Tantech (TANH) Stock Chart & Stock Price History $3.17 +0.18 (+6.02%) Closing price 02/21/2025 04:00 PM EasternExtended Trading$3.21 +0.04 (+1.26%) As of 02/21/2025 08:00 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 AnalysisChartCompetitorsFinancialsHeadlinesOwnershipSEC FilingsShort InterestTrends Tantech Stock Price Performance 5 Day Performance-8.91%1 Month Performance-51.38%3 Month Performance-47.34%6 Month Performance-42.99%Year-To-Date Performance-62.44%1 Year Performance-89.84% Receive TANH Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Tantech and its competitors with MarketBeat's FREE daily newsletter. Email Address TANH Stock Chart for Saturday, February, 22, 2025 TANH Chart by TradingView Tantech Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization02/21/2025$2.99$3.17+6.02%$3.47$2.853.12 million shs$285,000.0002/20/2025$3.08$2.99-2.92%$3.09$2.83108,740 shs$269,000.0002/19/2025$3.51$3.08-12.25%$3.59$2.79220,915 shs$277,000.0002/18/2025$3.48$3.51+0.86%$4.64$3.43535,703 shs$13.34 million02/17/2025$3.48$3.48$3.76$3.35157,829 shs$13.22 million02/14/2025$3.83$3.48-9.14%$3.76$3.35157,829 shs$364,000.0002/13/2025$3.36$3.83+14.12%$4.24$3.02567,431 shs$14.55 million02/12/2025$3.80$3.36-11.59%$3.82$3.35162,000 shs$319,000.0002/11/2025$5.10$3.80-25.63%$3.96$3.36301,432 shs$361,000.0002/10/2025$5.42$5.10-5.76%$5.54$4.91119,872 shs$484,000.00 Get the Latest News and Ratings for TANH and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Tantech and its competitors with MarketBeat's FREE daily newsletter. 02/07/2025$5.54$5.42-2.17%$5.57$5.3228,937 shs$515,000.0002/06/2025$5.31$5.54+4.30%$5.60$5.3341,635 shs$504,000.0002/05/2025$5.72$5.31-7.14%$5.78$5.2679,905 shs$504,000.0002/04/2025$5.69$5.72+0.49%$5.86$5.6132,836 shs$543,000.0002/03/2025$5.90$5.69-3.59%$5.88$5.6253,557 shs$540,000.0001/31/2025$5.91$5.90-0.20%$6.31$5.8182,038 shs$560,000.0001/30/2025$5.86$5.91+0.96%$6.12$5.7226,007 shs$562,000.0001/29/2025$6.58$5.86-10.95%$6.56$5.4297,254 shs$556,000.0001/28/2025$6.51$6.58+0.98%$6.76$5.9329,171 shs$625,000.0001/27/2025$6.70$6.51-2.75%$6.86$6.4363,183 shs$619,000.0001/24/2025$6.46$6.70+3.59%$6.80$6.2244,628 shs$636,000.0001/23/2025$6.52$6.46-0.86%$6.59$6.1357,903 shs$614,000.0001/22/2025$6.50$6.52+0.25%$6.66$6.2642,600 shs$619,000.0001/21/2025$6.78$6.50-4.13%$6.80$6.2066,892 shs$618,000.00 Related Companies CN Energy Group. 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