The closing price for Costco Wholesale (COST) yesterday was $949.59. It was up 1.4% for the day (up 0.6% from previous close).
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
August 12 2026 19:30 | $948.74 | $950.12 | $947.37 | $949.59 | 13,168 |
August 12 2026 18:30 | $948.97 | $949.93 | $948.29 | $948.53 | 3,034 |
August 12 2026 17:30 | $949.35 | $950.92 | $948.76 | $950.91 | 2,289 |
August 12 2026 16:30 | $948.20 | $951.16 | $948.20 | $951.16 | 2,493 |
August 12 2026 15:30 | $947.71 | $948.69 | $946.91 | $948.32 | 3,642 |
August 12 2026 14:30 | $946.06 | $946.83 | $944.68 | $946.82 | 5,940 |
August 12 2026 13:30 | $936.46 | $946.61 | $935.91 | $945.94 | 10,352 |
Daily pricing data for Costco Wholesale dates back to 11/27/1985, and may be incomplete.