Montauk Renewables (MNTK) Stock Chart & Stock Price History $1.92 -0.10 (-4.70%) As of 11:37 AM Eastern This is a fair market value 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 57.25%, with a year-to-date return of -51.88%. In the past month, the stock has decreased 5.67%, reflecting recent market activity. As of the latest close, Montauk Renewables traded at $2.02 with a market cap of $287.37 million and volume of 77,326 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. 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Read our full terms of service and privacy policy. 5 Day Performance-6.13%1 Month Performance-5.67%3 Month Performance-14.13%Year-To-Date Performance-51.88%1 Year Performance-57.25% MNTK Stock Chart for Monday, September, 15, 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 Capitalization09/12/2025$2.10$2.02-3.81%$2.09$2.0077,326 shs$287.37 million09/11/2025$2.04$2.10+2.94%$2.12$1.99162,398 shs$298.75 million09/10/2025$2.00$2.04+2.00%$2.06$2.0070,847 shs$290.20 million09/09/2025$2.06$2.00-2.91%$2.06$1.9878,255 shs$284.52 million09/08/2025$2.07$2.06-0.48%$2.08$1.98107,466 shs$293.06 million09/05/2025$2.06$2.07+0.49%$2.14$2.0691,625 shs$294.48 million09/04/2025$2.11$2.06-2.37%$2.13$2.0471,249 shs$293.05 million09/03/2025$2.09$2.11+0.96%$2.14$2.05144,458 shs$300.17 million09/02/2025$2.15$2.09-2.79%$2.14$2.06140,031 shs$297.32 million09/01/2025$2.15$2.15$2.23$2.13100,139 shs$305.85 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. 08/29/2025$2.23$2.15-3.59%$2.23$2.13100,139 shs$305.85 million08/28/2025$2.19$2.23+1.83%$2.26$2.16117,746 shs$317.24 million08/27/2025$2.18$2.19+0.46%$2.26$2.15122,494 shs$311.55 million08/26/2025$2.17$2.18+0.46%$2.23$2.15167,212 shs$310.12 million08/25/2025$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 million Related Companies EDN Stock Price Chart XIFR Stock Price Chart NGL Stock Price Chart NFE Stock Price Chart SMC Stock Price Chart OPAL Stock Price Chart GWRS Stock Price Chart PCYO Stock Price Chart RGCO Stock Price Chart ALCE 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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