Cyclerion Therapeutics, Inc. (CYCN) Stock Price History
Historical prices from 2019 to 2026
- 1M
- +6.0%
- 3M
- +119.2%
- YTD
- +138.8%
- 1Y
- +1.6%
- 3Y
- -11.3%
- 5Y
- -46.7%
Loading 10-year price history...
CYCN Historical Performance
CYCN Annual Returns
Year-by-year price performance · 2019–2026
- 2019 annual price return
- -78.2%
- 2020 annual price return
- +19.1%
- 2021 annual price return
- -43.4%
- 2022 annual price return
- -63.1%
- 2023 annual price return
- -75.0%
- 2024 annual price return
- -8.0%
- 2025 annual price return
- -61.4%
- 2026 annual price return
- +0.7%
CYCN Stock Price Trajectory (2019–2026)
As of June 22, 2026, Cyclerion Therapeutics, Inc. (CYCN) trades at $3.20, representing a +1.6% return over the past year. The stock has delivered a -95.7% total return over five years (-46.7% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $457.00 on April 1, 2019. From this peak, CYCN has corrected -99.3%, currently trading 49% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers ADMA (-54.2% 1Y), IMVT (+122.8% 1Y), and KALA (-98.3% 1Y), CYCN has underperformed the peer group average. Compare CYCN vs ADMA →
CYCN Historical Price Data · from 2019
Rows 1–50 of 1,819| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-18 | 3.22 | 3.30 | 3.20 | 3.20 | 36K | -4.48% |
| 2026-06-17 | 3.13 | 3.35 | 3.13 | 3.35 | 20K | +5.35% |
| 2026-06-16 | 3.15 | 3.24 | 3.11 | 3.18 | 62K | 0.00% |
| 2026-06-15 | 3.31 | 3.39 | 3.18 | 3.18 | 37K | -2.15% |
| 2026-06-12 | 3.18 | 3.27 | 3.11 | 3.25 | 39K | +1.25% |
| 2026-06-11 | 3.09 | 3.21 | 3.01 | 3.21 | 22K | +3.88% |
| 2026-06-10 | 2.96 | 3.15 | 2.96 | 3.09 | 21K | +3.00% |
| 2026-06-09 | 3.07 | 3.10 | 2.98 | 3.00 | 23K | -0.33% |
| 2026-06-08 | 3.08 | 3.08 | 2.99 | 3.01 | 27K | +1.01% |
| 2026-06-05 | 2.98 | 3.09 | 2.96 | 2.98 | 24K | -2.61% |
| 2026-06-04 | 2.96 | 3.12 | 2.96 | 3.06 | 39K | +2.00% |
| 2026-06-03 | 3.00 | 3.04 | 2.98 | 3.00 | 32K | -1.96% |
| 2026-06-02 | 3.04 | 3.06 | 2.96 | 3.06 | 30K | -0.65% |
| 2026-06-01 | 3.15 | 3.15 | 2.96 | 3.08 | 27K | -2.22% |
| 2026-05-29 | 3.24 | 3.28 | 3.15 | 3.15 | 34K | -0.94% |
| 2026-05-28 | 3.15 | 3.28 | 3.13 | 3.18 | 23K | +0.95% |
| 2026-05-27 | 3.10 | 3.24 | 3.10 | 3.15 | 23K | -1.56% |
| 2026-05-26 | 3.08 | 3.20 | 3.01 | 3.20 | 29K | +0.63% |
| 2026-05-22 | 3.15 | 3.35 | 3.14 | 3.18 | 36K | +0.63% |
| 2026-05-21 | 3.08 | 3.21 | 3.03 | 3.16 | 15K | +2.60% |
| 2026-05-20 | 2.98 | 3.14 | 2.98 | 3.08 | 59K | +2.67% |
| 2026-05-19 | 3.00 | 3.02 | 2.93 | 3.00 | 39K | -0.66% |
| 2026-05-18 | 3.05 | 3.15 | 2.96 | 3.02 | 54K | -3.21% |
| 2026-05-15 | 3.06 | 3.17 | 3.06 | 3.12 | 51K | +0.97% |
| 2026-05-14 | 3.15 | 3.18 | 3.09 | 3.09 | 113K | -1.28% |
| 2026-05-13 | 3.08 | 3.22 | 3.08 | 3.13 | 143K | -1.57% |
| 2026-05-12 | 3.09 | 3.22 | 3.05 | 3.18 | 54K | -0.31% |
| 2026-05-11 | 3.17 | 3.19 | 3.04 | 3.19 | 48K | +2.90% |
| 2026-05-08 | 3.12 | 3.15 | 3.06 | 3.10 | 54K | -1.59% |
| 2026-05-07 | 3.19 | 3.20 | 3.09 | 3.15 | 87K | -2.78% |
| 2026-05-06 | 3.25 | 3.25 | 3.13 | 3.24 | 67K | +2.86% |
| 2026-05-05 | 3.21 | 3.28 | 3.15 | 3.15 | 26K | -3.37% |
| 2026-05-04 | 3.02 | 3.29 | 3.02 | 3.26 | 78K | 0.00% |
| 2026-05-01 | 3.22 | 3.31 | 3.20 | 3.26 | 63K | -1.51% |
| 2026-04-30 | 3.35 | 3.35 | 3.25 | 3.31 | 75K | -0.30% |
| 2026-04-29 | 2.96 | 3.50 | 2.96 | 3.32 | 264K | +9.21% |
| 2026-04-28 | 2.90 | 3.09 | 2.83 | 3.04 | 91K | +3.75% |
| 2026-04-27 | 2.90 | 2.96 | 2.90 | 2.93 | 89K | -0.34% |
| 2026-04-24 | 2.91 | 2.96 | 2.89 | 2.94 | 146K | -0.34% |
| 2026-04-23 | 3.05 | 3.06 | 2.90 | 2.95 | 148K | -3.59% |
| 2026-04-22 | 3.03 | 3.08 | 2.98 | 3.06 | 108K | +2.00% |
| 2026-04-21 | 2.94 | 3.12 | 2.94 | 3.00 | 145K | 0.00% |
| 2026-04-20 | 2.91 | 3.11 | 2.91 | 3.00 | 122K | -0.66% |
| 2026-04-17 | 2.94 | 3.02 | 2.85 | 3.02 | 272K | +1.34% |
| 2026-04-16 | 2.90 | 3.04 | 2.86 | 2.98 | 186K | -1.65% |
| 2026-04-15 | 3.16 | 3.38 | 2.98 | 3.03 | 180K | -5.90% |
| 2026-04-14 | 2.84 | 3.28 | 2.80 | 3.22 | 320K | +11.42% |
| 2026-04-13 | 2.93 | 3.05 | 2.83 | 2.89 | 301K | -0.69% |
| 2026-04-10 | 3.08 | 3.27 | 2.80 | 2.91 | 327K | -7.91% |
| 2026-04-09 | 2.89 | 3.75 | 2.85 | 3.16 | 2.09M | +9.34% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
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Peer Comparison
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CYCN — Frequently Asked Questions
Quick answers to the most common questions about buying CYCN stock.
How has CYCN stock performed recently?
CYCN returned +1.6% over the past year, beating its 5-year annualized CAGR of -46.7%. The stock trades above its 200-day moving average, confirming the uptrend.
What is CYCN's all-time high price?
Cyclerion Therapeutics, Inc. reached $457.00 on 2019-04-01. The 52-week high is $8.48. Current 1-year return of +1.6% places the stock closer to historical peaks.
Where can I download CYCN historical price data?
This page provides CYCN daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2019-2026, downloadable in CSV format.