CYSM Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 28, 2026	19.00	19.00	19.00	19.00	19.00	1.44%	540
May 27, 2026	18.74	18.74	18.73	18.73	18.73	0.43%	350
May 26, 2026	18.66	18.66	18.65	18.65	18.65	-0.48%	691
May 22, 2026	18.90	18.90	18.74	18.74	18.74	-1.37%	3,500
May 21, 2026	19.29	19.29	19.00	19.00	19.00	-1.81%	5,100
May 20, 2026	19.38	19.38	19.35	19.35	19.35	-0.26%	4,100
May 19, 2026	19.60	19.60	19.40	19.40	19.40	-1.77%	11,040
May 18, 2026	19.66	19.90	19.65	19.75	19.75	-1.25%	11,971
May 15, 2026	20.00	20.00	19.65	20.00	20.00	-2.44%	673
May 14, 2026	20.50	20.50	20.50	20.50	20.50	5.13%	225
May 13, 2026	19.57	19.57	19.50	19.50	19.50	-0.26%	900
May 12, 2026	19.85	19.85	19.55	19.55	19.55	-2.69%	1,050
May 8, 2026	20.15	20.15	20.09	20.09	20.09	-0.54%	630
May 5, 2026	19.50	20.20	19.50	20.20	20.20	1.05%	15,132
May 1, 2026	20.03	20.03	19.02	19.99	19.99	-1.67%	2,200
Apr 24, 2026	20.33	20.33	20.33	20.33	20.33	-	793
Apr 21, 2026	20.00	20.33	20.00	20.33	20.33	0.49%	200
Apr 15, 2026	19.00	20.23	19.00	20.23	20.23	-0.54%	225
Apr 10, 2026	19.90	20.34	18.92	20.34	20.34	1.19%	2,100
Apr 7, 2026	20.10	20.10	20.10	20.10	20.10	0.50%	200
Apr 6, 2026	19.87	20.00	19.87	20.00	20.00	-0.53%	220
Mar 31, 2026	19.45	20.11	19.45	20.11	20.11	3.38%	23,800
Mar 27, 2026	19.45	19.45	19.45	19.45	19.45	-1.52%	100
Mar 26, 2026	20.00	20.00	19.75	19.75	19.75	9.72%	9,650
Mar 24, 2026	18.00	18.00	18.00	18.00	18.00	-2.44%	250
Mar 23, 2026	18.45	18.45	18.45	18.45	18.45	2.50%	4,820
Mar 17, 2026	18.00	18.00	18.00	18.00	18.00	-2.30%	100
Mar 11, 2026	18.35	18.42	18.35	18.42	18.42	-0.68%	950
Mar 2, 2026	18.55	18.55	18.55	18.55	18.55	-	2,255
Feb 24, 2026	18.55	18.55	18.55	18.55	18.55	-0.16%	3,000
Feb 18, 2026	18.58	18.58	18.58	18.58	18.58	0.43%	100
Feb 10, 2026	18.00	18.50	17.75	18.50	18.50	-	3,428
Feb 9, 2026	18.50	18.50	18.50	18.50	18.50	4.52%	101
Jan 21, 2026	17.70	17.70	17.70	17.70	17.70	-1.67%	7,075
Jan 12, 2026	18.00	18.00	18.00	18.00	18.00	-	2,000
Jan 9, 2026	18.00	18.00	18.00	18.00	18.00	-	2,700
Jan 8, 2026	17.97	18.00	17.97	18.00	18.00	2.86%	650
Jan 7, 2026	17.50	17.50	17.50	17.50	17.50	-1.13%	600
Jan 2, 2026	17.70	17.70	17.70	17.70	17.70	-0.17%	454
Dec 26, 2025	17.73	17.73	17.73	17.73	17.73	-2.80%	15,763
Dec 19, 2025	17.50	18.24	17.50	18.24	18.24	-1.35%	1,046
Dec 18, 2025	18.58	18.58	18.49	18.49	18.49	4.29%	308
Dec 17, 2025	17.73	17.73	17.73	17.73	17.73	-1.50%	15,000
Dec 12, 2025	17.15	18.00	17.15	18.00	18.00	-	456
Dec 11, 2025	17.99	18.00	17.99	18.00	18.00	6.51%	408
Dec 10, 2025	16.90	16.90	16.90	16.90	16.90	0.06%	300
Dec 9, 2025	16.89	16.89	16.89	16.89	16.89	3.58%	120
Dec 5, 2025	15.75	16.42	15.75	16.31	16.31	4.53%	1,000