Tantech (TANH) Stock Chart & Stock Price History $1.70 -0.04 (-2.30%) Closing price 10/17/2025 04:00 PM EasternExtended Trading$1.70 0.00 (-0.29%) As of 10/17/2025 07:51 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 ForecastsChartCompetitorsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Tantech Stock Price Performance The Tantech (TANH) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 76.90%, with a year-to-date return of -79.86%. In the past month, the stock has decreased 19.05%, reflecting recent market activity. As of the latest close, Tantech traded at $1.70 with a market cap of $153 thousand and volume of 106,981 shares. Five years ago, the stock traded at a split-adjusted price of $2,400.00, representing a 99.93% decrease over that period. At the time, it had a market cap of $72.22 million and a volume of 13,715 shares. 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. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance-0.58%1 Month Performance-19.05%3 Month Performance-9.09%Year-To-Date Performance-79.86%1 Year Performance-76.90%5 Year Performance-99.93% TANH Stock Chart for Saturday, October, 18, 2025 TANH Chart by TradingView Tantech 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 Capitalization10/17/2025$1.74$1.70-2.30%$1.77$1.61106,981 shs$153,000.0010/16/2025$1.76$1.74-1.14%$1.84$1.7081,884 shs$165,000.0010/15/2025$1.74$1.76+1.15%$1.80$1.7183,611 shs$158,000.0010/14/2025$1.71$1.74+1.75%$1.79$1.60123,800 shs$157,000.0010/13/2025$1.56$1.71+9.62%$1.75$1.58133,602 shs$162,000.0010/10/2025$1.79$1.56-12.85%$1.76$1.53322,902 shs$148,000.0010/09/2025$1.90$1.79-5.79%$1.90$1.72349,150 shs$161,000.0010/08/2025$1.78$1.90+6.74%$1.96$1.791.00 million shs$171,000.0010/07/2025$1.90$1.78-6.32%$1.86$1.7595,007 shs$169,000.0010/06/2025$1.80$1.90+5.56%$1.96$1.80133,334 shs$171,000.00 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. 10/03/2025$1.82$1.80-1.10%$1.89$1.7842,947 shs$162,000.0010/02/2025$1.80$1.82+1.11%$1.86$1.7897,005 shs$164,000.0010/01/2025$1.67$1.80+8.11%$1.87$1.6892,692 shs$171,000.0009/30/2025$1.70$1.67-2.06%$1.71$1.6261,590 shs$150,000.0009/29/2025$1.75$1.70-2.86%$1.76$1.63212,346 shs$153,000.0009/26/2025$1.85$1.75-5.41%$1.84$1.72203,050 shs$158,000.0009/25/2025$1.89$1.85-2.12%$1.92$1.82154,457 shs$166,000.0009/24/2025$1.84$1.89+2.72%$1.93$1.81107,175 shs$175,000.0009/23/2025$1.92$1.84-4.17%$1.91$1.77240,990 shs$166,000.0009/22/2025$2.12$1.92-9.43%$2.08$1.90305,085 shs$173,000.0009/19/2025$2.10$2.12+0.95%$2.28$2.08755,890 shs$191,000.0009/18/2025$2.14$2.10-1.87%$2.20$1.95413,424 shs$200,000.0009/17/2025$2.36$2.14-9.32%$2.25$2.05569,497 shs$193,000.00 Related Companies Golden Arrow Merger Stock Chart ICL Group Stock Chart LanzaTech Global Stock Chart Origin Materials Stock Chart PureCycle Technologies Stock Chart PureCycle Technologies Stock Chart Linde Stock Chart Nutrien Stock Chart Element Solutions Stock Chart Axalta Coating Systems Stock Chart 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. 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