Cyclerion Therapeutics, Inc. (CYCN)
NASDAQ: CYCN · Real-Time Price · USD
3.040
+0.110 (3.75%)
At close: Apr 28, 2026, 4:00 PM EDT
2.980
-0.060 (-1.97%)
After-hours: Apr 28, 2026, 7:27 PM EDT
Cyclerion Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 2.89 | 3.09 | 2.83 | 3.04 | 3.04 | 3.75% | 91,894 |
| Apr 27, 2026 | 2.90 | 2.96 | 2.90 | 2.93 | 2.93 | -0.34% | 92,327 |
| Apr 24, 2026 | 2.91 | 3.01 | 2.87 | 2.94 | 2.94 | -0.34% | 145,794 |
| Apr 23, 2026 | 3.05 | 3.11 | 2.90 | 2.95 | 2.95 | -3.59% | 152,269 |
| Apr 22, 2026 | 3.03 | 3.08 | 2.98 | 3.06 | 3.06 | 2.00% | 111,154 |
| Apr 21, 2026 | 2.94 | 3.14 | 2.94 | 3.00 | 3.00 | - | 147,722 |
| Apr 20, 2026 | 2.91 | 3.11 | 2.91 | 3.00 | 3.00 | -0.66% | 122,291 |
| Apr 17, 2026 | 2.94 | 3.03 | 2.83 | 3.02 | 3.02 | 1.34% | 272,089 |
| Apr 16, 2026 | 2.95 | 3.04 | 2.86 | 2.98 | 2.98 | -1.65% | 193,041 |
| Apr 15, 2026 | 3.16 | 3.38 | 2.98 | 3.03 | 3.03 | -5.90% | 180,429 |
| Apr 14, 2026 | 2.84 | 3.28 | 2.80 | 3.22 | 3.22 | 11.42% | 321,700 |
| Apr 13, 2026 | 2.91 | 3.05 | 2.83 | 2.89 | 2.89 | -0.69% | 307,700 |
| Apr 10, 2026 | 3.08 | 3.27 | 2.80 | 2.91 | 2.91 | -7.91% | 329,704 |
| Apr 9, 2026 | 2.89 | 3.75 | 2.85 | 3.16 | 3.16 | 9.34% | 2,102,947 |
| Apr 8, 2026 | 3.49 | 3.69 | 2.79 | 2.89 | 2.89 | -16.95% | 1,140,267 |
| Apr 7, 2026 | 4.03 | 4.14 | 3.35 | 3.48 | 3.48 | -16.14% | 1,057,983 |
| Apr 6, 2026 | 5.12 | 5.45 | 4.04 | 4.15 | 4.15 | -32.52% | 2,936,773 |
| Apr 2, 2026 | 4.94 | 6.75 | 4.65 | 6.15 | 6.15 | -3.61% | 10,892,644 |
| Apr 1, 2026 | 5.42 | 8.48 | 5.37 | 6.38 | 6.38 | 311.61% | 256,338,725 |
| Mar 31, 2026 | 1.47 | 1.55 | 1.46 | 1.55 | 1.55 | 7.27% | 27,566 |
| Mar 30, 2026 | 1.45 | 1.46 | 1.40 | 1.45 | 1.45 | -3.99% | 33,065 |
| Mar 27, 2026 | 1.53 | 1.53 | 1.45 | 1.51 | 1.51 | -2.90% | 31,072 |
| Mar 26, 2026 | 1.58 | 1.59 | 1.55 | 1.55 | 1.55 | -4.32% | 12,756 |
| Mar 25, 2026 | 1.65 | 1.65 | 1.58 | 1.62 | 1.62 | -1.22% | 12,194 |
| Mar 24, 2026 | 1.54 | 1.68 | 1.50 | 1.64 | 1.64 | 3.14% | 63,581 |
| Mar 23, 2026 | 1.56 | 1.60 | 1.49 | 1.59 | 1.59 | - | 30,826 |
| Mar 20, 2026 | 1.53 | 1.59 | 1.44 | 1.59 | 1.59 | 5.30% | 61,436 |
| Mar 19, 2026 | 1.42 | 1.54 | 1.42 | 1.51 | 1.51 | 3.42% | 13,417 |
| Mar 18, 2026 | 1.45 | 1.48 | 1.40 | 1.46 | 1.46 | -1.35% | 36,689 |
| Mar 17, 2026 | 1.48 | 1.56 | 1.44 | 1.48 | 1.48 | -0.34% | 34,873 |
| Mar 16, 2026 | 1.43 | 1.54 | 1.31 | 1.49 | 1.49 | 2.41% | 44,215 |
| Mar 13, 2026 | 1.40 | 1.48 | 1.39 | 1.45 | 1.45 | 2.11% | 18,836 |
| Mar 12, 2026 | 1.40 | 1.46 | 1.39 | 1.42 | 1.42 | -0.70% | 14,352 |
| Mar 11, 2026 | 1.43 | 1.47 | 1.40 | 1.43 | 1.43 | -2.72% | 38,626 |
| Mar 10, 2026 | 1.46 | 1.62 | 1.44 | 1.47 | 1.47 | -1.34% | 74,352 |
| Mar 9, 2026 | 1.38 | 1.49 | 1.33 | 1.49 | 1.49 | 5.67% | 54,528 |
| Mar 6, 2026 | 1.32 | 1.44 | 1.31 | 1.41 | 1.41 | 1.44% | 24,734 |
| Mar 5, 2026 | 1.32 | 1.50 | 1.31 | 1.39 | 1.39 | - | 64,813 |
| Mar 4, 2026 | 1.34 | 1.41 | 1.34 | 1.39 | 1.39 | 2.96% | 20,624 |
| Mar 3, 2026 | 1.31 | 1.42 | 1.28 | 1.35 | 1.35 | 3.85% | 49,237 |
| Mar 2, 2026 | 1.31 | 1.40 | 1.29 | 1.30 | 1.30 | -3.70% | 81,096 |
| Feb 27, 2026 | 1.29 | 1.39 | 1.28 | 1.35 | 1.35 | 3.05% | 71,963 |
| Feb 26, 2026 | 1.18 | 1.31 | 1.18 | 1.31 | 1.31 | 0.77% | 28,364 |
| Feb 25, 2026 | 1.30 | 1.34 | 1.26 | 1.30 | 1.30 | -1.52% | 21,744 |
| Feb 24, 2026 | 1.26 | 1.35 | 1.26 | 1.32 | 1.32 | - | 25,538 |
| Feb 23, 2026 | 1.31 | 1.34 | 1.27 | 1.32 | 1.32 | -1.49% | 23,006 |
| Feb 20, 2026 | 1.29 | 1.35 | 1.29 | 1.34 | 1.34 | -1.47% | 8,354 |
| Feb 19, 2026 | 1.34 | 1.37 | 1.29 | 1.36 | 1.36 | 0.74% | 18,277 |
| Feb 18, 2026 | 1.23 | 1.38 | 1.23 | 1.35 | 1.35 | 8.87% | 76,519 |
| Feb 17, 2026 | 1.23 | 1.28 | 1.16 | 1.24 | 1.24 | -0.80% | 43,404 |
| Feb 13, 2026 | 1.19 | 1.33 | 1.17 | 1.25 | 1.25 | 3.31% | 58,659 |
| Feb 12, 2026 | 1.22 | 1.27 | 1.18 | 1.21 | 1.21 | -0.82% | 40,570 |
| Feb 11, 2026 | 1.14 | 1.28 | 1.12 | 1.22 | 1.22 | 4.27% | 52,810 |
| Feb 10, 2026 | 1.19 | 1.22 | 1.16 | 1.17 | 1.17 | - | 19,967 |
| Feb 9, 2026 | 1.11 | 1.19 | 1.03 | 1.17 | 1.17 | 6.36% | 82,754 |
| Feb 6, 2026 | 1.11 | 1.12 | 1.06 | 1.10 | 1.10 | 1.85% | 76,311 |
| Feb 5, 2026 | 1.20 | 1.23 | 1.07 | 1.08 | 1.08 | -12.90% | 133,384 |
| Feb 4, 2026 | 1.25 | 1.28 | 1.24 | 1.24 | 1.24 | - | 46,941 |
| Feb 3, 2026 | 1.37 | 1.52 | 1.24 | 1.24 | 1.24 | -10.14% | 189,139 |
| Feb 2, 2026 | 1.34 | 1.48 | 1.34 | 1.38 | 1.38 | 1.47% | 106,437 |
| Jan 30, 2026 | 1.36 | 1.39 | 1.34 | 1.36 | 1.36 | -0.73% | 31,881 |
| Jan 29, 2026 | 1.40 | 1.44 | 1.36 | 1.37 | 1.37 | -5.52% | 73,692 |
| Jan 28, 2026 | 1.51 | 1.51 | 1.42 | 1.45 | 1.45 | -3.33% | 53,625 |
| Jan 27, 2026 | 1.46 | 1.50 | 1.44 | 1.50 | 1.50 | 1.35% | 49,932 |
| Jan 26, 2026 | 1.53 | 1.53 | 1.46 | 1.48 | 1.48 | -3.90% | 92,004 |
| Jan 23, 2026 | 1.39 | 1.69 | 1.37 | 1.54 | 1.54 | 11.59% | 1,004,511 |
| Jan 22, 2026 | 1.37 | 1.40 | 1.36 | 1.38 | 1.38 | 2.22% | 55,905 |
| Jan 21, 2026 | 1.33 | 1.40 | 1.33 | 1.35 | 1.35 | - | 57,377 |
| Jan 20, 2026 | 1.35 | 1.40 | 1.34 | 1.35 | 1.35 | -0.74% | 36,188 |
| Jan 16, 2026 | 1.36 | 1.43 | 1.34 | 1.36 | 1.36 | - | 82,801 |
| Jan 15, 2026 | 1.49 | 1.51 | 1.36 | 1.36 | 1.36 | -10.53% | 164,254 |
| Jan 14, 2026 | 1.53 | 1.60 | 1.48 | 1.52 | 1.52 | -0.65% | 121,060 |
| Jan 13, 2026 | 1.70 | 1.72 | 1.53 | 1.53 | 1.53 | -10.53% | 203,908 |
| Jan 12, 2026 | 1.68 | 1.85 | 1.66 | 1.71 | 1.71 | 3.64% | 192,985 |
| Jan 9, 2026 | 1.91 | 2.00 | 1.65 | 1.65 | 1.65 | -14.51% | 499,898 |
| Jan 8, 2026 | 1.65 | 1.99 | 1.64 | 1.93 | 1.93 | 7.22% | 884,250 |
| Jan 7, 2026 | 1.94 | 1.95 | 1.58 | 1.80 | 1.80 | -7.69% | 2,269,098 |
| Jan 6, 2026 | 2.17 | 2.28 | 1.86 | 1.95 | 1.95 | 41.30% | 71,453,948 |
| Jan 5, 2026 | 1.34 | 1.43 | 1.28 | 1.38 | 1.38 | 2.99% | 11,462,383 |
| Jan 2, 2026 | 1.25 | 1.35 | 1.25 | 1.34 | 1.34 | 5.51% | 10,870 |
| Dec 31, 2025 | 1.23 | 1.27 | 1.20 | 1.27 | 1.27 | 7.63% | 30,594 |
| Dec 30, 2025 | 1.19 | 1.22 | 1.16 | 1.18 | 1.18 | -1.67% | 22,112 |
| Dec 29, 2025 | 1.29 | 1.32 | 1.20 | 1.20 | 1.20 | -11.11% | 34,186 |
| Dec 26, 2025 | 1.33 | 1.37 | 1.30 | 1.35 | 1.35 | -2.17% | 32,911 |
| Dec 24, 2025 | 1.40 | 1.41 | 1.34 | 1.38 | 1.38 | -3.50% | 9,979 |
| Dec 23, 2025 | 1.47 | 1.49 | 1.40 | 1.43 | 1.43 | -2.72% | 21,190 |
| Dec 22, 2025 | 1.45 | 1.51 | 1.40 | 1.47 | 1.47 | 1.38% | 56,090 |
| Dec 19, 2025 | 1.42 | 1.47 | 1.41 | 1.45 | 1.45 | -1.36% | 27,553 |
| Dec 18, 2025 | 1.52 | 1.52 | 1.43 | 1.47 | 1.47 | -3.29% | 19,866 |
| Dec 17, 2025 | 1.51 | 1.64 | 1.49 | 1.52 | 1.52 | -0.65% | 16,717 |
| Dec 16, 2025 | 1.60 | 1.60 | 1.52 | 1.53 | 1.53 | -4.38% | 39,612 |
| Dec 15, 2025 | 1.51 | 1.63 | 1.47 | 1.60 | 1.60 | 5.96% | 46,882 |
| Dec 12, 2025 | 1.64 | 1.64 | 1.43 | 1.51 | 1.51 | -10.12% | 64,271 |
| Dec 11, 2025 | 1.68 | 1.73 | 1.62 | 1.68 | 1.68 | -2.33% | 38,482 |
| Dec 10, 2025 | 1.67 | 1.77 | 1.65 | 1.72 | 1.72 | 3.61% | 33,290 |
| Dec 9, 2025 | 1.72 | 1.72 | 1.66 | 1.66 | 1.66 | -1.78% | 11,248 |
| Dec 8, 2025 | 1.63 | 1.82 | 1.63 | 1.69 | 1.69 | 0.60% | 128,057 |
| Dec 5, 2025 | 1.70 | 1.73 | 1.66 | 1.68 | 1.68 | -1.18% | 31,823 |
| Dec 4, 2025 | 1.49 | 1.73 | 1.49 | 1.70 | 1.70 | 11.11% | 147,244 |
| Dec 3, 2025 | 1.50 | 1.55 | 1.48 | 1.53 | 1.53 | - | 56,405 |