Costco - 41 Year Stock Price History | COST

The latest closing stock price for Costco as of June 17, 2026 is 965.59.

  • An investor who bought $1,000 worth of Costco stock at the IPO in 1985 would have $208,943 today, roughly 209 times their original investment - a 13.93% compound annual growth rate over 41 years.
  • The all-time high Costco stock closing price was 1094.32 on May 19, 2026.
  • The Costco 52-week high stock price is 1096.50, which is 13.6% above the current share price.
  • The Costco 52-week low stock price is 844.06, which is 12.6% below the current share price.
  • The average Costco stock price for the last 52 weeks is 959.57.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Costco - 41 Year Stock Price History | COST

  • An investor who bought $1,000 worth of Costco stock at the IPO in 1985 would have $208,943 today, roughly 209 times their original investment - a 13.93% compound annual growth rate over 41 years.
  • The all-time high Costco stock closing price was 1094.32 on May 19, 2026.
  • The Costco 52-week high stock price is 1096.50, which is 13.6% above the current share price.
  • The Costco 52-week low stock price is 844.06, which is 12.6% below the current share price.
  • The average Costco stock price for the last 52 weeks is 959.57.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.