Stock listing
NASDAQ:CYCN Cyclerion Therapeutics, Inc. Stock
Home listing (NASDAQ) of Cyclerion Therapeutics, Inc.
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Share price · NASDAQ:CYCN
$3.36 USD
Close on Oct 14, 2026
- Day range
- $3.36 – $23.52 USDOct 14, 2026
- Volume
- 435,847 sharesOct 14, 2026
- Market cap
- $2.25M USDAt the close on Oct 14, 2026 · price × 668,764 shares outstanding
- 52-week range
- $1.03 – $23.52 USDLowest and highest trades, Oct 15, 2025 – Oct 14, 2026
- Traded on an average day
- $41,876 USDMedian day 409 shares · last 3 months, Jul 14, 2026 – Oct 14, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:CYCN · Home | $3.36 USD | — | 435,847 | $3.72 | $23.52 | $3.36 | — | Close on Oct 14, 2026 |
Daily closes
Last 3 months, Jul 14, 2026 – Oct 14, 2026 · NASDAQ:CYCN · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $3.36 | -1.16 | -25.7% | $3.72 | $23.52 | $3.36 | 435,847 | |
| $4.52 | +0.35 | +8.4% | $4.13 | $4.63 | $3.983 | 2,332 | |
| $4.17 | +0.49 | +13.3% | $3.66 | $4.22 | $3.66 | 2,525 | |
| $3.68 | -0.08 | -2.1% | $3.77 | $3.89 | $3.545 | 3,378 | |
| $3.76 | -0.23 | -5.8% | $3.99 | $4.27 | $3.76 | 1,225 | |
| $3.99 | -0.16 | -3.9% | $4.10 | $4.26 | $3.94 | 1,981 | |
| $4.15 | +0.151 | +3.8% | $3.97 | $4.40 | $3.966 | 1,862 | |
| $4.00 | +0.07 | +1.8% | $3.93 | $4.18 | $3.93 | 1,659 | |
| $3.93 | +0.04 | +1.0% | $4.03 | $4.40 | $3.90 | 1,852 | |
| $3.89 | -0.18 | -4.4% | $4.07 | $4.288 | $3.78 | 1,342 | |
| $4.07 | -0.06 | -1.5% | $4.07 | $4.468 | $4.01 | 1,758 | |
| $4.13 | +0.01 | +0.2% | $4.05 | $4.30 | $4.05 | 298 | |
| $4.12 | +0.09 | +2.2% | $3.92 | $4.25 | $3.87 | 299 | |
| $4.03 | +0.24 | +6.3% | $3.76 | $4.20 | $3.76 | 313 | |
| $3.79 | -0.12 | -3.1% | $3.85 | $3.97 | $3.73 | 494 | |
| $3.91 | -0.01 | -0.3% | $3.92 | $4.45 | $3.807 | 1,693 | |
| $3.92 | +0.35 | +9.8% | $3.53 | $4.16 | $3.53 | 2,096 | |
| $3.57 | -0.01 | -0.3% | $3.56 | $3.67 | $3.40 | 216 | |
| $3.58 | +0.01 | +0.3% | $3.51 | $3.73 | $3.51 | 170 | |
| $3.57 | +0.01 | +0.3% | $3.50 | $3.71 | $3.50 | 405 | |
| $3.56 | +0.011 | +0.3% | $3.41 | $3.70 | $3.41 | 100 | |
| $3.55 | +0.04 | +1.1% | $3.50 | $3.69 | $3.399 | 816 | |
| $3.51 | +0.02 | +0.6% | $3.49 | $3.67 | $3.435 | 130 | |
| $3.49 | +0.05 | +1.5% | $3.41 | $3.58 | $3.366 | 106 | |
| $3.44 | -0.06 | -1.7% | $3.48 | $3.595 | $3.361 | 320 | |
| $3.50 | 0.00 | 0.0% | $3.50 | $3.504 | $3.47 | 72 | |
| $3.50 | 0.00 | 0.0% | $3.46 | $3.60 | $3.427 | 205 | |
| $3.50 | 0.00 | 0.0% | $3.50 | $3.655 | $3.37 | 378 | |
| $3.50 | 0.00 | 0.0% | $3.41 | $3.55 | $3.41 | 322 | |
| $3.50 | -0.12 | -3.3% | $3.58 | $3.62 | $3.402 | 1,498 | |
| $3.62 | -0.01 | -0.3% | $3.65 | $3.652 | $3.60 | 120 | |
| $3.63 | -0.065 | -1.8% | $3.73 | $3.80 | $3.60 | 233 | |
| $3.695 | +0.046 | +1.2% | $3.69 | $3.72 | $3.60 | 155 | |
| $3.65 | +0.01 | +0.3% | $3.61 | $3.76 | $3.56 | 413 | |
| $3.64 | -0.02 | -0.6% | $3.60 | $3.67 | $3.573 | 370 | |
| $3.66 | -0.05 | -1.3% | $3.67 | $3.84 | $3.56 | 233 | |
| $3.71 | -0.12 | -3.1% | $3.78 | $3.90 | $3.67 | 471 | |
| $3.83 | +0.01 | +0.3% | $3.88 | $3.94 | $3.55 | 624 |
- Ticker
- NASDAQ:CYCN
- Asset type
- Stock
- Sector
- Health care
- Industry
- Biotechnology
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Apr 1, 2026
Cyclerion Therapeutics and Korsana Biosciences Announce Merger Agreement
Latest deck · July 2026
Korsana Biosciences — Merger or Acquisition (July 2026)
Merger or acquisition · 32 slides
Latest news
Cyclerion Therapeutics and Korsana Biosciences Announce Merger Agreement
Apr 1, 2026
Closed $6.38 (+311.7%) on Apr 1, 2026
Cyclerion Therapeutics Announces Progress Toward CYC-126 Phase 2 Proof-of-Concept Study with FDA Feedback and Formation of Clinical Advisory Board
Feb 17, 2026
Closed $1.24 (-0.8%) on Feb 17, 2026
Decks
Korsana Biosciences — Merger or Acquisition (July 2026)
Merger or acquisition · 32 slides · July 2026
Merger or Acquisition (April 2026)
Merger or acquisition · 52 slides · Apr 1, 2026
Merger or Acquisition (April 2026)
Merger or acquisition · 56 slides · Apr 1, 2026
Korsana Biosciences — Merger or Acquisition (April 2026)
Merger or acquisition · 31 slides · April 2026
Cyclerion Therapeutics, Inc. on 6ix
- Sector
- Health care
- Industry
- Biotechnology
- News releases
- 3 in the last 12 months · 47 in all · newest Apr 1, 2026 · oldest 2019
- Decks
- 19 decks · latest July 2026
Where Cyclerion Therapeutics, Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:CYCN · Home listing · This page | NASDAQ | United States | USD |
| BOATS:CYCN | BOATS | United States | USD |
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