CISS Historical Stock Prices & CSV Downloads

C3is Inc. (CISS), daily historical prices. Prices in USD.
Date	Open	High	Low	Close		Volume
Nov 2, 2026	0.50	0.53	0.48	0.50	0.50	167,019
Oct 30, 2026	0.54	0.56	0.49	0.50	0.50	202,200
Oct 29, 2026	0.49	0.59	0.49	0.54	0.54	448,300
Oct 28, 2026	0.50	0.50	0.47	0.49	0.49	87,400
Oct 27, 2026	0.48	0.50	0.46	0.49	0.49	226,100
Oct 26, 2026	0.51	0.51	0.46	0.49	0.49	301,400
Oct 23, 2026	0.51	0.55	0.49	0.51	0.51	356,100
Oct 22, 2026	0.54	0.54	0.50	0.52	0.52	334,700
Oct 21, 2026	0.55	0.62	0.53	0.54	0.54	1,103,800
Oct 20, 2026	0.54	0.57	0.53	0.57	0.57	264,800
Oct 19, 2026	0.54	0.57	0.53	0.55	0.55	625,800
Oct 16, 2026	0.56	0.58	0.51	0.53	0.53	707,600
Oct 15, 2026	0.55	0.58	0.54	0.56	0.56	448,800
Oct 14, 2026	0.60	0.61	0.52	0.53	0.53	897,900
Oct 13, 2026	0.67	0.74	0.58	0.63	0.63	1,635,000
Oct 12, 2026	0.77	0.77	0.64	0.68	0.68	6,045,900
Oct 9, 2026	0.83	0.83	0.77	0.78	0.78	153,000
Oct 8, 2026	0.78	0.83	0.78	0.82	0.82	177,900
Oct 7, 2026	0.84	0.86	0.80	0.80	0.80	283,500
Oct 6, 2026	0.86	0.90	0.85	0.89	0.89	386,100
Oct 5, 2026	0.87	0.90	0.79	0.86	0.86	446,200
Oct 2, 2026	0.90	0.97	0.82	0.83	0.83	425,700
Oct 1, 2026	0.89	0.90	0.85	0.87	0.87	211,600
Sep 30, 2026	0.95	0.98	0.88	0.89	0.89	223,400
Sep 29, 2026	1.03	1.04	0.89	0.95	0.95	338,300

Historical stock data.