ATN - 34 Year Stock Price History | ATNI

The latest closing stock price for ATN as of April 01, 2025 is 20.27.

  • An investor who bought $1,000 worth of ATN stock at the IPO in 1991 would have $3,937 today, roughly 4 times their original investment - a 4.96% compound annual growth rate over 33 years.
  • The all-time high ATN stock closing price was 79.09 on November 28, 2018.
  • The ATN 52-week high stock price is 33.72, which is 66.4% above the current share price.
  • The ATN 52-week low stock price is 14.74, which is 27.3% below the current share price.
  • The average ATN stock price for the last 52 weeks is 23.01.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

ATN - 34 Year Stock Price History | ATNI

  • An investor who bought $1,000 worth of ATN stock at the IPO in 1991 would have $3,937 today, roughly 4 times their original investment - a 4.96% compound annual growth rate over 33 years.
  • The all-time high ATN stock closing price was 79.09 on November 28, 2018.
  • The ATN 52-week high stock price is 33.72, which is 66.4% above the current share price.
  • The ATN 52-week low stock price is 14.74, which is 27.3% below the current share price.
  • The average ATN stock price for the last 52 weeks is 23.01.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.