Stock research
Costco Wholesale Corp COST
Retail
$946.92last close 2026-10-09 · market cap $419.61B · delayed data
Trailing returns
1M+4.91%
3M+3.88%
6M-7.97%
1Y+1.01%
5Y+121.14%
Basis: Adjusted daily closes.
Valuation, cost of capital, SEC filings, ownership and more, with the source named on every figure.
Where these figures come from
- unavailable
- Yahoo Finance historical chart
- SEC inline XBRL segment disclosures
- Polygon
- Yahoo Finance quoteSummary
Delayed data. Not financial advice. Figures are read from the sources above at the dates shown; nothing here is a recommendation. Disclosures · All companies