ProMIS Neurosciences Stock Price History
NASDAQ: PMNHealth CareBiotechnology: Pharmaceutical PreparationsUSD
9.61+0.46 (+5.03%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
PMN price history at a glance
The price history for ProMIS Neurosciences (PMN) on this page begins on January 8, 2007, when the stock closed at $1,800.00; it most recently closed at $9.61 on October 5, 2026. The highest price in this record is $2,580.00, reached on April 30, 2007; the latest close is 99.6% below that peak. Across the 19 complete calendar years in the table, PMN finished higher in 6 and lower in 13. Its best year was 2016 (+150.0%) and its worst was 2023 (-73.5%).
Over roughly 20 years the share price changed -99.5%, a -23.3% compound annual price return (excluding dividends). In the last 12 months alone, PMN has lost 24.6%. 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 2007
- $2,580.00
- Date of high
- Apr 30, 2007
- Low since 2007
- $6.27
- Date of low
- Nov 24, 2025
- 52-week high
- $27.40
- 52-week low
- $6.27
- Last close
- $9.61
PMN returns
1 week
+2.23%
1 month
-33.12%
3 months
-32.56%
6 months
-23.73%
Year to date
+40.70%
1 year
-24.63%
3 years
-79.22%
5 years
-95.73%
PMN price return, excluding dividends.
PMN annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 9.61 | +34.59% |
| 2025 | 7.14 | -72.54% |
| 2024 | 26.00 | -9.57% |
| 2023 | 28.75 | -73.50% |
| 2022 | 108.50 | -34.24% |
| 2021 | 165.00 | +37.50% |
| 2020 | 120.00 | -50.00% |
| 2019 | 240.00 | -20.00% |
| 2018 | 300.00 | +17.65% |
| 2017 | 255.00 | +70.00% |
| 2016 | 150.00 | +150.00% |
| 2015 | 60.00 | -71.43% |
| 2014 | 210.00 | -56.25% |
| 2013 | 480.00 | -17.95% |
| 2012 | 585.00 | +44.44% |
| 2011 | 405.00 | -30.77% |
| 2010 | 585.00 | -29.09% |
| 2009 | 825.00 | +19.57% |
| 2008 | 690.00 | -59.29% |
| 2007 | 1,695.00 | -5.83% |
2026 return is year to date.
PMN daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 9.41 | 10.15 | 9.32 | 9.61 | +5.03% | |
| 9.15 | 9.37 | 8.78 | 9.15 | +0.33% | |
| 9.31 | 9.52 | 9.01 | 9.12 | -0.98% | |
| 9.46 | 9.52 | 8.78 | 9.21 | -1.71% | |
| 9.50 | 9.77 | 9.07 | 9.37 | -0.32% | |
| 9.44 | 10.38 | 9.16 | 9.40 | +0.21% | |
| 10.98 | 10.98 | 9.21 | 9.38 | -13.55% | |
| 10.68 | 11.32 | 10.42 | 10.85 | +1.97% | |
| 10.56 | 11.10 | 10.53 | 10.64 | -0.09% | |
| 11.15 | 11.57 | 10.51 | 10.65 | -5.50% | |
| 12.06 | 12.06 | 11.15 | 11.27 | -2.59% | |
| 12.83 | 13.06 | 11.29 | 11.57 | -10.59% | |
| 13.45 | 13.78 | 12.94 | 12.94 | -4.71% | |
| 13.80 | 14.22 | 13.45 | 13.58 | -0.37% | |
| 13.54 | 14.22 | 13.13 | 13.63 | -2.71% | |
| 13.52 | 14.21 | 13.52 | 14.01 | +4.09% | |
| 13.00 | 13.70 | 12.88 | 13.46 | +4.50% | |
| 13.25 | 13.25 | 12.40 | 12.88 | -0.08% | |
| 13.55 | 13.93 | 12.70 | 12.89 | -2.79% | |
| 13.05 | 13.56 | 13.05 | 13.26 | -2.21% | |
| 13.48 | 13.94 | 13.01 | 13.56 | +1.19% | |
| 14.28 | 14.28 | 12.98 | 13.40 | -6.75% | |
| 12.88 | 14.96 | 12.26 | 14.37 | +14.68% | |
| 12.51 | 13.13 | 12.27 | 12.53 | -0.56% | |
| 13.03 | 13.46 | 12.48 | 12.60 | -2.33% | |
| 13.90 | 14.16 | 12.76 | 12.90 | -7.73% | |
| 13.45 | 14.28 | 13.22 | 13.98 | +4.72% | |
| 13.25 | 14.31 | 13.01 | 13.35 | +2.14% | |
| 13.79 | 14.34 | 13.07 | 13.07 | -5.22% | |
| 14.07 | 14.60 | 13.47 | 13.79 | -1.43% | |
| 14.62 | 15.19 | 13.92 | 13.99 | -3.25% | |
| 15.21 | 15.21 | 14.16 | 14.46 | -5.86% | |
| 15.00 | 15.36 | 14.50 | 15.36 | +3.78% | |
| 14.44 | 15.46 | 14.23 | 14.80 | +2.00% | |
| 15.05 | 15.05 | 14.41 | 14.51 | -2.68% | |
| 14.96 | 14.96 | 14.44 | 14.91 | +1.71% | |
| 15.36 | 15.50 | 14.40 | 14.66 | -2.14% | |
| 14.66 | 15.00 | 14.07 | 14.98 | +2.18% | |
| 14.69 | 14.96 | 14.27 | 14.66 | -1.35% | |
| 15.28 | 15.28 | 14.45 | 14.86 | +0.47% | |
| 14.62 | 15.00 | 14.32 | 14.79 | +2.00% | |
| 15.00 | 15.00 | 14.10 | 14.50 | -3.14% | |
| 14.60 | 15.00 | 13.96 | 14.97 | +1.70% | |
| 14.96 | 16.01 | 14.00 | 14.72 | +0.07% | |
| 13.53 | 14.71 | 13.33 | 14.71 | +10.35% | |
| 13.34 | 13.79 | 13.27 | 13.33 | -1.11% | |
| 13.53 | 13.75 | 12.98 | 13.48 | -0.66% | |
| 14.32 | 14.59 | 13.27 | 13.57 | -4.03% | |
| 13.67 | 14.79 | 13.67 | 14.14 | +3.06% | |
| 14.68 | 14.93 | 13.47 | 13.72 | -8.04% | |
| 13.96 | 15.46 | 13.50 | 14.92 | +6.12% | |
| 14.60 | 14.60 | 13.25 | 14.06 | -3.17% | |
| 14.06 | 17.25 | 12.15 | 14.52 | +23.89% | |
| 12.59 | 12.59 | 11.25 | 11.72 | -3.93% | |
| 13.88 | 13.88 | 11.90 | 12.20 | -3.25% | |
| 13.67 | 14.00 | 12.41 | 12.61 | -9.86% | |
| 14.44 | 14.44 | 13.72 | 13.99 | -3.45% | |
| 14.95 | 15.52 | 13.93 | 14.49 | -3.91% | |
| 14.93 | 16.69 | 14.69 | 15.08 | -0.72% | |
| 12.99 | 15.85 | 12.91 | 15.19 | +14.21% | |
| 13.50 | 14.13 | 13.19 | 13.30 | -5.07% | |
| 13.90 | 14.18 | 13.30 | 14.01 | +2.56% | |
| 13.15 | 14.03 | 13.15 | 13.66 | +6.72% | |
| 14.11 | 14.76 | 12.80 | 12.80 | -10.18% | |
| 14.50 | 14.75 | 13.90 | 14.25 | -0.14% | |
| 13.82 | 15.00 | 13.50 | 14.27 | +3.56% | |
| 13.82 | 13.96 | 13.41 | 13.78 | +1.70% | |
| 13.84 | 14.30 | 13.55 | 13.55 | -1.17% | |
| 13.47 | 14.15 | 13.46 | 13.71 | +2.70% | |
| 13.88 | 13.88 | 13.05 | 13.35 | -0.74% | |
| 12.81 | 14.30 | 12.40 | 13.45 | +2.20% | |
| 11.12 | 14.01 | 11.00 | 13.16 | +22.42% | |
| 10.66 | 11.00 | 10.53 | 10.75 | +2.09% | |
| 10.41 | 10.66 | 10.38 | 10.53 | +2.73% | |
| 10.60 | 10.67 | 10.24 | 10.25 | +0.10% | |
| 10.51 | 10.58 | 10.15 | 10.24 | -4.21% | |
| 10.54 | 11.08 | 10.54 | 10.69 | +0.09% | |
| 10.85 | 11.00 | 10.60 | 10.68 | +1.33% | |
| 10.32 | 10.75 | 10.32 | 10.54 | +1.54% | |
| 10.87 | 10.87 | 10.37 | 10.38 | +2.17% | |
| 10.33 | 10.73 | 10.06 | 10.16 | +1.09% | |
| 10.51 | 10.54 | 10.00 | 10.05 | -2.90% | |
| 10.61 | 10.75 | 10.32 | 10.35 | -3.27% | |
| 10.00 | 10.75 | 10.00 | 10.70 | +4.90% | |
| 9.09 | 10.30 | 9.09 | 10.20 | +4.62% | |
| 9.77 | 10.05 | 9.48 | 9.75 | +0.41% | |
| 9.95 | 10.42 | 9.46 | 9.71 | +6.35% | |
| 9.77 | 10.30 | 9.09 | 9.13 | -6.17% | |
| 9.93 | 10.01 | 9.67 | 9.73 | +0.83% | |
| 10.19 | 10.80 | 9.61 | 9.65 | -4.93% | |
| 10.40 | 10.64 | 9.91 | 10.15 | -2.50% | |
| 11.14 | 11.14 | 10.40 | 10.41 | -3.70% | |
| 10.87 | 11.37 | 10.36 | 10.81 | -0.55% | |
| 10.52 | 10.96 | 10.50 | 10.87 | +3.72% | |
| 10.35 | 10.54 | 10.10 | 10.48 | +1.16% | |
| 10.98 | 10.98 | 10.36 | 10.36 | -5.65% | |
| 10.75 | 11.00 | 10.66 | 10.98 | +1.20% | |
| 10.91 | 10.92 | 10.50 | 10.85 | +2.36% | |
| 10.80 | 10.80 | 10.50 | 10.60 | -0.47% | |
| 10.58 | 10.80 | 10.50 | 10.65 | +2.01% | |
| 10.38 | 10.56 | 10.13 | 10.44 | +0.48% | |
| 10.56 | 10.70 | 10.39 | 10.39 | -1.80% | |
| 10.70 | 10.80 | 10.53 | 10.58 | +0.09% | |
| 10.36 | 10.80 | 10.36 | 10.57 | +0.76% | |
| 10.60 | 10.94 | 10.36 | 10.49 | -1.78% | |
| 9.85 | 11.14 | 9.83 | 10.68 | +8.65% | |
| 9.95 | 10.19 | 9.31 | 9.83 | 0.00% | |
| 11.00 | 11.00 | 9.63 | 9.83 | -10.64% | |
| 11.02 | 11.49 | 10.88 | 11.00 | -0.54% | |
| 11.15 | 11.23 | 11.00 | 11.06 | -0.09% | |
| 11.05 | 11.42 | 11.01 | 11.07 | +0.54% | |
| 11.03 | 11.50 | 11.00 | 11.01 | -0.27% | |
| 11.02 | 11.49 | 10.96 | 11.04 | -0.99% | |
| 10.95 | 11.46 | 10.85 | 11.15 | +2.76% | |
| 11.35 | 11.50 | 10.79 | 10.85 | -2.25% | |
| 11.24 | 11.60 | 11.01 | 11.10 | -1.25% | |
| 11.37 | 11.50 | 11.00 | 11.24 | +3.31% | |
| 11.34 | 11.69 | 10.88 | 10.88 | -2.07% | |
| 10.79 | 11.90 | 10.79 | 11.11 | +3.54% | |
| 11.36 | 11.49 | 10.53 | 10.73 | -6.29% | |
| 11.92 | 12.00 | 11.10 | 11.45 | -0.69% | |
| 11.99 | 12.30 | 11.25 | 11.53 | -2.62% | |
| 12.01 | 12.63 | 11.22 | 11.84 | -3.74% | |
| 12.47 | 12.70 | 12.05 | 12.30 | +2.07% | |
| 12.92 | 13.40 | 11.90 | 12.05 | -6.73% | |
| 12.65 | 13.80 | 12.65 | 12.92 | +2.54% | |
| 11.88 | 13.23 | 11.88 | 12.60 | +0.80% | |
| 10.63 | 12.77 | 10.63 | 12.50 | +16.82% | |
| 11.81 | 11.84 | 10.60 | 10.70 | -1.65% | |
| 10.76 | 11.29 | 10.60 | 10.88 | -0.73% | |
| 12.70 | 13.13 | 10.57 | 10.96 | -12.39% | |
| 12.95 | 13.50 | 12.51 | 12.51 | -3.77% | |
| 12.85 | 13.90 | 12.85 | 13.00 | +2.36% | |
| 12.78 | 13.99 | 12.67 | 12.70 | -1.40% | |
| 14.70 | 14.70 | 12.72 | 12.88 | -12.62% | |
| 14.79 | 15.34 | 14.26 | 14.74 | -2.58% | |
| 15.80 | 16.00 | 14.13 | 15.13 | -4.54% | |
| 17.44 | 18.00 | 15.85 | 15.85 | -9.06% | |
| 17.31 | 18.72 | 17.31 | 17.43 | -1.91% | |
| 17.81 | 18.16 | 17.60 | 17.77 | +0.97% | |
| 19.00 | 19.00 | 17.00 | 17.60 | -3.35% | |
| 16.56 | 18.44 | 16.04 | 18.21 | +7.12% | |
| 19.83 | 19.83 | 17.00 | 17.00 | -13.04% | |
| 19.46 | 20.10 | 17.15 | 19.55 | -3.03% | |
| 17.74 | 20.16 | 16.48 | 20.16 | +11.07% | |
| 20.50 | 21.02 | 16.80 | 18.15 | -9.02% | |
| 20.06 | 21.20 | 19.30 | 19.95 | -0.70% | |
| 21.86 | 22.40 | 20.00 | 20.09 | -7.38% | |
| 23.90 | 23.98 | 21.05 | 21.69 | -8.75% | |
| 22.79 | 24.88 | 22.55 | 23.77 | +1.58% | |
| 24.96 | 25.95 | 22.04 | 23.40 | -5.61% | |
| 25.03 | 27.40 | 24.00 | 24.79 | +3.08% | |
| 24.92 | 25.95 | 23.01 | 24.05 | -2.24% | |
| 22.20 | 25.00 | 21.63 | 24.60 | +7.94% | |
| 21.89 | 23.98 | 20.91 | 22.79 | -3.06% | |
| 20.27 | 24.63 | 20.27 | 23.51 | +12.70% | |
| 19.01 | 21.83 | 18.62 | 20.86 | +5.04% | |
| 17.96 | 20.22 | 17.00 | 19.86 | +10.58% | |
| 16.00 | 17.96 | 15.91 | 17.96 | +13.74% | |
| 16.00 | 16.00 | 15.29 | 15.79 | -1.86% | |
| 16.37 | 16.50 | 15.25 | 16.09 | -0.43% | |
| 16.35 | 16.59 | 15.00 | 16.16 | -0.80% | |
| 15.57 | 16.99 | 15.52 | 16.29 | +0.74% | |
| 15.20 | 16.50 | 15.20 | 16.17 | +6.03% | |
| 15.29 | 15.35 | 14.99 | 15.25 | +1.94% | |
| 14.44 | 15.05 | 14.33 | 14.96 | +2.40% | |
| 14.28 | 15.05 | 14.09 | 14.61 | +2.24% | |
| 13.24 | 14.41 | 13.01 | 14.29 | +9.50% | |
| 13.23 | 13.97 | 12.70 | 13.05 | +2.51% | |
| 14.00 | 14.00 | 12.70 | 12.73 | -2.82% | |
| 15.45 | 15.95 | 13.10 | 13.10 | -16.29% | |
| 15.54 | 16.25 | 15.45 | 15.65 | -1.57% | |
| 14.15 | 17.40 | 14.01 | 15.90 | +13.17% | |
| 13.60 | 14.99 | 13.20 | 14.05 | -0.78% | |
| 18.70 | 19.85 | 12.76 | 14.16 | +17.90% | |
| 12.05 | 12.39 | 11.80 | 12.01 | -0.58% | |
| 10.87 | 12.34 | 10.71 | 12.08 | +13.32% | |
| 9.40 | 11.47 | 9.40 | 10.66 | +18.84% | |
| 9.57 | 10.00 | 8.96 | 8.97 | -4.88% | |
| 9.27 | 10.18 | 9.15 | 9.43 | +1.95% | |
| 8.36 | 9.36 | 8.36 | 9.25 | +12.12% | |
| 8.24 | 8.47 | 8.10 | 8.25 | +1.10% | |
| 8.15 | 8.36 | 8.08 | 8.16 | -0.24% | |
| 8.15 | 8.43 | 8.12 | 8.18 | +0.37% | |
| 7.98 | 8.51 | 7.98 | 8.15 | +0.12% | |
| 8.15 | 8.29 | 8.14 | 8.14 | -0.25% | |
| 8.27 | 8.36 | 8.15 | 8.16 | -0.61% | |
| 8.19 | 8.75 | 8.19 | 8.21 | +0.98% | |
| 8.49 | 8.52 | 8.13 | 8.13 | -4.13% | |
| 8.24 | 8.53 | 8.24 | 8.48 | +2.66% | |
| 7.76 | 8.59 | 7.75 | 8.26 | +7.41% | |
| 7.43 | 8.04 | 7.43 | 7.69 | +3.92% | |
| 7.01 | 7.70 | 7.01 | 7.40 | +3.64% | |
| 6.72 | 7.22 | 6.72 | 7.14 | +4.54% | |
| 7.01 | 7.08 | 6.62 | 6.83 | -2.29% | |
| 7.38 | 7.54 | 6.82 | 6.99 | -5.16% | |
| 7.60 | 7.60 | 7.14 | 7.37 | -3.79% | |
| 8.20 | 8.20 | 7.65 | 7.66 | -7.38% | |
| 8.13 | 8.73 | 8.09 | 8.27 | +1.72% | |
| 8.15 | 8.26 | 8.00 | 8.13 | 0.00% | |
| 8.65 | 8.84 | 8.05 | 8.13 | -4.91% | |
| 8.68 | 9.02 | 8.53 | 8.55 | +1.54% | |
| 9.13 | 9.15 | 8.31 | 8.42 | -5.61% | |
| 9.02 | 9.13 | 8.89 | 8.92 | -4.50% | |
| 9.14 | 9.42 | 9.02 | 9.34 | +1.08% | |
| 8.92 | 9.24 | 8.62 | 9.24 | +2.78% | |
| 8.84 | 9.01 | 8.60 | 8.99 | +2.63% | |
| 9.01 | 9.05 | 8.59 | 8.76 | -3.74% | |
| 8.12 | 9.26 | 8.12 | 9.10 | +11.93% | |
| 7.71 | 8.29 | 7.71 | 8.13 | +6.69% | |
| 8.00 | 8.16 | 7.62 | 7.62 | -3.67% | |
| 7.66 | 8.13 | 7.35 | 7.91 | +3.67% | |
| 7.44 | 7.75 | 7.44 | 7.63 | +3.67% | |
| 7.45 | 7.65 | 7.12 | 7.36 | -1.08% | |
| 7.10 | 7.95 | 7.00 | 7.44 | +6.29% | |
| 6.51 | 7.40 | 6.51 | 7.00 | +3.55% | |
| 7.05 | 7.92 | 6.27 | 6.76 | -6.76% | |
| 7.50 | 7.75 | 7.25 | 7.25 | -9.38% | |
| 8.25 | 8.50 | 7.75 | 8.00 | -3.03% | |
| 7.50 | 8.75 | 7.50 | 8.25 | -21.43% | |
| 9.75 | 11.25 | 9.75 | 10.50 | +10.53% | |
| 10.75 | 11.00 | 9.50 | 9.50 | -9.52% | |
| 9.25 | 11.25 | 9.25 | 10.50 | +16.67% | |
| 8.75 | 9.25 | 8.75 | 9.00 | 0.00% | |
| 10.00 | 10.00 | 8.75 | 9.00 | -7.69% | |
| 9.75 | 10.00 | 9.50 | 9.75 | 0.00% | |
| 10.50 | 10.50 | 9.50 | 9.75 | -4.88% | |
| 10.25 | 11.25 | 10.00 | 10.25 | +2.50% | |
| 10.00 | 10.25 | 9.50 | 10.00 | +2.56% | |
| 9.50 | 9.75 | 9.50 | 9.75 | +2.63% | |
| 10.25 | 10.25 | 9.00 | 9.50 | -2.56% | |
| 10.25 | 10.50 | 9.50 | 9.75 | -4.88% | |
| 10.00 | 10.50 | 10.00 | 10.25 | 0.00% | |
| 10.25 | 10.50 | 10.00 | 10.25 | 0.00% | |
| 10.50 | 10.50 | 9.75 | 10.25 | -2.38% | |
| 10.50 | 10.75 | 10.25 | 10.50 | 0.00% | |
| 10.25 | 10.75 | 10.25 | 10.50 | 0.00% | |
| 11.00 | 11.00 | 10.25 | 10.50 | -4.55% | |
| 12.00 | 12.00 | 10.75 | 11.00 | -4.35% | |
| 11.00 | 11.75 | 10.75 | 11.50 | +6.98% | |
| 10.50 | 11.25 | 10.50 | 10.75 | 0.00% | |
| 11.00 | 11.00 | 10.25 | 10.75 | +2.38% | |
| 11.00 | 11.50 | 10.25 | 10.50 | -4.55% | |
| 11.25 | 11.50 | 10.75 | 11.00 | -2.22% | |
| 11.00 | 12.00 | 11.00 | 11.25 | +2.27% | |
| 11.25 | 11.75 | 10.50 | 11.00 | -6.38% | |
| 12.00 | 12.75 | 11.25 | 11.75 | -2.08% | |
| 12.00 | 12.50 | 11.50 | 12.00 | +4.35% | |
| 12.00 | 12.00 | 11.25 | 11.50 | -4.17% | |
| 12.50 | 12.50 | 11.25 | 12.00 | -2.04% | |
| 13.00 | 13.25 | 12.00 | 12.25 | -3.92% | |
| 13.75 | 14.25 | 12.75 | 12.75 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the PMN chart for longer ranges.