CYS:COS Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 2, 2026	0.31	0.31	0.31	0.31	0.31	-1.90%	400
Aug 25, 2026	0.32	0.32	0.32	0.32	0.32	-	5,500
Aug 24, 2026	0.32	0.32	0.32	0.32	0.32	-1.86%	5,500
Aug 14, 2026	0.32	0.32	0.32	0.32	0.32	-	3,141
Aug 7, 2026	0.32	0.32	0.32	0.32	0.32	-5.29%	1,750
Jul 30, 2026	0.34	0.34	0.34	0.34	0.34	3.03%	17,780
Jul 22, 2026	0.33	0.33	0.33	0.33	0.33	-	2,150
Jul 20, 2026	0.33	0.33	0.33	0.33	0.33	-	2,150
Jul 15, 2026	0.33	0.33	0.33	0.33	0.33	-	9,100
Jul 14, 2026	0.33	0.33	0.33	0.33	0.33	3.77%	10,650
Jul 13, 2026	0.33	0.33	0.32	0.32	0.32	3.25%	6,750
Jul 7, 2026	0.31	0.31	0.31	0.31	0.31	-	1,000
Jul 3, 2026	0.31	0.32	0.31	0.31	0.31	0.56%	22,500
May 27, 2026	0.32	0.32	0.32	0.32	0.31	-	1,600
May 26, 2026	0.32	0.32	0.32	0.32	0.31	5.19%	18,000
May 11, 2026	0.31	0.31	0.31	0.31	0.29	2.67%	2,500
Apr 2, 2026	0.30	0.30	0.30	0.30	0.28	7.14%	1,100
Mar 20, 2026	0.25	0.28	0.25	0.28	0.26	2.94%	800