Compass Minerals International (CMP) Stock Chart & Stock Price History $18.30 -1.23 (-6.30%) Closing price 03:59 PM EasternExtended Trading$18.52 +0.22 (+1.22%) As of 04:12 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 AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Compass Minerals International Stock Price Performance The Compass Minerals International (CMP) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 36.72%, with a year-to-date return of 62.36%. In the past month, the stock has increased 0.53%, reflecting recent market activity. As of the latest close, Compass Minerals International traded at $19.55 with a market cap of $814.96 million and volume of 279,512 shares. Five years ago, the stock traded at $61.59, representing a 70.34% decrease over that period. At the time, it had a market cap of $2.09 billion and a volume of 131,380 shares. Receive CMP Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Compass Minerals International and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Read our full terms of service and privacy policy. 5 Day Performance-0.02%1 Month Performance+0.53%3 Month Performance-15.47%Year-To-Date Performance+62.36%1 Year Performance+36.72%5 Year Performance-70.34% CMP Stock Chart for Thursday, October, 16, 2025 CMP Chart by TradingView Compass Minerals 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 Capitalization10/15/2025$19.94$19.55-1.97%$20.30$19.23279,512 shs$814.96 million10/14/2025$19.18$19.94+3.96%$20.05$18.75435,416 shs$831.30 million10/13/2025$18.27$19.18+4.98%$19.30$18.69372,026 shs$799.60 million10/10/2025$19.64$18.27-6.95%$19.73$18.21508,548 shs$761.66 million10/09/2025$19.36$19.64+1.42%$19.78$19.13415,236 shs$818.58 million10/08/2025$18.99$19.36+1.93%$19.37$18.78334,553 shs$807.12 million10/07/2025$18.61$18.99+2.06%$19.13$18.48331,279 shs$791.80 million10/06/2025$18.76$18.61-0.77%$19.13$18.27364,815 shs$775.85 million10/03/2025$19.43$18.76-3.46%$19.82$18.73208,335 shs$781.90 million10/02/2025$19.81$19.43-1.91%$20.05$19.23439,232 shs$809.95 million Get the Latest News and Ratings for CMP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Compass Minerals International and its competitors with MarketBeat's FREE daily newsletter. 10/01/2025$19.18$19.81+3.26%$20.39$19.15588,537 shs$825.69 million09/30/2025$19.33$19.18-0.78%$19.59$18.92632,007 shs$799.61 million09/29/2025$19.41$19.33-0.41%$19.59$19.00335,610 shs$805.87 million09/26/2025$18.93$19.41+2.56%$19.49$18.62381,365 shs$809.20 million09/25/2025$19.02$18.93-0.52%$19.61$18.68457,340 shs$788.96 million09/24/2025$18.54$19.02+2.62%$19.72$18.42415,640 shs$793.07 million09/23/2025$18.23$18.54+1.69%$18.62$18.22294,258 shs$772.85 million09/22/2025$18.03$18.23+1.11%$18.50$17.81330,366 shs$759.99 million09/19/2025$18.07$18.03-0.23%$18.28$17.841.26 million shs$751.65 million09/18/2025$17.89$18.07+1.01%$18.20$17.67382,816 shs$753.42 million09/17/2025$18.17$17.89-1.53%$18.69$17.88342,534 shs$745.92 million09/16/2025$18.39$18.17-1.21%$18.57$18.16296,524 shs$757.49 million09/15/2025$18.10$18.39+1.61%$18.65$17.90367,617 shs$766.76 million Related Companies MTRN Stock Price Chart GSM Stock Price Chart SXC Stock Price Chart SCCO Stock Price Chart FCX Stock Price Chart MEOH Stock Price Chart AVNT Stock Price Chart OLN Stock Price Chart CC Stock Price Chart IOSP Stock Price Chart Receive CMP Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Compass Minerals International and its competitors with MarketBeat's FREE daily newsletter. 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