ATN International (ATNI) Stock Chart & Stock Price History $14.61 +0.28 (+1.95%) Closing price 05/20/2025 04:00 PM EasternExtended Trading$14.61 0.00 (0.00%) As of 07:35 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 43.11%, with a year-to-date return of -13.09%. In the past month, the stock has decreased 16.56%, reflecting recent market activity. As of the latest close, ATN International traded at $14.61 with a market cap of $222.32 million and volume of 41,545 shares. Five years ago, the stock traded at $56.62, representing a 74.20% decrease over that period. At the time, it had a market cap of $883.75 million and a volume of 47,700 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+0.21%1 Month Performance-16.56%3 Month Performance-18.29%Year-To-Date Performance-13.09%1 Year Performance-43.11%5 Year Performance-74.20% ATNI Stock Chart for Wednesday, May, 21, 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 Capitalization05/20/2025$14.33$14.61+1.95%$14.86$14.0341,545 shs$222.32 million05/19/2025$14.58$14.33-1.71%$14.47$14.2431,179 shs$218.06 million05/16/2025$14.69$14.58-0.75%$14.80$14.3061,625 shs$221.86 million05/15/2025$14.45$14.69+1.66%$14.92$14.5170,331 shs$223.54 million05/14/2025$14.85$14.45-2.69%$14.84$14.0978,363 shs$219.89 million05/13/2025$15.29$14.85-2.88%$15.68$14.8336,918 shs$225.97 million05/12/2025$15.66$15.29-2.36%$16.11$15.2062,043 shs$232.67 million05/09/2025$15.62$15.66+0.26%$16.03$15.3754,712 shs$238.30 million05/08/2025$16.32$15.62-4.29%$16.70$15.5648,524 shs$237.69 million05/07/2025$16.57$16.32-1.51%$16.80$16.0964,677 shs$248.34 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. 05/06/2025$16.12$16.57+2.79%$16.74$15.9036,471 shs$252.15 million05/05/2025$16.04$16.12+0.50%$16.25$15.4085,946 shs$249.55 million05/02/2025$14.97$16.04+7.15%$16.20$14.9571,141 shs$248.32 million05/01/2025$17.69$14.97-15.38%$17.39$14.63110,457 shs$231.75 million04/30/2025$18.31$17.69-3.39%$18.09$17.3761,861 shs$273.86 million04/29/2025$17.89$18.31+2.35%$18.35$17.6170,801 shs$283.46 million04/28/2025$17.30$17.89+3.41%$17.92$17.2646,076 shs$276.96 million04/25/2025$17.47$17.30-0.97%$17.35$16.8347,459 shs$267.82 million04/24/2025$17.25$17.47+1.28%$17.78$17.0865,943 shs$270.45 million04/23/2025$17.53$17.25-1.60%$18.10$17.1747,031 shs$267.05 million04/22/2025$17.51$17.53+0.11%$17.80$17.3642,513 shs$271.38 million04/21/2025$17.69$17.51-1.02%$17.90$17.3740,864 shs$271.07 million Related Companies AT&T Stock Price Chart Verizon Communications Stock Price Chart Lumen Technologies Stock Price Chart IDT Stock Price Chart Shenandoah Telecommunications Stock Price Chart Anterix Stock Price Chart Crexendo Stock Price Chart SurgePays Stock Price Chart NextPlat Stock Price Chart Atento 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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