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ATN International (ATNI) Stock Chart & Stock Price History

ATN International logo
$29.17 -0.59 (-1.98%)
Closing price 09/17/2026 04:00 PM Eastern
Extended Trading
$29.17 +0.00 (+0.00%)
As of 04:06 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 Massive. Learn more.
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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 increased 86.51%, with a year-to-date return of 27.94%. In the past month, the stock has decreased 7.16%, reflecting recent market activity.

As of the latest close, ATN International traded at $29.17 with a market cap of $449.22 million and volume of 74,794 shares. Five years ago, the stock traded at $46.01, representing a 36.60% decrease over that period. At the time, it had a market cap of $729.90 million and a volume of 207,294 shares.

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5 Day
Performance
-3.79%
1 Month
Performance
-7.16%
3 Month
Performance
+13.24%
Year-To-Date
Performance
+27.94%
1 Year
Performance
+86.51%
5 Year
Performance
-36.60%

ATNI Stock Chart for Friday, September, 18, 2026

ATNI Chart by TradingView

ATN International Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/17/2026$29.76$29.17
-1.98%		$30.26$29.0774,794 shs$449.22 million
09/16/2026$29.99$29.76
-0.77%		$30.60$29.5389,759 shs$458.30 million
09/15/2026$30.26$29.99
-0.89%		$30.34$29.73115,499 shs$461.94 million
09/14/2026$30.32$30.26
-0.20%		$30.74$29.8681,995 shs$466.00 million
09/11/2026$30.65$30.32
-1.08%		$31.00$30.0770,131 shs$466.93 million
09/10/2026$29.92$30.65
+2.44%		$30.81$29.9652,062 shs$472.01 million
09/09/2026$30.10$29.92
-0.60%		$30.43$29.5489,335 shs$460.86 million
09/08/2026$30.93$30.10
-2.68%		$30.92$30.0175,303 shs$463.54 million
09/07/2026$30.93$30.93$31.27$30.4973,256 shs$476.32 million
09/04/2026$31.07$30.93
-0.45%		$31.27$30.4973,256 shs$476.32 million
09/03/2026$30.91$31.07
+0.52%		$31.16$30.5975,489 shs$478.57 million
09/02/2026$30.13$30.91
+2.59%		$31.31$30.2884,664 shs$476.01 million
09/01/2026$30.17$30.13
-0.13%		$30.49$29.9565,818 shs$464.00 million
08/31/2026$30.06$30.17
+0.37%		$30.48$29.5778,927 shs$464.71 million
08/28/2026$29.69$30.06
+1.25%		$30.49$29.7985,737 shs$463.01 million
08/27/2026$30.63$29.69
-3.07%		$30.89$29.25102,149 shs$457.23 million
08/26/2026$30.71$30.63
-0.26%		$30.88$30.3348,991 shs$471.70 million
08/25/2026$30.94$30.71
-0.74%		$31.12$30.3356,262 shs$473.03 million
08/24/2026$30.95$30.94
-0.03%		$31.67$30.8596,874 shs$476.48 million
08/21/2026$31.14$30.95
-0.61%		$31.78$30.4579,145 shs$476.63 million
08/20/2026$31.88$31.14
-2.32%		$31.57$30.60100,345 shs$479.56 million
08/19/2026$31.42$31.88
+1.46%		$32.14$31.3578,975 shs$491.05 million
08/18/2026$31.57$31.42
-0.48%		$31.93$30.9284,745 shs$483.87 million
08/17/2026$31.71$31.57
-0.44%		$32.31$31.1693,494 shs$486.18 million
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This page (NASDAQ:ATNI) was last updated on 9/17/2026 by MarketBeat.com Staff.
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