ADTRAN (ADTN) Stock Chart & Stock Price History $8.94 -0.38 (-4.08%) Closing price 08/14/2025 04:00 PM EasternExtended Trading$8.94 0.00 (0.00%) As of 04:22 AM 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock ADTRAN Stock Price Performance The ADTRAN (ADTN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 73.59%, with a year-to-date return of 7.32%. In the past month, the stock has increased 1.02%, reflecting recent market activity. As of the latest close, ADTRAN traded at $8.94 with a market cap of $715.00 million and volume of 814,784 shares. Five years ago, the stock traded at $12.18, representing a 26.60% decrease over that period. At the time, it had a market cap of $580.77 million and a volume of 7,157 shares. Receive ADTN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ADTRAN and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+4.07%1 Month Performance+1.02%3 Month Performance+9.16%Year-To-Date Performance+7.32%1 Year Performance+73.59%5 Year Performance-26.60% ADTN Stock Chart for Friday, August, 15, 2025 ADTN Chart by TradingView ADTRAN 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 Capitalization08/14/2025$9.32$8.94-4.08%$9.10$8.75814,784 shs$715.00 million08/13/2025$9.10$9.32+2.42%$9.35$9.08803,415 shs$745.41 million08/12/2025$8.55$9.10+6.41%$9.20$8.661.11 million shs$727.82 million08/11/2025$8.59$8.55-0.44%$8.65$8.42876,735 shs$683.97 million08/08/2025$8.71$8.59-1.38%$8.77$8.58777,519 shs$687.01 million08/07/2025$8.66$8.71+0.58%$8.75$8.49841,630 shs$696.63 million08/06/2025$8.09$8.66+7.05%$8.74$8.111.77 million shs$692.63 million08/05/2025$9.47$8.09-14.57%$9.22$7.954.14 million shs$647.02 million08/04/2025$8.76$9.47+8.11%$9.48$8.811.06 million shs$757.41 million08/01/2025$9.29$8.76-5.71%$9.11$8.621.32 million shs$700.63 million Get the Latest News and Ratings for ADTN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ADTRAN and its competitors with MarketBeat's FREE daily newsletter. 07/31/2025$9.19$9.29+1.09%$9.58$9.221.05 million shs$743.01 million07/30/2025$9.51$9.19-3.36%$9.63$9.13601,114 shs$735.00 million07/29/2025$9.67$9.51-1.65%$9.81$9.48784,829 shs$760.61 million07/28/2025$9.23$9.67+4.77%$9.69$9.211.04 million shs$773.41 million07/25/2025$9.17$9.23+0.65%$9.27$9.15797,008 shs$738.22 million07/24/2025$9.45$9.17-2.96%$9.50$9.17716,139 shs$733.40 million07/23/2025$9.42$9.45+0.32%$9.66$9.31738,473 shs$755.81 million07/22/2025$9.45$9.42-0.32%$9.59$9.26836,013 shs$753.41 million07/21/2025$9.41$9.45+0.43%$9.46$9.101.04 million shs$755.81 million07/18/2025$9.56$9.41-1.57%$9.69$9.261.27 million shs$752.61 million07/17/2025$9.66$9.56-1.04%$10.23$9.542.91 million shs$764.59 million07/16/2025$8.85$9.66+9.15%$9.75$8.714.00 million shs$772.61 million07/15/2025$9.14$8.85-3.17%$9.27$8.831.01 million shs$707.81 million07/14/2025$9.20$9.14-0.65%$9.22$9.05854,899 shs$731.00 million Related Companies EXTR Stock Chart VSAT Stock Chart BELFB Stock Chart DGII Stock Chart HLIT Stock Chart NTGR Stock Chart RBBN Stock Chart AVNW Stock Chart KVHI Stock Chart CMTL Stock Chart Receive ADTN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ADTRAN and its competitors with MarketBeat's FREE daily newsletter. 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