Costco (COST) stock price
US market closed · Last trade
Costco price chart
+3.49% · 5DCostco key stats
- Market cap
- $435.15B
- Volume
- 2.99M shares
- Day range
- $977.24 – $1,008.37
- Previous close
- $981.97
- Open
- $998.92
- 52-week range
- $844.06 – $1,096.50
- 1 month change
- +9.43%
- 6 months change
- -2.19%
- 1 year change
- +5.66%
- Exchange
- Nasdaq
- Sector
- Consumer Discretionary
- Industry
- Department/Specialty Retail Stores
- Country
- United States
About Costco
Costco (COST) trades on Nasdaq. The stock last traded at $978.01, down 0.40% on the day, giving the company a market value of $435.15B. It is classed in the Consumer Discretionary sector (Department/Specialty Retail Stores).
Over the past 52 weeks it has traded between $844.06 and $1,096.50 — 10.8% below the high. Over the past year the price is up 5.7%.
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Costco stock FAQ
What is the Costco stock price today?
Costco (COST) last traded at $978.01 as of Oct 15, 2026 · 4:00 PM ET, down 0.40% from the previous close. Prices on this page come from third-party market data and may be delayed.
What is Costco’s market cap?
Costco’s market capitalization is about $435.15B — the share price multiplied by the number of shares outstanding.
What is the 52-week high and low of COST?
Over the past 52 weeks COST has traded as high as $1,096.50 and as low as $844.06.
Where and when does COST trade?
Costco trades on Nasdaq under the ticker COST, in US dollars. Regular trading hours are 9:30 a.m. to 4:00 p.m. New York time, Monday to Friday, except US market holidays.
Is this page financial advice?
No. Prices and statistics are provided for information only and come from third-party market data. Do your own research before making any investment decision.
Stock prices, market caps and charts come from third-party market data and may be delayed. Information only — not financial advice. See our disclaimer.