CompX International (CIX) Stock Chart & Stock Price History $25.45 -0.25 (-0.97%) Closing price 04:00 PM EasternExtended Trading$25.02 -0.43 (-1.67%) As of 04:10 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 AnalysisChartCompetitorsDividendEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock CompX International Stock Price Performance The CompX International (CIX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 8.85%, with a year-to-date return of -2.68%. In the past month, the stock has increased 3.90%, reflecting recent market activity. As of the latest close, CompX International traded at $25.70 with a market cap of $316.70 million and volume of 4,139 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-5.95%1 Month Performance+3.90%3 Month Performance-5.11%Year-To-Date Performance-2.68%1 Year Performance-8.85% CIX Stock Chart for Wednesday, August, 27, 2025 CIX Chart by TradingView CompX International 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 Capitalization08/26/2025$25.76$25.70-0.23%$26.49$25.704,139 shs$316.70 million08/25/2025$27.06$25.76-4.80%$27.07$25.763,024 shs$317.44 million08/22/2025$25.59$27.06+5.74%$27.06$25.337,867 shs$333.46 million08/21/2025$27.05$25.59-5.40%$26.63$25.597,505 shs$315.35 million08/20/2025$27.41$27.05-1.31%$28.01$26.8311,207 shs$333.34 million08/19/2025$30.76$27.41-10.89%$31.24$27.4132,615 shs$337.77 million08/18/2025$31.60$30.76-2.66%$31.69$29.706,568 shs$379.06 million08/15/2025$31.27$31.60+1.06%$31.98$30.3831,048 shs$389.28 million08/14/2025$31.49$31.27-0.70%$31.80$30.4714,929 shs$385.22 million08/13/2025$30.06$31.49+4.76%$31.86$30.627,483 shs$387.93 million Get the Latest News and Ratings for CIX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for CompX International and its competitors with MarketBeat's FREE daily newsletter. 08/12/2025$29.47$30.06+2.00%$32.30$28.6513,590 shs$370.31 million08/11/2025$27.01$29.47+9.11%$29.47$27.0812,423 shs$363.04 million08/08/2025$27.50$27.01-1.78%$28.00$26.618,090 shs$332.74 million08/07/2025$26.66$27.50+3.15%$27.50$26.607,438 shs$338.77 million08/06/2025$22.97$26.66+16.06%$28.22$24.5023,485 shs$328.43 million08/05/2025$22.77$22.97+0.88%$24.31$22.979,532 shs$282.97 million08/04/2025$22.26$22.77+2.29%$22.77$22.511,428 shs$280.50 million08/01/2025$23.30$22.26-4.46%$23.80$22.261,967 shs$274.22 million07/31/2025$23.80$23.30-2.10%$24.28$22.752,044 shs$287.03 million07/30/2025$23.16$23.80+2.76%$23.97$23.197,522 shs$293.19 million07/29/2025$24.63$23.16-5.97%$24.40$23.0110,766 shs$285.31 million07/28/2025$24.50$24.63+0.55%$24.96$24.631,797 shs$303.42 million Related Companies Janus International Group Stock Price Chart Loma Negra Compania Industrial Argentina Stock Price Chart Legacy Housing Stock Price Chart Cementos Pacasmayo S.A.A. Stock Price Chart JELD-WEN Stock Price Chart Smith-Midland Stock Price Chart ZJK Industrial Stock Price Chart Babcock Stock Price Chart Acme United Stock Price Chart Mingteng International Stock Price Chart Receive CIX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for CompX International and its competitors with MarketBeat's FREE daily newsletter. This page (NYSE:CIX) was last updated on 8/27/2025 by MarketBeat.com Staff From Our PartnersMusk’s Project Colossus could mint millionairesI predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new milliona...Brownstone Research | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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