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Cyclerion Therapeutics, Inc. (CYCN)
NASDAQ: CYCN · Real-Time Price · USD
1.680
-0.020 (-1.18%)
At close: Dec 5, 2025, 4:00 PM EST
1.690
+0.010 (0.60%)
After-hours: Dec 5, 2025, 7:56 PM EST

Cyclerion Therapeutics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 5, 20251.701.731.661.681.68-1.18%31,823
Dec 4, 20251.491.731.491.701.7011.11%146,535
Dec 3, 20251.501.551.481.531.53-56,405
Dec 2, 20251.571.571.511.531.53-1.92%34,321
Dec 1, 20251.541.591.531.561.56-1.27%22,935
Nov 28, 20251.551.601.551.581.583.95%25,792
Nov 26, 20251.481.551.481.521.523.40%42,133
Nov 25, 20251.491.561.441.471.47-1.34%52,778
Nov 24, 20251.461.501.451.491.490.68%43,363
Nov 21, 20251.411.491.411.481.484.23%42,970
Nov 20, 20251.441.501.411.421.420.71%89,476
Nov 19, 20251.441.461.391.411.41-0.70%32,982
Nov 18, 20251.351.471.351.421.422.16%45,773
Nov 17, 20251.401.431.331.391.392.21%83,856
Nov 14, 20251.351.461.331.361.36-5.56%76,072
Nov 13, 20251.331.521.281.441.441.41%276,584
Nov 12, 20251.461.551.401.421.42-11.80%296,278
Nov 11, 20251.821.841.511.611.61-10.56%2,996,705
Nov 10, 20251.631.821.621.801.8010.97%16,892,304
Nov 7, 20251.631.671.601.621.62-4.02%18,745
Nov 6, 20251.671.741.671.691.69-3.43%9,149
Nov 5, 20251.751.831.721.751.753.55%10,339
Nov 4, 20251.801.841.691.691.69-9.14%19,495
Nov 3, 20251.881.881.721.861.86-0.53%46,232
Oct 31, 20251.911.921.841.871.87-2.60%30,645
Oct 30, 20251.951.981.891.921.92-2.54%46,396
Oct 29, 20252.032.051.921.971.97-3.43%19,444
Oct 28, 20252.072.122.042.042.04-2.86%23,418
Oct 27, 20252.112.212.062.102.10-0.94%17,664
Oct 24, 20252.112.192.102.122.12-0.47%22,269
Oct 23, 20252.042.162.032.132.132.40%34,416
Oct 22, 20252.152.162.062.082.08-3.70%61,029
Oct 21, 20252.242.242.152.162.16-1.82%23,917
Oct 20, 20252.222.272.182.202.20-1.79%48,924
Oct 17, 20252.302.312.212.242.24-0.44%26,837
Oct 16, 20252.372.462.212.252.25-5.06%116,297
Oct 15, 20252.352.452.352.372.37-29,084
Oct 14, 20252.322.452.232.372.373.04%102,917
Oct 13, 20252.322.402.282.302.30-1.29%28,867
Oct 10, 20252.472.502.262.332.33-5.67%81,871
Oct 9, 20252.512.542.402.472.47-1.98%42,140
Oct 8, 20252.522.562.412.522.52-1.18%80,522
Oct 7, 20252.382.592.382.552.556.69%136,728
Oct 6, 20252.172.492.172.392.39-4.40%184,512
Oct 3, 20252.492.592.402.502.500.81%59,041
Oct 2, 20252.402.552.312.482.484.64%82,979
Oct 1, 20252.202.432.202.372.373.04%124,383
Sep 30, 20252.262.342.242.302.30-1.71%95,919
Sep 29, 20252.262.502.162.342.34-3.31%151,984
Sep 26, 20252.752.752.332.422.42-11.36%190,712
Sep 25, 20252.802.832.502.732.73-16.00%501,772
Sep 24, 20253.553.763.023.253.257.62%14,450,199
Sep 23, 20252.833.172.703.023.02-0.66%5,255,175
Sep 22, 20252.383.072.303.043.0427.73%108,236
Sep 19, 20252.362.502.342.382.381.71%16,109
Sep 18, 20252.372.402.332.342.340.43%9,280
Sep 17, 20252.522.522.302.332.33-4.74%16,254
Sep 16, 20252.532.592.362.452.453.64%17,719
Sep 15, 20252.462.582.362.362.36-4.07%18,303
Sep 12, 20252.552.552.402.462.46-3.53%24,259
Sep 11, 20252.482.552.412.552.557.91%25,697
Sep 10, 20252.592.612.362.362.36-9.12%63,985
Sep 9, 20252.302.622.302.602.6015.04%34,547
Sep 8, 20252.312.312.132.262.262.03%26,034
Sep 5, 20252.402.432.162.222.22-7.32%29,382
Sep 4, 20252.372.432.342.392.39-1.44%14,719
Sep 3, 20252.502.592.362.432.43-3.39%17,031
Sep 2, 20252.452.572.412.512.511.62%8,180
Aug 29, 20252.602.722.452.472.47-3.93%8,061
Aug 28, 20252.632.742.502.572.570.04%65,277
Aug 27, 20252.852.882.452.572.57-6.88%36,922
Aug 26, 20252.612.902.612.762.768.45%51,862
Aug 25, 20252.452.592.342.552.552.21%12,916
Aug 22, 20252.342.552.332.492.494.62%9,342
Aug 21, 20252.342.522.332.382.38-18,540
Aug 20, 20252.382.402.302.382.381.71%10,028
Aug 19, 20252.502.592.322.342.34-7.87%17,044
Aug 18, 20252.442.552.362.542.547.86%14,931
Aug 15, 20252.342.442.302.362.361.07%29,818
Aug 14, 20252.422.562.282.332.33-5.67%21,098
Aug 13, 20252.402.562.372.472.472.92%25,123
Aug 12, 20252.172.432.162.402.4010.60%49,761
Aug 11, 20252.312.372.102.172.17-5.28%13,447
Aug 8, 20252.332.412.292.292.29-2.72%11,514
Aug 7, 20252.322.392.322.362.36-1.46%24,381
Aug 6, 20252.702.702.362.392.39-17.30%60,397
Aug 5, 20252.512.892.512.892.893.73%70,971
Aug 4, 20252.552.892.552.792.797.40%36,218
Aug 1, 20252.652.752.552.592.59-2.11%21,469
Jul 31, 20252.572.752.512.652.650.38%80,088
Jul 30, 20252.652.782.572.642.64-3.30%39,863
Jul 29, 20252.732.952.602.732.73-1.80%43,943
Jul 28, 20252.882.932.752.782.78-2.80%41,176
Jul 25, 20253.013.082.802.862.86-5.30%62,730
Jul 24, 20253.013.142.903.023.020.67%79,699
Jul 23, 20253.203.252.953.003.00-5.96%90,124
Jul 22, 20253.463.603.113.193.19-5.34%75,711
Jul 21, 20253.543.663.163.373.37-4.80%151,213
Jul 18, 20253.203.703.163.543.5417.22%145,846
Jul 17, 20252.973.152.973.023.02-0.98%18,291