Costco Wholesale Corporation (COST) vs State Street SPDR S&P 500 ETF Trust (SPY)

See how Costco Wholesale Corporation and State Street SPDR S&P 500 ETF Trust differ across market data and performance, so you can decide which asset best fits your strategy.

$943.89
NasdaqGS
Founded in 1983, Costco Wholesale Corp operates a global network of membership-only warehouse clubs focused on offering high-quality products and services at consistently low prices. In its latest fiscal year, the company ran approximately 910 warehouses and served more than 80 million members across three geographic segments: Costco U.S., which generated about 73% of total revenue, Costco Canada at 13%, and Costco International at 14%. Costco’s core value proposition—quality merchandise at highly competitive prices—has supported strong membership renewal rates, reaching 93% in the U.S. and Canada and nearly 90% internationally. Roughly 55% of fiscal 2025 revenue came from grocery sales, while general merchandise contributed another 25%.
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$767.05
NYSEArca
SPDR S&P 500 ETF Trust is an exchange-traded fund that gives investors diversified exposure to large-cap U.S. companies in the S&P 500 Index. It is designed to track or represent a basket of publicly traded securities rather than a single company, making it useful for portfolio allocation, regional exposure, and thematic positioning. Its performance depends on the underlying holdings, sector and country weights, currency movements where relevant, fund expenses, and broader equity-market conditions.
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Key Metrics Comparison

Costco Wholesale CorporationCOST
Market Cap
$418.595B
Price
$943.89
24h Change
-0.17%
24h Volume
$2.38M
Employees
341,000
Shares Outstanding
443,652,540
State Street SPDR S&P 500 ETF TrustSPY
Market Cap
$795.307B
Price
$767.05
24h Change
-0.30%
24h Volume
$38.64M
Employees
N/A
Shares Outstanding
1,022,982,116

Category Performance

Visual comparison across key categories. Ring fill represents relative strength or share between the two assets.

Market Share

Share of combined market cap

Market Share
COST
34.5%
SPY
65.5%

Volume Share

Share of combined 24h volume

Volume Share
COST
5.8%
SPY
94.2%

24h Performance

Price change over last 24 hours

24h Performance
COST
-0.17%
SPY
-0.30%
Price Comparison
Costco Wholesale Corporation
State Street SPDR S&P 500 ETF Trust