Historical Stock Price
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Video: Compound Annual Growth Rate (CAGR) Definition
Date Open High Low Close Volume
05/04/2026 $27.96 $28.45 $26.78 $27.35 87.90K
05/05/2026 $27.52 $28.08 $26.98 $27.66 55.50K
05/06/2026 $27.76 $27.80 $27.18 $27.40 71.00K
05/07/2026 $26.90 $27.33 $23.41 $25.71 118.40K
05/08/2026 $25.98 $26.86 $25.60 $26.55 75.70K
ATN International, Inc. is a provider of digital infrastructure and communications services. Co. operates in the U.S. and internationally, including the Caribbean region. Its segments include International Telecom and US Telecom. The International Telecom segment provides mobility services, fixed services, carrier services, and managed services in Bermuda, the Cayman Islands, Guyana, and the US Virgin Islands. The US Telecom segment provides fixed services, carrier services, mobility services, and managed services in Alaska and parts of the western U.S..
ATNI historical stock prices picture
ATN International (ATNI) has the following price history information. Looking back at ATNI historical stock prices for the last five trading days, on May 04, 2026, ATNI opened at $27.96, traded as high as $28.45 and as low as $26.78, and closed at $27.35. Trading volume was a total of 87.90K shares. On May 05, 2026, ATNI opened at $27.52, traded as high as $28.08 and as low as $26.98, and closed at $27.66. Trading volume was a total of 55.50K shares. On May 06, 2026, ATNI opened at $27.76, traded as high as $27.80 and as low as $27.18, and closed at $27.40. Trading volume was a total of 71.00K shares. On May 07, 2026, ATNI opened at $26.90, traded as high as $27.33 and as low as $23.41, and closed at $25.71. Trading volume was a total of 118.40K shares. On May 08, 2026, ATNI opened at $25.98, traded as high as $26.86 and as low as $25.60, and closed at $26.55. Trading volume was a total of 75.70K shares.

ATNI Historical Stock Prices By Date:

ATNI historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into ATN International shares, starting with a $10,000 purchase of ATNI, and working forward through the historical stock price information to today.

Growth of $10,000.00
With Dividends Reinvested

Start date: 05/11/2016
End date: 05/08/2026
Start price/share: $74.00
End price/share: $26.55
Starting shares: 135.14
Ending shares: 169.95
Dividends reinvested/share: $8.63
Total return: -54.88%
Average Annual Total Return: -7.65%
Starting investment: $10,000.00
Ending investment: $4,512.98
Years: 10.00
 
Growth of $10,000.00
Without Dividends Reinvested

Start date: 05/11/2016
End date: 05/08/2026
Start price/share: $74.00
End price/share: $26.55
Dividends collected/share: $8.63
Total return: -52.46%
Average Annual Total Return: -7.17%
Starting investment: $10,000.00
Ending investment: $4,753.05
Years: 10.00
Date Close
05/04/2026$27.35
05/05/2026$27.66
05/06/2026$27.40
05/07/2026$25.71
05/08/2026$26.55
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Also explore: ATNI shares outstanding history

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