how did costco

The closing price for Costco Wholesale (COST) yesterday was $1,048.95. It was up 0.1% for the day (up 0.7% from previous close).

DATEOPENHIGHLOWCLOSEVOLUME
May 15 2026 20:00
$1,048.95
$1,048.95
$1,048.95
$1,048.95
May 15 2026 19:30
$1,047.10
$1,049.59
$1,045.93
$1,049.50
269,831
May 15 2026 18:30
$1,047.31
$1,048.75
$1,045.71
$1,046.71
144,663
May 15 2026 17:30
$1,046.59
$1,047.73
$1,043.65
$1,047.33
128,631
May 15 2026 16:30
$1,040.53
$1,048.58
$1,039.47
$1,046.33
140,483
May 15 2026 15:30
$1,044.99
$1,046.39
$1,040.16
$1,040.87
113,295
May 15 2026 14:30
$1,048.95
$1,050.69
$1,044.75
$1,045.04
164,704
May 15 2026 13:30
$1,047.86
$1,057.50
$1,039.22
$1,048.94
601,708
Daily pricing data for Costco Wholesale dates back to 11/27/1985, and may be incomplete.