Cyclerion Therapeutics, Inc. (CYCN) Stock Price History
Historical prices from 2019 to 2026
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CYCN Historical Performance
Short-Term Returns
CYCN Stock Price Trajectory (2019–2026)
As of May 8, 2026, Cyclerion Therapeutics, Inc. (CYCN) trades at $3.15, representing a -8.2% return over the past year. The stock has delivered a -94.3% total return over five years (-43.6% 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 52% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers ADMA (-64.1% 1Y), IMVT (+96.1% 1Y), and KALA (-97.6% 1Y), CYCN has underperformed the peer group average. Compare CYCN vs ADMA →
CYCN Historical Price Data (2025–2026)
Showing 30 of 1,790 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 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% |
| 2026-04-08 | 3.52 | 3.59 | 2.80 | 2.89 | 1.14M | -16.95% |
| 2026-04-07 | 4.03 | 4.14 | 3.35 | 3.48 | 1.06M | -16.14% |
| 2026-04-06 | 5.12 | 5.44 | 4.03 | 4.15 | 2.91M | -32.52% |
| 2026-04-02 | 4.94 | 6.75 | 4.65 | 6.15 | 10.73M | -3.61% |
| 2026-04-01 | 5.43 | 8.48 | 5.39 | 6.38 | 252.32M | +311.61% |
| 2026-03-31 | 1.47 | 1.55 | 1.46 | 1.55 | 28K | +7.27% |
| 2026-03-30 | 1.45 | 1.46 | 1.40 | 1.45 | 33K | -3.99% |
| 2026-03-27 | 1.52 | 1.53 | 1.45 | 1.50 | 31K | -2.90% |
| 2026-03-26 | 1.58 | 1.59 | 1.55 | 1.55 | 12K | -4.32% |
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Start ComparisonCYCN — Frequently Asked Questions
Quick answers to the most common questions about buying CYCN stock.
How has CYCN stock performed recently?
CYCN declined -8.2% over the past year, below its 5-year annualized CAGR of -43.6%. The stock trades above its 200-day moving average, reflecting the downtrend.
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 -8.2% places the stock further from 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.