ATN International (ATNI) Stock Chart & Stock Price History $14.10 -0.08 (-0.56%) Closing price 10/13/2025 04:00 PM EasternExtended Trading$14.02 -0.08 (-0.57%) As of 04:00 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 ATN International Stock Price Performance The ATN International (ATNI) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 55.94%, with a year-to-date return of -16.12%. In the past month, the stock has decreased 9.44%, reflecting recent market activity. As of the latest close, ATN International traded at $14.10 with a market cap of $215.17 million and volume of 25,206 shares. Five years ago, the stock traded at $48.02, representing a 70.64% decrease over that period. At the time, it had a market cap of $766.78 million and a volume of 25,003 shares. Receive ATNI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ATN International 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-2.08%1 Month Performance-9.44%3 Month Performance-20.92%Year-To-Date Performance-16.12%1 Year Performance-55.94%5 Year Performance-70.64% ATNI Stock Chart for Tuesday, October, 14, 2025 ATNI Chart by TradingView ATN International 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 Capitalization10/13/2025$14.18$14.10-0.56%$14.59$14.0625,206 shs$215.17 million10/10/2025$14.40$14.18-1.53%$14.50$13.8629,687 shs$216.39 million10/09/2025$14.74$14.40-2.31%$14.68$14.4018,050 shs$219.70 million10/08/2025$14.36$14.74+2.65%$14.99$14.4323,152 shs$224.93 million10/07/2025$14.55$14.36-1.31%$15.10$14.2730,580 shs$219.13 million10/06/2025$15.20$14.55-4.28%$15.35$14.5246,986 shs$221.99 million10/03/2025$14.99$15.20+1.40%$15.25$14.9123,670 shs$231.91 million10/02/2025$14.93$14.99+0.40%$15.24$14.4938,148 shs$228.75 million10/01/2025$14.97$14.93-0.27%$15.03$14.6229,067 shs$227.83 million09/30/2025$15.27$14.97-1.96%$15.46$14.6830,950 shs$228.40 million Get the Latest News and Ratings for ATNI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ATN International and its competitors with MarketBeat's FREE daily newsletter. 09/29/2025$15.59$15.27-2.05%$15.88$15.0928,263 shs$233.02 million09/26/2025$15.65$15.59-0.38%$15.92$15.5217,075 shs$237.90 million09/25/2025$15.85$15.65-1.26%$16.16$15.3736,696 shs$238.82 million09/24/2025$15.93$15.85-0.50%$16.06$15.8217,191 shs$241.82 million09/23/2025$15.69$15.93+1.53%$16.32$15.6641,266 shs$243.09 million09/22/2025$15.22$15.69+3.09%$15.90$15.1230,417 shs$239.43 million09/19/2025$15.64$15.22-2.69%$15.96$15.0786,682 shs$232.26 million09/18/2025$15.27$15.64+2.42%$15.82$15.2531,092 shs$238.62 million09/17/2025$15.40$15.27-0.84%$16.10$15.2530,035 shs$233.02 million09/16/2025$15.57$15.40-1.09%$15.62$15.3125,175 shs$235.00 million09/15/2025$15.57$15.57$15.83$15.4422,947 shs$237.55 million Related Companies AT&T Stock Price Chart Verizon Communications Stock Price Chart Lumen Technologies Stock Price Chart IDT Stock Price Chart Nexxen International Stock Price Chart Spok Stock Price Chart Old Market Capital Stock Price Chart Siyata Mobile Stock Price Chart Cambium Networks Stock Price Chart T-Mobile US Stock Price Chart Receive ATNI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ATN International and its competitors with MarketBeat's FREE daily newsletter. 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