Innospec (IOSP) Stock Chart & Stock Price History $88.99 +0.15 (+0.17%) As of 11:14 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Innospec Stock Price Performance The Innospec (IOSP) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 28.75%, with a year-to-date return of -19.14%. In the past month, the stock has decreased 1.64%, reflecting recent market activity. As of the latest close, Innospec traded at $88.84 with a market cap of $2.22 billion and volume of 342,170 shares. Five years ago, the stock traded at $80.85, representing a 10.07% increase over that period. At the time, it had a market cap of $2.06 billion and a volume of 59,300 shares. 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Email Address 5 Day Performance+3.32%1 Month Performance-1.64%3 Month Performance-10.86%Year-To-Date Performance-19.14%1 Year Performance-28.75%5 Year Performance+10.07% IOSP Stock Chart for Wednesday, June, 11, 2025 IOSP Chart by TradingView Innospec 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 Capitalization06/10/2025$87.52$88.84+1.51%$89.50$87.79342,170 shs$2.22 billion06/09/2025$86.13$87.52+1.61%$88.22$86.84262,116 shs$2.18 billion06/06/2025$85.29$86.13+0.98%$86.74$85.15209,402 shs$2.15 billion06/05/2025$86.16$85.29-1.01%$86.42$85.25148,415 shs$2.13 billion06/04/2025$86.70$86.16-0.62%$87.10$86.00102,490 shs$2.15 billion06/03/2025$85.14$86.70+1.83%$86.84$84.70153,297 shs$2.16 billion06/02/2025$85.33$85.14-0.22%$85.66$84.01173,090 shs$2.13 billion05/30/2025$86.10$85.33-0.89%$85.75$84.70171,896 shs$2.13 billion05/29/2025$85.64$86.10+0.54%$87.75$85.39155,671 shs$2.15 billion05/28/2025$87.85$85.64-2.52%$87.86$85.45143,116 shs$2.14 billion Get the Latest News and Ratings for IOSP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Innospec and its competitors with MarketBeat's FREE daily newsletter. 05/27/2025$85.58$87.85+2.65%$87.94$85.88151,765 shs$2.19 billion05/26/2025$85.58$85.58$86.12$84.46126,310 shs$2.14 billion05/23/2025$86.15$85.58-0.66%$86.12$84.46126,310 shs$2.14 billion05/22/2025$85.96$86.15+0.22%$88.30$85.22191,481 shs$2.15 billion05/21/2025$88.33$85.96-2.68%$88.27$85.83194,377 shs$2.15 billion05/20/2025$89.12$88.33-0.89%$88.82$87.86125,291 shs$2.20 billion05/19/2025$88.99$89.12+0.15%$91.14$87.37148,749 shs$2.22 billion05/16/2025$88.27$88.99+0.82%$89.03$86.85224,351 shs$2.24 billion05/15/2025$87.78$88.27+0.56%$89.51$87.49155,615 shs$2.22 billion05/14/2025$90.45$87.78-2.95%$91.81$87.68204,213 shs$2.21 billion05/13/2025$90.70$90.45-0.28%$91.60$90.20242,331 shs$2.27 billion05/12/2025$90.47$90.70+0.25%$95.55$90.41241,909 shs$2.28 billion Related Companies ALB Stock Price Chart CE Stock Price Chart NEU Stock Price Chart BCPC Stock Price Chart SXT Stock Price Chart FUL Stock Price Chart ASH Stock Price Chart KWR Stock Price Chart MTX Stock Price Chart SCL Stock Price Chart Receive IOSP Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Innospec and its competitors with MarketBeat's FREE daily newsletter. 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