Cerenome Stock Price History
NASDAQ: CNSYHealth CareMedical/Dental InstrumentsUSD
1.93+0.14 (+7.82%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
CNSY price history at a glance
The price history for Cerenome (CNSY) on this page begins on July 9, 2001, when the stock closed at $16,875,000.00; it most recently closed at $1.93 on October 5, 2026. The highest price in this record is $28,153,124.00, reached on December 19, 2005; the latest close is 100.0% below that peak. Across the 24 complete calendar years in the table, CNSY finished higher in 4 and lower in 20. Its best year was 2005 (+201.8%) and its worst was 2018 (-89.3%).
Over roughly 25 years the share price changed -100.0%, a -46.9% compound annual price return (excluding dividends). In the last 12 months alone, CNSY has lost 89.0%. 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 2001
- $28,153,124.00
- Date of high
- Dec 19, 2005
- Low since 2001
- $1.49
- Date of low
- Oct 5, 2026
- 52-week high
- $19.00
- 52-week low
- $1.49
- Last close
- $1.93
CNSY returns
1 week
+20.62%
1 month
-22.49%
3 months
-51.75%
6 months
-59.79%
Year to date
-84.86%
1 year
-88.97%
3 years
-94.41%
5 years
-99.71%
CNSY price return, excluding dividends.
CNSY annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 1.93 | -86.21% |
| 2025 | 14.00 | -54.47% |
| 2024 | 30.75 | -29.71% |
| 2023 | 43.75 | -63.54% |
| 2022 | 120.00 | -69.52% |
| 2021 | 393.75 | -48.02% |
| 2020 | 757.50 | -19.20% |
| 2019 | 937.50 | -84.38% |
| 2018 | 6,000.00 | -89.33% |
| 2017 | 56,250.00 | -80.13% |
| 2016 | 283,125.00 | -47.02% |
| 2015 | 534,375.00 | -63.46% |
| 2014 | 1,462,500.00 | -80.30% |
| 2013 | 7,425,000.00 | -6.05% |
| 2012 | 7,903,125.00 | +27.73% |
| 2011 | 6,187,500.00 | -57.61% |
| 2010 | 14,596,875.00 | -14.92% |
| 2009 | 17,156,250.00 | +69.44% |
| 2008 | 10,125,000.00 | -42.49% |
| 2007 | 17,606,250.00 | -4.28% |
| 2006 | 18,393,750.00 | -21.20% |
| 2005 | 23,343,750.00 | +201.82% |
| 2004 | 7,734,375.00 | -9.84% |
| 2003 | 8,578,125.00 | -23.75% |
| 2002 | 11,250,000.00 | +20.85% |
| 2001* | 9,309,375.00 | -44.83% |
* Partial year: the record begins after the start of 2001; return measured from the first available close.
2026 return is year to date.
CNSY daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 1.80 | 1.96 | 1.80 | 1.93 | +7.82% | |
| 1.64 | 1.80 | 1.60 | 1.79 | +9.48% | |
| 1.62 | 1.71 | 1.56 | 1.64 | +2.83% | |
| 1.56 | 1.66 | 1.54 | 1.59 | +1.92% | |
| 1.52 | 1.59 | 1.49 | 1.56 | -2.50% | |
| 1.81 | 1.86 | 1.54 | 1.60 | -10.11% | |
| 1.94 | 2.28 | 1.64 | 1.78 | -4.81% | |
| 2.02 | 2.02 | 1.84 | 1.87 | +0.54% | |
| 2.03 | 2.12 | 1.86 | 1.86 | -7.92% | |
| 1.99 | 2.06 | 1.90 | 2.02 | +1.51% | |
| 1.92 | 2.08 | 1.92 | 1.99 | +6.42% | |
| 1.96 | 1.96 | 1.86 | 1.87 | -4.10% | |
| 2.01 | 2.06 | 1.93 | 1.95 | -3.94% | |
| 1.93 | 2.10 | 1.91 | 2.03 | +6.84% | |
| 2.03 | 2.06 | 1.90 | 1.90 | -6.40% | |
| 2.01 | 2.10 | 2.00 | 2.03 | 0.00% | |
| 2.08 | 2.10 | 2.00 | 2.03 | -0.49% | |
| 2.11 | 2.15 | 2.00 | 2.04 | -3.77% | |
| 2.19 | 2.23 | 2.09 | 2.12 | -2.30% | |
| 2.30 | 2.32 | 2.17 | 2.17 | -6.87% | |
| 2.40 | 2.49 | 2.31 | 2.33 | -2.51% | |
| 2.47 | 2.64 | 2.36 | 2.39 | -4.02% | |
| 2.66 | 2.76 | 2.49 | 2.49 | -7.78% | |
| 2.74 | 2.76 | 2.60 | 2.70 | -2.17% | |
| 2.89 | 3.00 | 2.74 | 2.76 | -7.38% | |
| 2.96 | 3.05 | 2.86 | 2.98 | +1.36% | |
| 2.74 | 2.94 | 2.74 | 2.94 | +8.49% | |
| 2.79 | 2.80 | 2.62 | 2.71 | -3.90% | |
| 3.01 | 3.09 | 2.80 | 2.82 | -7.54% | |
| 3.13 | 3.19 | 3.00 | 3.05 | -1.61% | |
| 2.99 | 3.25 | 2.99 | 3.10 | +2.65% | |
| 3.03 | 3.06 | 3.00 | 3.02 | -2.27% | |
| 2.94 | 3.12 | 2.94 | 3.09 | +4.39% | |
| 3.08 | 3.11 | 2.92 | 2.96 | -3.58% | |
| 3.04 | 3.12 | 2.97 | 3.07 | +2.33% | |
| 3.18 | 3.20 | 3.00 | 3.00 | -5.96% | |
| 3.06 | 3.19 | 3.01 | 3.19 | +3.57% | |
| 3.20 | 3.20 | 3.07 | 3.08 | -3.75% | |
| 3.43 | 3.50 | 3.00 | 3.20 | -13.04% | |
| 3.55 | 3.82 | 3.52 | 3.68 | -0.54% | |
| 3.75 | 3.92 | 3.64 | 3.70 | 0.00% | |
| 3.80 | 3.96 | 3.70 | 3.70 | -3.39% | |
| 3.79 | 3.85 | 3.65 | 3.83 | -0.26% | |
| 3.80 | 4.03 | 3.80 | 3.84 | +0.26% | |
| 3.78 | 3.96 | 3.77 | 3.83 | -0.78% | |
| 3.84 | 3.99 | 3.75 | 3.86 | -1.28% | |
| 4.09 | 4.10 | 3.79 | 3.91 | -1.26% | |
| 3.52 | 4.16 | 3.52 | 3.96 | +12.50% | |
| 3.80 | 3.87 | 3.33 | 3.52 | -9.04% | |
| 3.65 | 3.95 | 3.62 | 3.87 | +6.03% | |
| 3.69 | 3.69 | 3.55 | 3.65 | +0.55% | |
| 3.77 | 3.77 | 3.55 | 3.63 | -3.46% | |
| 3.78 | 3.79 | 3.60 | 3.76 | +0.80% | |
| 3.83 | 3.91 | 3.70 | 3.73 | -2.61% | |
| 3.81 | 4.00 | 3.81 | 3.83 | +1.32% | |
| 3.77 | 3.89 | 3.72 | 3.78 | -1.05% | |
| 3.90 | 3.93 | 3.77 | 3.82 | -2.55% | |
| 3.91 | 4.08 | 3.88 | 3.92 | +2.35% | |
| 3.69 | 3.83 | 3.69 | 3.83 | +2.41% | |
| 3.86 | 3.96 | 3.58 | 3.74 | -4.10% | |
| 4.05 | 4.09 | 3.81 | 3.90 | -4.41% | |
| 4.28 | 4.31 | 3.87 | 4.08 | -4.67% | |
| 4.25 | 4.42 | 4.14 | 4.28 | +2.64% | |
| 4.04 | 4.36 | 4.00 | 4.17 | +4.25% | |
| 4.00 | 4.13 | 3.88 | 4.00 | 0.00% | |
| 3.81 | 4.01 | 3.78 | 4.00 | +4.71% | |
| 3.86 | 3.96 | 3.70 | 3.82 | -2.55% | |
| 4.03 | 4.07 | 3.90 | 3.92 | -3.21% | |
| 3.96 | 4.10 | 3.83 | 4.05 | +1.76% | |
| 4.15 | 4.21 | 3.84 | 3.98 | -4.33% | |
| 4.39 | 4.51 | 4.15 | 4.16 | -4.81% | |
| 4.31 | 4.43 | 4.20 | 4.37 | +1.86% | |
| 4.21 | 4.38 | 4.07 | 4.29 | +2.14% | |
| 4.25 | 4.45 | 4.13 | 4.20 | -1.41% | |
| 4.01 | 4.40 | 3.88 | 4.26 | +7.58% | |
| 4.07 | 4.18 | 3.90 | 3.96 | -2.94% | |
| 3.91 | 4.26 | 3.91 | 4.08 | +2.51% | |
| 4.13 | 4.18 | 3.95 | 3.98 | -5.24% | |
| 4.34 | 4.38 | 4.10 | 4.20 | -2.55% | |
| 4.56 | 4.57 | 4.28 | 4.31 | -5.69% | |
| 4.85 | 5.03 | 4.57 | 4.57 | -5.77% | |
| 5.13 | 5.21 | 4.79 | 4.85 | -3.19% | |
| 5.33 | 5.46 | 5.00 | 5.01 | -7.56% | |
| 5.30 | 5.50 | 5.23 | 5.42 | +0.56% | |
| 5.45 | 5.75 | 5.30 | 5.39 | -2.00% | |
| 5.41 | 5.78 | 5.11 | 5.50 | -0.54% | |
| 5.29 | 5.86 | 5.26 | 5.53 | +2.22% | |
| 5.60 | 5.62 | 5.17 | 5.41 | -5.91% | |
| 5.41 | 6.03 | 5.31 | 5.75 | +6.09% | |
| 5.44 | 5.47 | 5.21 | 5.42 | -0.91% | |
| 5.62 | 5.77 | 5.36 | 5.47 | -4.04% | |
| 5.82 | 5.99 | 5.70 | 5.70 | -2.06% | |
| 6.38 | 6.40 | 5.80 | 5.82 | -9.49% | |
| 6.50 | 6.56 | 6.15 | 6.43 | -3.16% | |
| 6.63 | 6.98 | 6.40 | 6.64 | +0.61% | |
| 6.80 | 7.14 | 6.56 | 6.60 | +0.15% | |
| 6.88 | 7.15 | 6.59 | 6.59 | -4.35% | |
| 6.50 | 7.30 | 6.50 | 6.89 | +7.15% | |
| 5.86 | 6.63 | 5.83 | 6.43 | +10.29% | |
| 5.97 | 6.15 | 5.60 | 5.83 | -0.17% | |
| 5.22 | 6.03 | 5.15 | 5.84 | +11.24% | |
| 5.57 | 5.67 | 5.05 | 5.25 | -8.85% | |
| 5.70 | 5.93 | 5.30 | 5.76 | +1.05% | |
| 5.82 | 5.90 | 5.66 | 5.70 | -2.56% | |
| 6.01 | 6.01 | 5.74 | 5.85 | -3.15% | |
| 6.07 | 6.24 | 5.90 | 6.04 | -1.31% | |
| 6.04 | 6.30 | 5.82 | 6.12 | +2.86% | |
| 6.28 | 6.47 | 5.82 | 5.95 | -0.83% | |
| 6.05 | 6.17 | 5.83 | 6.00 | -3.54% | |
| 6.44 | 6.58 | 6.20 | 6.22 | -1.27% | |
| 6.00 | 6.65 | 6.00 | 6.30 | +3.45% | |
| 6.10 | 6.15 | 5.83 | 6.09 | -0.81% | |
| 5.57 | 6.20 | 5.50 | 6.14 | +9.64% | |
| 6.10 | 6.19 | 5.50 | 5.60 | -5.88% | |
| 5.87 | 6.14 | 5.67 | 5.95 | -0.67% | |
| 6.41 | 6.52 | 5.93 | 5.99 | -9.24% | |
| 7.28 | 7.30 | 6.40 | 6.60 | -9.34% | |
| 7.60 | 7.62 | 6.84 | 7.28 | -4.46% | |
| 7.01 | 8.00 | 7.01 | 7.62 | +6.72% | |
| 7.50 | 7.60 | 6.90 | 7.14 | -2.19% | |
| 6.55 | 7.41 | 6.36 | 7.30 | +14.24% | |
| 6.01 | 6.44 | 5.76 | 6.39 | +7.39% | |
| 5.52 | 5.98 | 5.48 | 5.95 | +5.31% | |
| 5.54 | 6.05 | 5.24 | 5.65 | +4.05% | |
| 6.02 | 6.03 | 5.20 | 5.43 | +0.37% | |
| 4.85 | 5.72 | 4.61 | 5.41 | +12.71% | |
| 4.14 | 5.35 | 4.10 | 4.80 | +22.45% | |
| 3.13 | 4.10 | 3.13 | 3.92 | +23.66% | |
| 3.17 | 3.32 | 3.01 | 3.17 | +8.56% | |
| 3.24 | 3.50 | 2.90 | 2.92 | -12.31% | |
| 3.50 | 3.84 | 3.25 | 3.33 | -6.46% | |
| 3.75 | 3.81 | 3.30 | 3.56 | -11.00% | |
| 3.75 | 4.00 | 3.25 | 4.00 | 0.00% | |
| 4.25 | 4.50 | 4.00 | 4.00 | -23.81% | |
| 5.75 | 5.75 | 5.25 | 5.25 | -8.70% | |
| 6.00 | 6.00 | 5.75 | 5.75 | -4.17% | |
| 6.00 | 6.25 | 6.00 | 6.00 | -4.00% | |
| 6.00 | 6.25 | 6.00 | 6.25 | +4.17% | |
| 6.00 | 6.25 | 5.75 | 6.00 | 0.00% | |
| 6.00 | 6.25 | 6.00 | 6.00 | -4.00% | |
| 6.00 | 6.25 | 6.00 | 6.25 | +4.17% | |
| 6.00 | 6.25 | 5.75 | 6.00 | 0.00% | |
| 6.25 | 6.50 | 6.00 | 6.00 | -4.00% | |
| 6.50 | 6.50 | 6.25 | 6.25 | -3.85% | |
| 6.75 | 6.75 | 6.50 | 6.50 | +4.00% | |
| 7.00 | 7.00 | 6.00 | 6.25 | -13.79% | |
| 7.75 | 8.25 | 7.25 | 7.25 | -6.45% | |
| 7.50 | 7.75 | 7.50 | 7.75 | +3.33% | |
| 7.25 | 7.75 | 7.25 | 7.50 | 0.00% | |
| 7.00 | 7.50 | 7.00 | 7.50 | +3.45% | |
| 7.50 | 7.50 | 7.00 | 7.25 | -3.33% | |
| 7.75 | 7.75 | 7.25 | 7.50 | -3.23% | |
| 7.25 | 7.75 | 7.25 | 7.75 | +6.90% | |
| 7.25 | 7.50 | 6.75 | 7.25 | -3.33% | |
| 7.25 | 7.75 | 7.00 | 7.50 | 0.00% | |
| 8.00 | 8.00 | 7.25 | 7.50 | -6.25% | |
| 7.75 | 8.25 | 7.50 | 8.00 | +6.67% | |
| 7.00 | 8.75 | 6.75 | 7.50 | +7.14% | |
| 6.75 | 7.25 | 6.50 | 7.00 | +3.70% | |
| 7.00 | 7.00 | 6.75 | 6.75 | -3.57% | |
| 7.50 | 7.50 | 7.00 | 7.00 | -3.45% | |
| 7.25 | 7.50 | 6.75 | 7.25 | +3.57% | |
| 7.00 | 7.25 | 6.75 | 7.00 | 0.00% | |
| 7.00 | 7.25 | 6.75 | 7.00 | 0.00% | |
| 6.75 | 7.25 | 6.50 | 7.00 | +7.69% | |
| 6.75 | 7.00 | 6.50 | 6.50 | -3.70% | |
| 6.75 | 6.75 | 6.25 | 6.75 | +3.85% | |
| 6.50 | 7.00 | 6.50 | 6.50 | +4.00% | |
| 6.25 | 6.50 | 6.00 | 6.25 | -3.85% | |
| 5.75 | 6.50 | 5.50 | 6.50 | +13.04% | |
| 6.00 | 6.00 | 5.50 | 5.75 | -4.17% | |
| 6.00 | 6.00 | 5.75 | 6.00 | 0.00% | |
| 6.00 | 6.00 | 5.50 | 6.00 | 0.00% | |
| 6.00 | 6.50 | 5.25 | 6.00 | +4.35% | |
| 6.00 | 6.00 | 5.75 | 5.75 | -8.00% | |
| 6.25 | 6.25 | 5.50 | 6.25 | 0.00% | |
| 6.00 | 6.25 | 5.75 | 6.25 | +4.17% | |
| 6.25 | 6.25 | 5.50 | 6.00 | -7.69% | |
| 6.75 | 6.75 | 6.00 | 6.50 | -3.70% | |
| 7.00 | 7.25 | 6.75 | 6.75 | -6.90% | |
| 7.75 | 8.00 | 6.50 | 7.25 | 0.00% | |
| 7.25 | 7.50 | 7.00 | 7.25 | 0.00% | |
| 7.25 | 7.75 | 7.00 | 7.25 | 0.00% | |
| 7.00 | 7.50 | 6.50 | 7.25 | +3.57% | |
| 7.50 | 7.50 | 6.75 | 7.00 | -3.45% | |
| 7.50 | 7.50 | 6.25 | 7.25 | -38.30% | |
| 12.50 | 12.50 | 11.75 | 11.75 | -4.08% | |
| 12.50 | 12.75 | 11.75 | 12.25 | -12.50% | |
| 14.75 | 15.00 | 14.00 | 14.00 | -5.08% | |
| 15.00 | 15.25 | 14.50 | 14.75 | -3.28% | |
| 14.25 | 15.25 | 14.00 | 15.25 | +8.93% | |
| 14.25 | 14.50 | 13.50 | 14.00 | 0.00% | |
| 14.25 | 14.50 | 13.50 | 14.00 | 0.00% | |
| 13.00 | 14.00 | 13.00 | 14.00 | +9.80% | |
| 13.50 | 14.00 | 12.50 | 12.75 | -5.56% | |
| 13.50 | 13.75 | 13.50 | 13.50 | -1.82% | |
| 14.25 | 14.25 | 13.50 | 13.75 | -5.17% | |
| 14.25 | 14.50 | 14.00 | 14.50 | +1.75% | |
| 14.25 | 14.50 | 13.75 | 14.25 | +3.64% | |
| 14.75 | 14.75 | 13.50 | 13.75 | -6.78% | |
| 14.25 | 15.00 | 14.25 | 14.75 | +3.51% | |
| 14.00 | 14.50 | 13.25 | 14.25 | +3.64% | |
| 14.75 | 15.00 | 13.50 | 13.75 | -5.17% | |
| 15.50 | 16.25 | 14.25 | 14.50 | -9.38% | |
| 15.50 | 16.00 | 15.00 | 16.00 | +3.23% | |
| 17.25 | 17.50 | 15.25 | 15.50 | -8.82% | |
| 18.25 | 19.00 | 16.50 | 17.00 | -5.56% | |
| 16.75 | 18.00 | 16.50 | 18.00 | +7.46% | |
| 16.75 | 17.00 | 16.25 | 16.75 | 0.00% | |
| 15.75 | 17.50 | 15.75 | 16.75 | +6.35% | |
| 16.50 | 16.50 | 15.25 | 15.75 | -3.08% | |
| 16.25 | 17.50 | 15.75 | 16.25 | -1.52% | |
| 15.00 | 16.50 | 15.00 | 16.50 | +10.00% | |
| 14.75 | 15.00 | 14.25 | 15.00 | +1.69% | |
| 14.50 | 14.75 | 14.25 | 14.75 | +1.72% | |
| 15.25 | 15.25 | 13.75 | 14.50 | -4.92% | |
| 15.00 | 15.75 | 15.00 | 15.25 | +1.67% | |
| 14.25 | 15.75 | 14.25 | 15.00 | +7.14% | |
| 14.25 | 14.50 | 13.75 | 14.00 | -3.45% | |
| 13.75 | 14.75 | 13.25 | 14.50 | +9.43% | |
| 12.25 | 13.25 | 12.00 | 13.25 | +8.16% | |
| 13.75 | 14.00 | 12.00 | 12.25 | 0.00% | |
| 12.75 | 12.75 | 12.00 | 12.25 | -3.92% | |
| 12.00 | 13.00 | 12.00 | 12.75 | +6.25% | |
| 14.00 | 14.00 | 11.50 | 12.00 | -5.88% | |
| 12.75 | 13.25 | 12.50 | 12.75 | -1.92% | |
| 13.25 | 13.75 | 12.50 | 13.00 | -7.14% | |
| 14.25 | 14.25 | 13.50 | 14.00 | -1.75% | |
| 14.00 | 14.50 | 13.50 | 14.25 | +1.79% | |
| 13.75 | 14.25 | 13.50 | 14.00 | +3.70% | |
| 13.00 | 13.50 | 12.25 | 13.50 | +5.88% | |
| 14.50 | 14.50 | 12.75 | 12.75 | -5.56% | |
| 12.75 | 13.50 | 12.50 | 13.50 | +5.88% | |
| 12.75 | 13.00 | 12.25 | 12.75 | -1.92% | |
| 13.75 | 13.75 | 12.50 | 13.00 | -3.70% | |
| 13.00 | 13.75 | 12.25 | 13.50 | +1.89% | |
| 13.75 | 14.25 | 13.00 | 13.25 | -1.85% | |
| 14.75 | 14.75 | 13.50 | 13.50 | -6.90% | |
| 15.00 | 15.25 | 14.50 | 14.50 | -3.33% | |
| 15.50 | 15.50 | 14.50 | 15.00 | -3.23% | |
| 15.50 | 15.75 | 15.00 | 15.50 | -1.59% | |
| 15.00 | 16.25 | 14.50 | 15.75 | +6.78% | |
| 15.50 | 15.75 | 14.25 | 14.75 | -4.84% | |
| 16.50 | 17.50 | 15.00 | 15.50 | +6.90% | |
| 15.50 | 16.25 | 14.00 | 14.50 | -6.45% | |
| 15.00 | 16.00 | 15.00 | 15.50 | +1.64% | |
| 16.75 | 16.75 | 15.00 | 15.25 | -10.29% | |
| 17.75 | 18.25 | 16.25 | 17.00 | -2.86% | |
| 16.25 | 17.75 | 16.00 | 17.50 | +2.94% | |
| 17.50 | 17.75 | 16.50 | 17.00 | -2.86% | |
| 17.50 | 17.50 | 16.25 | 17.50 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the CNSY chart for longer ranges.