Montauk Renewables (MNTK) Stock Chart & Stock Price History $2.17 -0.08 (-3.56%) Closing price 04:00 PM EasternExtended Trading$2.17 +0.00 (+0.23%) As of 05:48 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 Montauk Renewables Stock Price Performance The Montauk Renewables (MNTK) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 50.90%, with a year-to-date return of -45.48%. In the past month, the stock has decreased 6.47%, reflecting recent market activity. As of the latest close, Montauk Renewables traded at $2.25 with a market cap of $320.09 million and volume of 710,646 shares. Receive MNTK Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Montauk Renewables and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+9.05%1 Month Performance-6.47%3 Month Performance+13.02%Year-To-Date Performance-45.48%1 Year Performance-50.90% MNTK Stock Chart for Monday, August, 25, 2025 MNTK Chart by TradingView Montauk Renewables 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 Capitalization08/25/2025$2.25$2.17-3.56%$2.22$2.11240,861 shs$308.70 million08/22/2025$2.08$2.25+8.17%$2.26$2.04710,646 shs$320.09 million08/21/2025$1.99$2.08+4.52%$2.09$2.00168,864 shs$295.90 million08/20/2025$2.00$1.99-0.50%$2.03$1.99131,851 shs$283.09 million08/19/2025$2.01$2.00-0.50%$2.04$1.9881,890 shs$284.52 million08/18/2025$2.03$2.01-0.99%$2.06$1.9978,262 shs$285.94 million08/15/2025$2.02$2.03+0.50%$2.08$2.01108,845 shs$288.79 million08/14/2025$2.05$2.02-1.46%$2.06$1.93161,526 shs$287.36 million08/13/2025$1.97$2.05+4.06%$2.11$1.98430,966 shs$291.63 million08/12/2025$1.83$1.97+7.65%$2.00$1.86310,555 shs$280.25 million Get the Latest News and Ratings for MNTK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Montauk Renewables and its competitors with MarketBeat's FREE daily newsletter. 08/11/2025$1.77$1.83+3.39%$1.99$1.77336,556 shs$260.33 million08/08/2025$1.95$1.77-9.23%$1.92$1.76145,810 shs$252.10 million08/07/2025$2.08$1.95-6.25%$1.97$1.79436,248 shs$277.75 million08/06/2025$2.07$2.08+0.48%$2.12$2.05419,191 shs$296.25 million08/05/2025$2.10$2.07-1.43%$2.15$2.0387,092 shs$294.83 million08/04/2025$2.06$2.10+1.94%$2.11$2.05102,518 shs$299.11 million08/01/2025$2.17$2.06-5.07%$2.13$2.05123,831 shs$293.41 million07/31/2025$2.17$2.17$2.22$2.11175,718 shs$309.07 million07/30/2025$2.26$2.17-3.98%$2.31$2.14105,856 shs$309.07 million07/29/2025$2.30$2.26-1.74%$2.34$2.2176,516 shs$321.90 million07/28/2025$2.32$2.30-0.86%$2.37$2.25266,858 shs$327.59 million07/25/2025$2.48$2.32-6.45%$2.50$2.3171,456 shs$330.44 million07/24/2025$2.49$2.48-0.40%$2.50$2.43156,266 shs$353.23 million Related Companies XIFR Stock Price Chart NFE Stock Price Chart NGL Stock Price Chart OPAL Stock Price Chart SMC Stock Price Chart GWRS Stock Price Chart PCYO Stock Price Chart RGCO Stock Price Chart OPTT Stock Price Chart SLNG Stock Price Chart Receive MNTK Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Montauk Renewables and its competitors with MarketBeat's FREE daily newsletter. 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