Kirby (KEX) Stock Chart & Stock Price History $99.72 -0.57 (-0.57%) Closing price 08/8/2025 03:59 PM EasternExtended Trading$99.98 +0.25 (+0.26%) As of 08/8/2025 06:27 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Kirby Stock Price Performance The Kirby (KEX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 14.53%, with a year-to-date return of -5.75%. In the past month, the stock has decreased 14.40%, reflecting recent market activity. As of the latest close, Kirby traded at $99.72 with a market cap of $5.59 billion and volume of 676,505 shares. Five years ago, the stock traded at $46.27, representing a 115.52% increase over that period. At the time, it had a market cap of $2.76 billion and a volume of 672,173 shares. Receive KEX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kirby and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+0.67%1 Month Performance-14.40%3 Month Performance-3.89%Year-To-Date Performance-5.75%1 Year Performance-14.53%5 Year Performance+115.52% KEX Stock Chart for Saturday, August, 9, 2025 KEX Chart by TradingView Kirby 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 Capitalization08/08/2025$100.40$99.72-0.68%$100.65$99.01676,505 shs$5.59 billion08/07/2025$100.81$100.40-0.41%$102.19$99.97683,797 shs$5.63 billion08/06/2025$102.21$100.81-1.37%$102.89$99.84863,189 shs$5.66 billion08/05/2025$99.06$102.21+3.18%$102.48$98.43924,534 shs$5.73 billion08/04/2025$95.50$99.06+3.73%$99.66$96.411.36 million shs$5.56 billion08/01/2025$95.34$95.50+0.17%$96.01$93.011.66 million shs$5.36 billion07/31/2025$120.00$95.34-20.55%$112.00$92.543.97 million shs$5.35 billion07/30/2025$120.03$120.00-0.03%$121.29$119.16735,071 shs$6.73 billion07/29/2025$120.78$120.03-0.62%$122.50$119.87580,205 shs$6.73 billion07/28/2025$118.36$120.78+2.05%$120.90$118.08549,896 shs$6.78 billion Get the Latest News and Ratings for KEX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Kirby and its competitors with MarketBeat's FREE daily newsletter. 07/25/2025$115.95$118.36+2.08%$118.54$116.10360,277 shs$6.64 billion07/24/2025$117.02$115.95-0.92%$116.85$115.58355,312 shs$6.50 billion07/23/2025$115.09$117.02+1.68%$117.49$115.12322,186 shs$6.56 billion07/22/2025$115.90$115.09-0.70%$116.83$114.97327,219 shs$6.46 billion07/21/2025$115.74$115.90+0.14%$117.49$115.55536,213 shs$6.50 billion07/18/2025$115.64$115.74+0.09%$116.65$114.15759,674 shs$6.49 billion07/17/2025$113.56$115.64+1.83%$116.94$113.18587,339 shs$6.49 billion07/16/2025$115.20$113.56-1.43%$115.54$112.83514,034 shs$6.37 billion07/15/2025$117.10$115.20-1.62%$117.42$115.14250,593 shs$6.46 billion07/14/2025$116.96$117.10+0.12%$117.66$115.37325,449 shs$6.57 billion07/11/2025$117.17$116.96-0.18%$117.49$115.75400,072 shs$6.56 billion07/10/2025$116.49$117.17+0.58%$118.70$115.76475,021 shs$6.57 billion07/09/2025$117.13$116.49-0.55%$117.85$115.43361,918 shs$6.54 billion07/08/2025$115.51$117.13+1.40%$117.90$115.77364,317 shs$6.57 billion Related Companies AROC Stock Chart DOV Stock Chart HAL Stock Chart ITT Stock Chart OKE Stock Chart PH Stock Chart TRGP Stock Chart MATX Stock Chart FRO Stock Chart HAFN Stock Chart Receive KEX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kirby and its competitors with MarketBeat's FREE daily newsletter. 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