ATN International (ATNI) Stock Chart & Stock Price History $17.18 +0.29 (+1.72%) Closing price 04:00 PM EasternExtended Trading$17.18 0.00 (0.00%) As of 04:58 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 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 26.36%, with a year-to-date return of 2.20%. In the past month, the stock has increased 15.77%, reflecting recent market activity. As of the latest close, ATN International traded at $16.89 with a market cap of $257.07 million and volume of 39,749 shares. Five years ago, the stock traded at $59.54, representing a 71.15% decrease over that period. At the time, it had a market cap of $967.97 million and a volume of 32,931 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. Email Address 5 Day Performance+4.06%1 Month Performance+15.77%3 Month Performance-14.95%Year-To-Date Performance+2.20%1 Year Performance-26.36%5 Year Performance-71.15% ATNI Stock Chart for Wednesday, July, 2, 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 Capitalization07/01/2025$16.25$16.89+3.94%$17.18$16.2139,749 shs$257.07 million06/30/2025$16.51$16.25-1.57%$16.45$15.7966,501 shs$247.33 million06/27/2025$16.10$16.51+2.55%$16.66$16.1390,074 shs$251.28 million06/26/2025$16.14$16.10-0.25%$16.52$15.8944,410 shs$244.99 million06/25/2025$16.38$16.14-1.47%$16.40$16.0631,377 shs$245.65 million06/24/2025$16.40$16.38-0.12%$16.66$16.2947,384 shs$249.30 million06/23/2025$15.26$16.40+7.47%$16.41$15.2059,773 shs$249.61 million06/20/2025$15.43$15.26-1.10%$15.53$15.1478,265 shs$232.26 million06/19/2025$15.43$15.43$15.75$15.2943,686 shs$234.85 million06/18/2025$15.36$15.43+0.46%$15.75$15.2943,686 shs$234.85 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. 06/17/2025$15.82$15.36-2.91%$15.85$15.2250,004 shs$233.73 million06/16/2025$15.73$15.82+0.57%$16.12$15.6647,451 shs$240.73 million06/13/2025$16.26$15.73-3.26%$16.10$15.6636,036 shs$239.36 million06/12/2025$16.28$16.26-0.12%$16.40$15.8443,171 shs$247.43 million06/11/2025$16.17$16.28+0.68%$16.39$16.1638,824 shs$247.73 million06/10/2025$16.03$16.17+0.87%$16.39$16.0532,962 shs$246.06 million06/09/2025$15.91$16.03+0.75%$16.31$15.6844,574 shs$243.93 million06/06/2025$15.77$15.91+0.89%$16.03$15.5438,924 shs$242.10 million06/05/2025$15.35$15.77+2.74%$15.83$15.2660,651 shs$239.97 million06/04/2025$15.17$15.35+1.19%$15.50$15.0039,194 shs$233.58 million06/03/2025$14.84$15.17+2.22%$15.30$14.8242,922 shs$230.84 million06/02/2025$14.17$14.84+4.73%$15.36$14.2566,898 shs$225.82 million Related Companies AT&T Stock Price Chart Verizon Communications Stock Price Chart Lumen Technologies Stock Price Chart IDT 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 United States Cellular 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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