ATN International (ATNI) Stock Chart & Stock Price History $18.03 +0.42 (+2.39%) As of 01:42 PM Eastern This is a fair market value 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 22.15%, with a year-to-date return of 7.26%. In the past month, the stock has increased 17.38%, reflecting recent market activity. As of the latest close, ATN International traded at $17.61 with a market cap of $268.02 million and volume of 78,255 shares. Five years ago, the stock traded at $59.42, representing a 69.66% decrease over that period. At the time, it had a market cap of $946.82 million and a volume of 32,200 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-0.44%1 Month Performance+17.38%3 Month Performance+1.92%Year-To-Date Performance+7.26%1 Year Performance-22.15%5 Year Performance-69.66% ATNI Stock Chart for Thursday, July, 17, 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 Capitalization07/16/2025$17.82$17.61-1.18%$17.91$17.4078,255 shs$268.02 million07/15/2025$17.83$17.82-0.06%$18.25$17.8078,869 shs$271.17 million07/14/2025$18.11$17.83-1.55%$18.18$17.6738,211 shs$271.32 million07/11/2025$18.72$18.11-3.26%$18.59$17.9128,607 shs$275.58 million07/10/2025$18.58$18.72+0.75%$18.83$18.4135,529 shs$284.92 million07/09/2025$18.30$18.58+1.53%$18.73$18.2051,678 shs$282.79 million07/08/2025$17.29$18.30+5.84%$18.44$17.2956,196 shs$278.47 million07/07/2025$17.47$17.29-1.01%$17.57$17.0370,611 shs$263.15 million07/04/2025$17.47$17.47$17.48$17.1317,655 shs$265.78 million07/03/2025$17.18$17.47+1.66%$17.48$17.1317,655 shs$265.83 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. 07/02/2025$16.89$17.18+1.72%$17.22$16.2562,462 shs$261.48 million07/01/2025$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 million06/17/2025$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 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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