Compass Minerals International (CMP) Stock Chart & Stock Price History $19.03 -0.02 (-0.10%) Closing price 09/2/2025 03:59 PM EasternExtended Trading$19.18 +0.15 (+0.79%) As of 04:29 AM 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 133.78%, with a year-to-date return of 69.16%. In the past month, the stock has decreased 3.79%, reflecting recent market activity. As of the latest close, Compass Minerals International traded at $19.03 with a market cap of $793.36 million and volume of 294,942 shares. Five years ago, the stock traded at $57.08, representing a 66.66% decrease over that period. At the time, it had a market cap of $1.96 billion and a volume of 206,200 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-0.17%1 Month Performance-3.79%3 Month Performance-1.25%Year-To-Date Performance+69.16%1 Year Performance+133.78%5 Year Performance-66.66% CMP Stock Chart for Wednesday, September, 3, 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 Capitalization09/02/2025$19.06$19.03-0.17%$19.22$18.65294,942 shs$793.36 million09/01/2025$19.06$19.06$19.53$18.89320,243 shs$794.72 million08/29/2025$19.26$19.06-1.00%$19.53$18.89320,243 shs$794.72 million08/28/2025$19.07$19.26+0.98%$19.28$18.89291,772 shs$802.78 million08/27/2025$19.72$19.07-3.32%$19.41$19.01365,543 shs$794.99 million08/26/2025$19.85$19.72-0.64%$20.11$19.58365,715 shs$822.27 million08/25/2025$19.47$19.85+1.94%$19.90$19.31344,945 shs$827.63 million08/22/2025$19.10$19.47+1.96%$19.82$18.98425,394 shs$811.87 million08/21/2025$18.82$19.10+1.48%$19.13$18.78218,041 shs$796.28 million08/20/2025$18.87$18.82-0.26%$19.09$18.62317,615 shs$784.63 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. 08/19/2025$19.09$18.87-1.15%$19.18$18.51399,323 shs$786.69 million08/18/2025$18.98$19.09+0.58%$19.56$18.59392,656 shs$795.86 million08/15/2025$18.83$18.98+0.80%$19.02$18.37544,549 shs$791.28 million08/14/2025$19.19$18.83-1.88%$19.08$18.34553,545 shs$785.02 million08/13/2025$19.26$19.19-0.34%$19.43$18.02868,928 shs$796.39 million08/12/2025$21.57$19.26-10.73%$21.38$17.951.07 million shs$799.08 million08/11/2025$21.35$21.57+1.01%$21.58$20.95636,310 shs$895.16 million08/08/2025$20.69$21.35+3.21%$21.44$20.61448,498 shs$886.19 million08/07/2025$20.40$20.69+1.42%$20.75$20.38328,195 shs$858.72 million08/06/2025$20.38$20.40+0.10%$20.55$20.09356,225 shs$846.64 million08/05/2025$20.05$20.38+1.64%$20.41$19.97296,354 shs$845.77 million08/04/2025$19.78$20.05+1.38%$20.09$19.67283,627 shs$832.24 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 OLN Stock Price Chart CC Stock Price Chart IOSP Stock Price Chart HUN 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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