Cyclerion Therapeutics, Inc. (CYCN)
NASDAQ: CYCN · Real-Time Price · USD
3.930
+0.040 (1.03%)
At close: Aug 24, 2026, 4:00 PM EDT
4.067
+0.137 (3.48%)
After-hours: Aug 24, 2026, 7:30 PM EDT
Cyclerion Therapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 24, 2026 | 4.03 | 4.40 | 3.90 | 3.93 | 3.93 | 1.03% | 89,253 |
| Aug 21, 2026 | 4.07 | 4.29 | 3.78 | 3.89 | 3.89 | -4.42% | 64,691 |
| Aug 20, 2026 | 4.07 | 4.47 | 4.01 | 4.07 | 4.07 | -1.45% | 86,133 |
| Aug 19, 2026 | 4.05 | 4.30 | 4.05 | 4.13 | 4.13 | 0.24% | 14,602 |
| Aug 18, 2026 | 3.92 | 4.25 | 3.87 | 4.12 | 4.12 | 2.23% | 14,636 |
| Aug 17, 2026 | 3.76 | 4.20 | 3.76 | 4.03 | 4.03 | 6.33% | 15,362 |
| Aug 14, 2026 | 3.85 | 3.97 | 3.73 | 3.79 | 3.79 | -3.07% | 24,206 |
| Aug 13, 2026 | 3.92 | 4.45 | 3.81 | 3.91 | 3.91 | -0.26% | 82,973 |
| Aug 12, 2026 | 3.53 | 4.16 | 3.53 | 3.92 | 3.92 | 9.80% | 102,693 |
| Aug 11, 2026 | 3.56 | 3.67 | 3.40 | 3.57 | 3.57 | -0.28% | 10,604 |
| Aug 10, 2026 | 3.51 | 3.73 | 3.51 | 3.58 | 3.58 | 0.28% | 8,346 |
| Aug 7, 2026 | 3.50 | 3.71 | 3.50 | 3.57 | 3.57 | 0.28% | 19,844 |
| Aug 6, 2026 | 3.41 | 3.70 | 3.41 | 3.56 | 3.56 | 0.28% | 4,905 |
| Aug 5, 2026 | 3.50 | 3.69 | 3.40 | 3.55 | 3.55 | 1.14% | 39,997 |
| Aug 4, 2026 | 3.49 | 3.67 | 3.44 | 3.51 | 3.51 | 0.57% | 6,373 |
| Aug 3, 2026 | 3.41 | 3.58 | 3.37 | 3.49 | 3.49 | 1.45% | 5,187 |
| Jul 31, 2026 | 3.48 | 3.60 | 3.36 | 3.44 | 3.44 | -1.71% | 15,705 |
| Jul 30, 2026 | 3.50 | 3.50 | 3.47 | 3.50 | 3.50 | - | 3,542 |
| Jul 29, 2026 | 3.46 | 3.60 | 3.43 | 3.50 | 3.50 | - | 10,067 |
| Jul 28, 2026 | 3.50 | 3.66 | 3.37 | 3.50 | 3.50 | - | 18,507 |
| Jul 27, 2026 | 3.41 | 3.55 | 3.41 | 3.50 | 3.50 | - | 15,802 |
| Jul 24, 2026 | 3.58 | 3.62 | 3.40 | 3.50 | 3.50 | -3.31% | 73,380 |
| Jul 23, 2026 | 3.65 | 3.65 | 3.60 | 3.62 | 3.62 | -0.28% | 5,870 |
| Jul 22, 2026 | 3.73 | 3.80 | 3.60 | 3.63 | 3.63 | -1.76% | 11,411 |
| Jul 21, 2026 | 3.69 | 3.72 | 3.60 | 3.70 | 3.70 | 1.23% | 7,582 |
| Jul 20, 2026 | 3.61 | 3.76 | 3.56 | 3.65 | 3.65 | 0.27% | 20,255 |
| Jul 17, 2026 | 3.60 | 3.67 | 3.57 | 3.64 | 3.64 | -0.55% | 18,140 |
| Jul 16, 2026 | 3.67 | 3.84 | 3.56 | 3.66 | 3.66 | -1.35% | 11,442 |
| Jul 15, 2026 | 3.78 | 3.90 | 3.67 | 3.71 | 3.71 | -3.13% | 23,097 |
| Jul 14, 2026 | 3.88 | 3.94 | 3.55 | 3.83 | 3.83 | 0.26% | 30,566 |
| Jul 13, 2026 | 3.74 | 3.88 | 3.68 | 3.82 | 3.82 | -0.39% | 11,810 |
| Jul 10, 2026 | 3.85 | 3.85 | 3.51 | 3.84 | 3.84 | -2.42% | 27,568 |
| Jul 9, 2026 | 3.51 | 3.97 | 3.45 | 3.93 | 3.93 | 13.09% | 104,495 |
| Jul 8, 2026 | 3.33 | 3.49 | 3.33 | 3.48 | 3.48 | -0.14% | 6,464 |
| Jul 7, 2026 | 3.41 | 3.48 | 3.36 | 3.48 | 3.48 | 0.58% | 11,244 |
| Jul 6, 2026 | 3.36 | 3.49 | 3.36 | 3.46 | 3.46 | 0.87% | 5,009 |
| Jul 2, 2026 | 3.44 | 3.57 | 3.35 | 3.43 | 3.43 | 1.78% | 13,137 |
| Jul 1, 2026 | 3.44 | 3.59 | 3.35 | 3.37 | 3.37 | -0.59% | 27,528 |
| Jun 30, 2026 | 3.28 | 3.48 | 3.28 | 3.39 | 3.39 | 1.04% | 15,652 |
| Jun 29, 2026 | 3.34 | 3.41 | 3.34 | 3.36 | 3.36 | -0.74% | 8,148 |
| Jun 26, 2026 | 3.14 | 3.38 | 3.14 | 3.38 | 3.38 | 6.62% | 27,970 |
| Jun 25, 2026 | 3.12 | 3.26 | 3.12 | 3.17 | 3.17 | 0.96% | 13,982 |
| Jun 24, 2026 | 3.25 | 3.32 | 3.14 | 3.14 | 3.14 | -3.98% | 41,616 |
| Jun 23, 2026 | 3.13 | 3.35 | 3.13 | 3.27 | 3.27 | 1.55% | 14,014 |
| Jun 22, 2026 | 3.14 | 3.28 | 3.03 | 3.22 | 3.22 | 0.63% | 20,211 |
| Jun 18, 2026 | 3.22 | 3.30 | 3.20 | 3.20 | 3.20 | 0.63% | 43,917 |
| Jun 17, 2026 | 3.13 | 3.35 | 3.13 | 3.18 | 3.18 | - | 20,546 |
| Jun 16, 2026 | 3.15 | 3.24 | 3.11 | 3.18 | 3.18 | - | 62,885 |
| Jun 15, 2026 | 3.31 | 3.40 | 3.18 | 3.18 | 3.18 | -2.15% | 37,069 |
| Jun 12, 2026 | 3.11 | 3.27 | 3.11 | 3.25 | 3.25 | 1.25% | 39,097 |