The closing price for Costco Wholesale (COST) today was $999.28. It was down 0.5% for the day (down 0.9% from previous close).
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
May 11 2026 19:30 | $996.47 | $999.91 | $994.53 | $999.28 | 43,088 |
May 11 2026 18:30 | $991.75 | $992.96 | $990.62 | $991.52 | 23,136 |
May 11 2026 17:30 | $993.82 | $996.12 | $991.67 | $993.42 | 20,026 |
May 11 2026 16:30 | $990.22 | $994.01 | $989.63 | $993.26 | 17,012 |
May 11 2026 15:30 | $989.17 | $992.73 | $985.37 | $992.34 | 23,958 |
May 11 2026 14:30 | $999.49 | $1,000.65 | $996.01 | $996.02 | 15,252 |
May 11 2026 13:30 | $1,004.70 | $1,006.43 | $995.41 | $998.50 | 32,474 |
Daily pricing data for Costco Wholesale dates back to 11/27/1985, and may be incomplete.