Compass Minerals International (CMP) Stock Chart & Stock Price History $19.26 -2.25 (-10.44%) Closing price 03:59 PM EasternExtended Trading$19.22 -0.04 (-0.21%) As of 04:41 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 89.70%, with a year-to-date return of 71.16%. In the past month, the stock has decreased 14.23%, reflecting recent market activity. As of the latest close, Compass Minerals International traded at $21.57 with a market cap of $895.16 million and volume of 636,310 shares. Five years ago, the stock traded at $59.67, representing a 67.73% decrease over that period. At the time, it had a market cap of $2.04 billion and a volume of 263,500 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. Email Address 5 Day Performance-6.94%1 Month Performance-14.23%3 Month Performance-1.28%Year-To-Date Performance+71.16%1 Year Performance+89.70%5 Year Performance-67.73% CMP Stock Chart for Tuesday, August, 12, 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 Capitalization08/11/2025$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 million08/01/2025$19.91$19.78-0.67%$20.28$19.49329,455 shs$820.95 million07/31/2025$19.71$19.91+1.04%$19.95$19.25348,721 shs$826.43 million07/30/2025$20.20$19.71-2.43%$20.34$19.58444,561 shs$817.97 million07/29/2025$20.42$20.20-1.08%$20.67$19.86354,991 shs$838.38 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. 07/28/2025$20.42$20.42+0.02%$20.50$19.88445,459 shs$847.43 million07/25/2025$21.02$20.42-2.86%$21.21$20.37369,147 shs$847.22 million07/24/2025$21.49$21.02-2.19%$21.36$20.98282,383 shs$872.12 million07/23/2025$21.20$21.49+1.33%$21.52$21.09461,941 shs$891.71 million07/22/2025$21.16$21.20+0.21%$21.64$21.18377,824 shs$879.97 million07/21/2025$20.53$21.16+3.07%$21.72$20.79397,961 shs$878.14 million07/18/2025$20.74$20.53-0.99%$20.92$20.31557,060 shs$852.00 million07/17/2025$21.61$20.74-4.05%$21.44$20.63724,421 shs$860.50 million07/16/2025$21.84$21.61-1.05%$22.24$21.53451,975 shs$896.90 million07/15/2025$22.01$21.84-0.77%$22.17$21.64540,131 shs$906.36 million07/14/2025$22.45$22.01-1.96%$22.53$21.46395,828 shs$913.42 million07/11/2025$22.42$22.45+0.13%$22.69$22.00671,248 shs$931.68 million Related Companies MTRN Stock Price Chart GSM Stock Price Chart SXC Stock Price Chart SCCO Stock Price Chart FCX Stock Price Chart AVNT Stock Price Chart MEOH Stock Price Chart OLN Stock Price Chart IOSP Stock Price Chart CC 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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