Costco - 41 Year Stock Price History | COST

The latest closing stock price for Costco as of April 16, 2026 is 987.21.

  • An investor who bought $1,000 worth of Costco stock at the IPO in 1985 would have $34,722 today, roughly 35 times their original investment - a 9.35% compound annual growth rate over 40 years.
  • The all-time high Costco stock closing price was 1070.99 on February 13, 2025.
  • The Costco 52-week high stock price is 1067.08, which is 8.1% above the current share price.
  • The Costco 52-week low stock price is 844.06, which is 14.5% below the current share price.
  • The average Costco stock price for the last 52 weeks is 959.88.
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 $34,722 today, roughly 35 times their original investment - a 9.35% compound annual growth rate over 40 years.
  • The all-time high Costco stock closing price was 1070.99 on February 13, 2025.
  • The Costco 52-week high stock price is 1067.08, which is 8.1% above the current share price.
  • The Costco 52-week low stock price is 844.06, which is 14.5% below the current share price.
  • The average Costco stock price for the last 52 weeks is 959.88.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.