stockNASDAQ: COST • Today's Updates
Costco Wholesale Corporation (COST) Today Close
Showing Closing Date Range from Oct 8 to Oct 9, 2026.
Costco operates membership warehouses offering branded and private-label merchandise across global retail markets.
Investor Relations:investor.costco.com
NASDAQ MarketWeekend Closed Wall Street: 4:17 PM ET
Weekend • Markets Closed
US stock markets are closed over the weekend and will reopen Monday at 9:30 AM ET. Displaying the final completed trading session from Oct 09, 2026.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$945.00
Opening Gap$-2.92(-0.31%)
Last Finalized Close
FRIDAY CLOSESession close from Oct 09, 2026
$946.92
Session DateOct 09, 2026
Lost Today
LOSS Net movement vs previous close
$-1.00 (-0.11%)
Intraday (from open)+$1.92 (+0.20%)
Day's High & Low Range
Session Low
$942.53
Session High
$951.29
Low ($942.53)Last Finalized Close ($946.92)High ($951.29)
Trading Activity & Liquidity
Shares Traded
1.49M
1,485,284 shares
Dollar Volume
$1.41B
Close × Volume traded
Session Turnover$1.41B USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for Costco Wholesale Corporation (COST).
Oct 09, 2026
Started At (Open)
$945.00
Previous Close
$947.92
Session High
$951.29
Session Low
$942.53
Last Finalized Close
$946.92
Gained / Lost ($)
$-1.00
Gained / Lost (%)
-0.11%
Day's Spread
$8.76