Knife River (KNF) Stock Chart & Stock Price History $87.46 -2.54 (-2.82%) Closing price 03:59 PM EasternExtended Trading$87.40 -0.05 (-0.06%) As of 06:14 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 Knife River Stock Price Performance The Knife River (KNF) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 15.94%, with a year-to-date return of -13.96%. In the past month, the stock has increased 8.49%, reflecting recent market activity. As of the latest close, Knife River traded at $90.06 with a market cap of $5.10 billion and volume of 640,561 shares. 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Email Address 5 Day Performance-7.66%1 Month Performance+8.49%3 Month Performance-13.25%Year-To-Date Performance-13.96%1 Year Performance+15.94% KNF Stock Chart for Monday, August, 18, 2025 KNF Chart by TradingView Knife River 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 Capitalization08/15/2025$90.99$90.06-1.02%$91.43$88.89640,561 shs$5.10 billion08/14/2025$94.71$90.99-3.93%$93.65$90.56722,589 shs$5.16 billion08/13/2025$92.97$94.71+1.87%$94.73$91.84770,538 shs$5.37 billion08/12/2025$88.37$92.97+5.21%$93.18$88.17665,145 shs$5.27 billion08/11/2025$88.04$88.37+0.37%$89.03$87.34641,863 shs$5.01 billion08/08/2025$87.67$88.04+0.43%$88.93$87.09506,953 shs$4.99 billion08/07/2025$87.18$87.67+0.55%$89.51$86.98917,084 shs$4.97 billion08/06/2025$86.19$87.18+1.15%$88.38$84.61907,838 shs$4.94 billion08/05/2025$84.53$86.19+1.96%$88.12$78.552.05 million shs$4.88 billion08/04/2025$83.42$84.53+1.33%$85.32$82.27968,160 shs$4.79 billion Get the Latest News and Ratings for KNF and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Knife River and its competitors with MarketBeat's FREE daily newsletter. 08/01/2025$82.47$83.42+1.15%$83.52$80.09919,001 shs$4.73 billion07/31/2025$82.86$82.47-0.47%$83.14$81.01776,535 shs$4.67 billion07/30/2025$81.60$82.86+1.54%$83.12$81.671.16 million shs$4.69 billion07/29/2025$82.03$81.60-0.52%$82.92$80.36810,488 shs$4.62 billion07/28/2025$82.16$82.03-0.16%$82.44$80.90480,689 shs$4.65 billion07/25/2025$81.44$82.16+0.88%$82.65$81.74350,827 shs$4.65 billion07/24/2025$82.01$81.44-0.69%$82.80$80.53447,741 shs$4.61 billion07/23/2025$81.31$82.01+0.86%$82.44$81.59355,488 shs$4.65 billion07/22/2025$80.99$81.31+0.40%$81.98$79.83807,444 shs$4.61 billion07/21/2025$80.61$80.99+0.47%$82.14$80.55543,681 shs$4.59 billion07/18/2025$79.45$80.61+1.47%$81.24$79.39657,451 shs$4.57 billion07/17/2025$76.56$79.45+3.77%$79.52$76.01487,010 shs$4.50 billion Related Companies Applied Industrial Technologies Stock Price Chart CRH Stock Price Chart Eaton Stock Price Chart Eagle Materials Stock Price Chart ITT Stock Price Chart Martin Marietta Materials Stock Price Chart nVent Electric Stock Price Chart Parker-Hannifin Stock Price Chart Vulcan Materials Stock Price Chart Teck Resources Stock Price Chart Receive KNF Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Knife River and its competitors with MarketBeat's FREE daily newsletter. 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