C3is (CISS) Stock Chart & Stock Price History $3.03 -0.03 (-0.98%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$3.04 +0.01 (+0.17%) As of 08/22/2025 07:59 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock C3is Stock Price Performance The C3is (CISS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 85.20%, with a year-to-date return of -64.61%. In the past month, the stock has decreased 13.68%, reflecting recent market activity. As of the latest close, C3is traded at $3.03 with a market cap of $2.15 million and volume of 43,118 shares. 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Email Address 5 Day Performance-8.18%1 Month Performance-13.68%3 Month Performance-17.89%Year-To-Date Performance-64.61%1 Year Performance-85.20% CISS Stock Chart for Saturday, August, 23, 2025 CISS Chart by TradingView C3is Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/22/2025$3.06$3.03-0.98%$3.19$3.0243,118 shs$2.15 million08/21/2025$3.47$3.06-11.82%$3.39$2.88163,087 shs$2.17 million08/20/2025$3.45$3.47+0.58%$3.62$3.12158,522 shs$2.45 million08/19/2025$3.30$3.45+4.55%$3.80$3.164.38 million shs$2.45 million08/18/2025$3.30$3.30$3.32$3.248,197 shs$2.34 million08/15/2025$3.21$3.30+2.80%$3.37$3.2213,528 shs$2.34 million08/14/2025$3.23$3.21-0.62%$3.27$3.1424,570 shs$2.28 million08/13/2025$3.19$3.23+1.25%$3.28$3.156,408 shs$2.28 million08/12/2025$3.11$3.19+2.57%$3.36$3.1180,416 shs$2.27 million08/11/2025$3.20$3.11-2.81%$3.20$3.1024,989 shs$2.21 million Get the Latest News and Ratings for CISS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for C3is and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$3.41$3.20-6.16%$3.45$3.1729,904 shs$2.27 million08/07/2025$3.47$3.41-1.70%$3.53$3.409,778 shs$2.41 million08/06/2025$3.33$3.47+4.17%$3.73$3.2561,184 shs$2.46 million08/05/2025$3.16$3.33+5.38%$3.47$3.1632,146 shs$2.36 million08/04/2025$3.17$3.16-0.32%$3.33$3.1516,241 shs$2.23 million08/01/2025$3.20$3.17-0.94%$3.22$3.1523,014 shs$2.24 million07/31/2025$3.22$3.20-0.62%$3.24$3.1524,270 shs$2.27 million07/30/2025$3.22$3.22$3.25$3.1610,123 shs$2.29 million07/29/2025$3.31$3.22-2.72%$3.34$3.2015,472 shs$2.28 million07/28/2025$3.35$3.31-1.19%$3.38$3.2720,167 shs$2.35 million07/25/2025$3.51$3.35-4.56%$3.40$3.3014,946 shs$2.38 million07/24/2025$3.51$3.51$3.57$3.4414,636 shs$2.49 million07/23/2025$3.64$3.51-3.57%$3.67$3.4329,195 shs$2.49 million07/22/2025$3.69$3.64-1.36%$3.76$3.5833,798 shs$2.58 million Related Companies Jet.AI Stock Chart Lakeside Stock Chart Singularity Future Technology Stock Chart SQZ Biotechnologies Stock Chart OceanPal Stock Chart Globavend Stock Chart USD Partners Stock Chart Air T Stock Chart Blade Air Mobility Stock Chart Brookfield Real Assets Income Fund Stock Chart Receive CISS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for C3is and its competitors with MarketBeat's FREE daily newsletter. 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