ATN International (ATNI) Stock Chart & Stock Price History $20.91 -0.85 (-3.91%) Closing price 04:00 PM EasternExtended Trading$21.55 +0.64 (+3.06%) As of 06:35 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 5 Day Performance-4.48%1 Month Performance+17.01%3 Month Performance+26.42%6 Month Performance-31.33%Year-To-Date Performance+24.39%1 Year Performance-30.78% 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 ATNI Stock Chart for Tuesday, March, 25, 2025 ATNI Chart by TradingViewRemove Ads ATN International Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization03/25/2025$21.76$20.91-3.91%$22.28$20.8970,564 shs$323.71 million03/24/2025$22.79$21.76-4.52%$23.10$21.4888,212 shs$336.87 million03/21/2025$21.89$22.79+4.11%$22.88$22.14196,174 shs$344.45 million03/20/2025$22.39$21.89-2.23%$22.32$21.8248,763 shs$330.85 million03/19/2025$22.68$22.39-1.28%$22.90$21.7450,427 shs$338.40 million03/18/2025$23.13$22.68-1.95%$23.06$22.1579,342 shs$342.79 million03/17/2025$22.18$23.13+4.28%$23.60$22.21133,118 shs$349.59 million03/14/2025$21.15$22.18+4.87%$22.30$20.26147,118 shs$335.23 million03/13/2025$20.36$21.15+3.88%$21.52$19.94119,367 shs$319.66 million03/12/2025$21.21$20.36-4.01%$21.90$19.96115,333 shs$307.72 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. 03/11/2025$20.50$21.21+3.46%$21.35$20.3492,307 shs$320.57 million03/10/2025$19.89$20.50+3.07%$20.96$19.97136,997 shs$309.84 million03/07/2025$19.27$19.89+3.22%$20.18$19.28104,286 shs$300.62 million03/06/2025$18.13$19.27+6.29%$19.30$17.90144,689 shs$291.25 million03/05/2025$16.98$18.13+6.77%$18.83$17.28111,129 shs$274.02 million03/04/2025$16.66$16.98+1.92%$17.40$16.3172,502 shs$256.64 million03/03/2025$17.28$16.66-3.59%$17.46$16.4837,377 shs$251.80 million02/28/2025$17.29$17.28-0.06%$17.35$16.8171,268 shs$261.17 million02/27/2025$17.97$17.29-3.78%$17.85$17.2841,249 shs$261.32 million02/26/2025$17.87$17.97+0.56%$18.48$17.5951,718 shs$271.53 million02/25/2025$17.56$17.87+1.77%$18.15$17.5448,071 shs$270.02 million02/24/2025$17.88$17.56-1.79%$18.46$17.5639,631 shs$265.40 million Related Companies IDT Stock Price Chart AT&T Stock Price Chart Verizon Communications Stock Price Chart Lumen Technologies Stock Price Chart Anterix Stock Price Chart Shenandoah Telecommunications Stock Price Chart Crexendo Stock Price Chart NextPlat Stock Price Chart SurgePays 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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