Cyclerion Therapeutics, Inc. - CYCN - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 17, 2025	2.3	2.24	2.24	2.31	2.21	26,721
October 16, 2025	2.37	2.25	2.25	2.46	2.21	116,300
October 15, 2025	2.35	2.37	2.37	2.44	2.35	29,100
October 14, 2025	2.32	2.37	2.37	2.45	2.23	102,917
October 13, 2025	2.32	2.3	2.3	2.4	2.28	28,900
October 10, 2025	2.47	2.33	2.33	2.5	2.26	81,871
October 09, 2025	2.51	2.47	2.47	2.54	2.4	42,140
October 08, 2025	2.52	2.52	2.52	2.56	2.41	80,522
October 07, 2025	2.38	2.55	2.55	2.59	2.38	136,728
October 06, 2025	2.17	2.39	2.39	2.49	2.17	184,512
October 03, 2025	2.49	2.5	2.5	2.59	2.4	59,041
October 02, 2025	2.4	2.48	2.48	2.55	2.31	82,979
October 01, 2025	2.2	2.37	2.37	2.43	2.2	124,383
September 30, 2025	2.26	2.3	2.3	2.34	2.24	95,919
September 29, 2025	2.26	2.34	2.34	2.5	2.16	152,000
September 26, 2025	2.75	2.42	2.42	2.75	2.33	190,712
September 25, 2025	2.77	2.73	2.73	2.83	2.5	488,820
September 24, 2025	3.55	3.25	3.25	3.76	3.02	14.45M
September 23, 2025	2.83	3.02	3.02	3.17	2.7	5.26M
September 22, 2025	2.38	3.04	3.04	3.07	2.3	108,236
September 19, 2025	2.36	2.38	2.38	2.5	2.34	16,109
September 18, 2025	2.37	2.34	2.34	2.4	2.33	9,300
September 17, 2025	2.52	2.33	2.33	2.52	2.3	16,100
September 16, 2025	2.53	2.45	2.45	2.59	2.36	17,719
September 15, 2025	2.46	2.36	2.36	2.58	2.36	18,303
September 12, 2025	2.55	2.46	2.46	2.55	2.4	24,300
September 11, 2025	2.48	2.55	2.55	2.55	2.41	25,700
September 10, 2025	2.59	2.36	2.36	2.61	2.36	64,000
September 09, 2025	2.3	2.6	2.6	2.62	2.3	34,547
September 08, 2025	2.31	2.26	2.26	2.31	2.13	26,034
September 05, 2025	2.4	2.22	2.22	2.43	2.16	29,376
September 04, 2025	2.37	2.39	2.39	2.43	2.34	14,719
September 03, 2025	2.5	2.42	2.42	2.59	2.36	17,031
September 02, 2025	2.45	2.51	2.51	2.57	2.41	8,180
August 29, 2025	2.6	2.47	2.47	2.72	2.45	8,100
August 28, 2025	2.63	2.57	2.57	2.74	2.5	65,418
August 27, 2025	2.85	2.57	2.57	2.88	2.45	36,922
August 26, 2025	2.61	2.76	2.76	2.9	2.61	51,900
August 25, 2025	2.45	2.55	2.55	2.59	2.34	12,916
August 22, 2025	2.34	2.49	2.49	2.55	2.33	9,342
August 21, 2025	2.34	2.38	2.38	2.52	2.33	18,540
August 20, 2025	2.38	2.38	2.38	2.4	2.3	10,028
August 19, 2025	2.5	2.34	2.34	2.59	2.32	17,044
August 18, 2025	2.44	2.54	2.54	2.55	2.36	14,931
August 15, 2025	2.34	2.36	2.36	2.44	2.3	29,818
August 14, 2025	2.42	2.33	2.33	2.56	2.28	21,100
August 13, 2025	2.4	2.47	2.47	2.56	2.37	25,123
August 12, 2025	2.17	2.4	2.4	2.43	2.16	49,761
August 11, 2025	2.31	2.17	2.17	2.37	2.1	13,447
August 08, 2025	2.33	2.29	2.29	2.4	2.29	11,514
August 07, 2025	2.32	2.36	2.36	2.39	2.32	24,400
August 06, 2025	2.7	2.39	2.39	2.7	2.36	60,400
August 05, 2025	2.51	2.89	2.89	2.89	2.51	70,971
August 04, 2025	2.55	2.79	2.79	2.89	2.55	36,713
August 01, 2025	2.65	2.59	2.59	2.75	2.55	21,469
July 31, 2025	2.57	2.65	2.65	2.75	2.51	80,088
July 30, 2025	2.78	2.64	2.64	2.78	2.57	39,600
July 29, 2025	2.73	2.73	2.73	2.95	2.6	43,943
July 28, 2025	2.88	2.78	2.78	2.93	2.75	41,176
July 25, 2025	3.01	2.86	2.86	3.08	2.8	62,730

Cyclerion Therapeutics, Inc. (CYCN) NASDAQ