92 | 12.50 | +3.99% | |
| 11.94 | 12.36 | 11.90 | 12.02 | +0.84% | |
| 11.93 | 12.17 | 11.79 | 11.92 | +0.42% | |
| 12.31 | 12.57 | 11.69 | 11.87 | -3.57% | |
| 12.67 | 12.93 | 12.16 | 12.31 | -1.99% | |
| 13.25 | 13.41 | 12.41 | 12.56 | -4.12% | |
| 13.15 | 13.44 | 12.92 | 13.10 | +0.23% | |
| 13.24 | 13.38 | 12.69 | 13.07 | -1.21% | |
| 13.25 | 13.40 | 12.78 | 13.23 | -0.08% | |
| 13.73 | 13.93 | 13.12 | 13.24 | -3.15% | |
| 14.29 | 14.76 | 13.65 | 13.67 | -3.73% | |
| 14.54 | 15.06 | 14.09 | 14.20 | -2.00% | |
| 14.07 | 14.64 | 13.92 | 14.49 | +1.97% | |
| 13.80 | 14.47 | 13.50 | 14.21 | +3.35% | |
| 14.23 | 14.33 | 13.56 | 13.75 | -3.44% | |
| 14.67 | 14.91 | 14.00 | 14.24 | -4.94% | |
| 15.12 | 15.24 | 14.70 | 14.98 | -0.13% | |
| 14.86 | 15.14 | 14.67 | 15.00 | +0.81% | |
| 14.75 | 15.21 | 14.48 | 14.88 | +0.40% | |
| 14.87 | 15.39 | 14.65 | 14.82 | +1.02% | |
| 13.42 | 14.84 | 13.08 | 14.67 | +8.11% | |
| 14.56 | 14.94 | 13.52 | 13.57 | -5.24% | |
| 13.97 | 15.09 | 13.90 | 14.32 | +2.65% | |
| 13.85 | 14.12 | 13.41 | 13.95 | -0.21% | |
| 12.71 | 14.34 | 12.61 | 13.98 | +10.17% | |
| 12.38 | 12.80 | 12.15 | 12.69 | +2.17% | |
| 12.21 | 12.57 | 11.93 | 12.42 | +0.73% | |
| 12.74 | 12.79 | 12.26 | 12.33 | -2.76% | |
| 12.06 | 12.76 | 12.06 | 12.68 | +4.11% | |
| 13.17 | 13.17 | 11.79 | 12.18 | -1.06% | |
| 12.56 | 12.56 | 11.91 | 12.31 | -1.20% | |
| 12.98 | 13.20 | 12.23 | 12.46 | -5.89% | |
| 13.55 | 13.89 | 13.03 | 13.24 | -3.64% | |
| 13.16 | 13.88 | 13.11 | 13.74 | +1.03% | |
| 13.88 | 13.96 | 13.30 | 13.60 | -2.37% | |
| 14.01 | 14.06 | 13.68 | 13.93 | -0.85% | |
| 13.60 | 14.25 | 13.54 | 14.05 | +1.15% | |
| 14.32 | 14.37 | 13.77 | 13.89 | -3.00% | |
| 14.23 | 14.41 | 13.96 | 14.32 | +0.63% | |
| 14.63 | 14.63 | 14.05 | 14.23 | +0.42% | |
| 14.52 | 14.61 | 14.03 | 14.17 | -0.98% | |
| 14.82 | 15.07 | 13.88 | 14.31 | -3.44% | |
| 14.98 | 15.46 | 14.32 | 14.82 | -3.07% | |
| 15.90 | 16.96 | 15.10 | 15.29 | -0.52% | |
| 15.11 | 15.41 | 14.67 | 15.37 | +2.81% | |
| 15.17 | 15.25 | 14.40 | 14.95 | -1.45% | |
| 15.93 | 15.93 | 14.87 | 15.17 | -3.93% | |
| 14.60 | 15.94 | 13.99 | 15.79 | +11.28% | |
| 14.05 | 14.25 | 13.60 | 14.19 | +0.50% | |
| 14.24 | 14.31 | 13.92 | 14.12 | -0.98% | |
| 14.42 | 14.64 | 13.86 | 14.26 | -1.45% | |
| 13.47 | 15.16 | 13.33 | 14.47 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the AMLX chart for longer ranges.