Costco Wholesale Corp. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-01-30 | 948.00 | 952.00 | 930.00 | 938.67 | 935.79 | 1,131 |
| 2026-01-29 | 956.00 | 967.00 | 948.32 | 952.08 | 949.16 | 580 |
| 2026-01-28 | 966.28 | 970.27 | 956.86 | 959.59 | 955.35 | 613 |
| 2026-01-27 | 978.00 | 984.00 | 961.90 | 966.29 | 962.02 | 694 |
| 2026-01-26 | 980.85 | 992.32 | 977.41 | 977.67 | 973.35 | 2,558 |
| 2026-01-23 | 974.10 | 984.41 | 970.00 | 980.70 | 976.37 | 1,707 |
| 2026-01-22 | 978.22 | 985.00 | 972.41 | 972.74 | 968.44 | 986 |
| 2026-01-21 | 963.03 | 981.06 | 953.00 | 980.68 | 976.35 | 2,237 |
| 2026-01-20 | 963.00 | 969.83 | 952.00 | 965.58 | 961.32 | 1,543 |
| 2026-01-16 | 955.93 | 961.00 | 951.00 | 957.00 | 952.77 | 639 |
| 2026-01-15 | 947.51 | 957.46 | 931.00 | 953.81 | 949.60 | 302 |
| 2026-01-14 | 937.97 | 955.29 | 930.00 | 949.15 | 944.96 | 778 |
| 2026-01-13 | 940.00 | 949.00 | 929.85 | 939.61 | 935.47 | 785 |
| 2026-01-12 | 920.00 | 942.75 | 917.00 | 942.75 | 938.59 | 854 |
| 2026-01-09 | 920.00 | 929.47 | 911.99 | 926.13 | 922.04 | 1,823 |
| 2026-01-08 | 895.25 | 931.20 | 885.51 | 924.32 | 920.24 | 4,169 |
| 2026-01-07 | 889.88 | 896.00 | 881.87 | 883.87 | 879.97 | 1,093 |
| 2026-01-06 | 876.88 | 892.01 | 871.30 | 890.81 | 886.88 | 891 |
| 2026-01-05 | 854.50 | 878.07 | 850.00 | 876.04 | 872.17 | 2,099 |
| 2026-01-02 | 865.97 | 874.00 | 852.87 | 854.02 | 850.25 | 449 |
| 2025-12-31 | 866.68 | 867.87 | 860.20 | 864.35 | 860.54 | 139 |
| 2025-12-30 | 867.45 | 869.96 | 860.53 | 865.46 | 861.64 | 498 |
| 2025-12-29 | 873.00 | 875.00 | 866.13 | 867.07 | 863.24 | 2,275 |
| 2025-12-24 | 853.97 | 875.83 | 846.86 | 871.72 | 867.87 | 1,108 |
| 2025-12-23 | 849.50 | 854.71 | 848.83 | 853.09 | 849.32 | 586 |
| 2025-12-22 | 858.00 | 861.20 | 847.78 | 848.22 | 844.48 | 478 |
| 2025-12-19 | 856.45 | 860.00 | 849.81 | 853.83 | 850.06 | 2,168 |
| 2025-12-18 | 862.90 | 869.00 | 853.29 | 857.74 | 853.95 | 498 |
| 2025-12-17 | 859.65 | 868.55 | 851.00 | 861.46 | 857.65 | 786 |
| 2025-12-16 | 858.50 | 862.00 | 844.18 | 855.53 | 851.75 | 2,027 |
| 2025-12-15 | 884.00 | 886.33 | 851.79 | 853.49 | 849.72 | 139,334 |
| 2025-12-12 | 878.46 | 888.24 | 867.13 | 877.00 | 873.13 | 2,290 |
| 2025-12-11 | 875.92 | 883.62 | 873.02 | 881.25 | 877.35 | 2,147 |
| 2025-12-10 | 887.49 | 890.00 | 873.00 | 873.00 | 869.15 | 928 |
| 2025-12-09 | 887.60 | 893.73 | 881.58 | 885.49 | 881.58 | 1,016 |
| 2025-12-08 | 895.50 | 902.13 | 883.17 | 886.95 | 883.03 | 1,490 |
| 2025-12-05 | 897.49 | 905.06 | 895.00 | 897.83 | 893.87 | 529 |
| 2025-12-04 | 912.94 | 920.00 | 888.10 | 891.71 | 887.77 | 1,054 |
| 2025-12-03 | 921.95 | 930.00 | 916.23 | 920.78 | 916.71 | 387 |
| 2025-12-02 | 911.31 | 920.00 | 905.00 | 914.54 | 910.50 | 2,093 |
| 2025-12-01 | 915.00 | 925.00 | 902.50 | 912.52 | 908.49 | 1,057 |
| 2025-11-28 | 911.00 | 913.68 | 901.83 | 913.27 | 909.24 | 527 |
| 2025-11-26 | 894.78 | 911.16 | 887.73 | 910.40 | 906.38 | 848 |
| 2025-11-25 | 886.10 | 895.45 | 885.32 | 893.91 | 889.96 | 910 |
| 2025-11-24 | 898.41 | 904.61 | 883.91 | 885.55 | 881.64 | 666 |
| 2025-11-21 | 896.00 | 902.67 | 890.00 | 898.66 | 894.69 | 899 |
| 2025-11-20 | 892.00 | 903.98 | 886.00 | 895.86 | 891.90 | 605 |
| 2025-11-19 | 895.03 | 908.00 | 874.23 | 886.71 | 882.79 | 2,648 |
| 2025-11-18 | 913.78 | 930.00 | 899.12 | 904.62 | 900.63 | 1,499 |
| 2025-11-17 | 921.21 | 925.00 | 911.38 | 913.45 | 909.41 | 1,320 |
| 2025-11-14 | 926.65 | 930.98 | 910.00 | 926.20 | 922.11 | 971 |
| 2025-11-13 | 913.94 | 923.56 | 910.00 | 922.80 | 918.73 | 2,189 |
| 2025-11-12 | 914.00 | 929.92 | 910.00 | 913.68 | 909.65 | 457 |
| 2025-11-11 | 915.00 | 922.00 | 914.00 | 915.98 | 911.94 | 1,810 |
| 2025-11-10 | 920.01 | 924.76 | 909.17 | 915.02 | 910.98 | 1,159 |
| 2025-11-07 | 920.00 | 936.79 | 908.01 | 926.33 | 922.24 | 658 |
| 2025-11-06 | 927.00 | 930.00 | 908.09 | 920.49 | 916.43 | 923 |
| 2025-11-05 | 939.00 | 945.09 | 928.18 | 941.50 | 937.34 | 762 |
| 2025-11-04 | 928.10 | 938.03 | 920.10 | 938.03 | 933.88 | 913 |
| 2025-11-03 | 913.48 | 925.04 | 908.56 | 925.04 | 920.96 | 1,949 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-07-23 | 1.4700 USD |
| 2026-04-30 | 1.4700 USD |
| 2026-01-29 | 1.3000 USD |
| 2025-10-30 | 1.3000 USD |
| 2025-07-31 | 1.3000 USD |
| 2025-05-01 | 1.3000 USD |
| 2025-02-06 | 1.1600 USD |
| 2024-10-31 | 1.1600 USD |
| 2024-07-26 | 1.1600 USD |
| 2024-04-25 | 1.1600 USD |
| 2024-02-01 | 1.0200 USD |
| 2023-12-27 | 15.0000 USD |
| 2023-11-02 | 1.0200 USD |
| 2023-08-24 | 1.0200 USD |
| 2023-05-04 | 1.0200 USD |
| 2023-02-02 | 0.9000 USD |
| 2022-10-27 | 0.9000 USD |
| 2022-07-28 | 0.9000 USD |
| 2022-04-28 | 0.9000 USD |
| 2022-02-03 | 0.7900 USD |
| 2021-10-28 | 0.7900 USD |
| 2021-07-29 | 0.7900 USD |
| 2021-04-29 | 0.7900 USD |
| 2021-02-04 | 0.7000 USD |
| 2020-12-01 | 10.0000 USD |
| 2020-10-29 | 0.7000 USD |
| 2020-07-30 | 0.7000 USD |
| 2020-04-30 | 0.7000 USD |
| 2020-02-06 | 0.6500 USD |
| 2019-10-31 | 0.6500 USD |
| 2019-08-29 | 0.6500 USD |
| 2019-05-09 | 0.6500 USD |
| 2019-02-07 | 0.5700 USD |
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.