Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-01-29 | 957.99 | 960.30 | 948.51 | 952.89 | 948.70 | 1,824,966 |
| 2026-01-28 | 969.51 | 970.10 | 955.61 | 960.78 | 956.56 | 2,474,811 |
| 2026-01-27 | 977.68 | 978.00 | 961.71 | 970.28 | 966.02 | 2,077,931 |
| 2026-01-26 | 986.43 | 993.00 | 976.35 | 977.67 | 973.37 | 2,458,693 |
| 2026-01-23 | 971.44 | 984.85 | 971.01 | 983.25 | 978.93 | 1,680,580 |
| 2026-01-22 | 977.89 | 984.00 | 971.56 | 976.17 | 971.88 | 2,074,413 |
| 2026-01-21 | 959.60 | 989.64 | 959.60 | 982.86 | 978.54 | 4,073,664 |
| 2026-01-20 | 958.38 | 969.90 | 954.13 | 964.26 | 960.02 | 3,209,921 |
| 2026-01-16 | 962.00 | 964.98 | 951.00 | 963.61 | 959.38 | 3,862,947 |
| 2026-01-15 | 954.54 | 958.28 | 950.00 | 956.75 | 952.55 | 2,185,919 |
| 2026-01-14 | 938.33 | 955.61 | 938.29 | 950.98 | 946.80 | 2,894,879 |
| 2026-01-13 | 938.02 | 942.90 | 929.60 | 941.93 | 937.79 | 2,222,092 |
| 2026-01-12 | 920.40 | 944.83 | 917.00 | 943.08 | 938.94 | 3,246,406 |
| 2026-01-09 | 915.97 | 929.85 | 911.33 | 924.88 | 920.82 | 2,895,418 |
| 2026-01-08 | 901.13 | 931.67 | 896.00 | 915.31 | 911.29 | 5,207,158 |
| 2026-01-07 | 892.00 | 893.60 | 879.62 | 882.58 | 878.70 | 2,680,115 |
| 2026-01-06 | 875.95 | 894.08 | 871.30 | 889.10 | 885.19 | 2,742,339 |
| 2026-01-05 | 863.95 | 878.77 | 860.85 | 875.74 | 871.89 | 2,805,557 |
| 2026-01-02 | 861.14 | 863.10 | 852.50 | 854.50 | 850.75 | 2,373,388 |
| 2025-12-31 | 864.58 | 868.00 | 861.34 | 862.34 | 858.55 | 1,489,954 |
| 2025-12-30 | 864.00 | 867.82 | 861.43 | 865.65 | 861.85 | 1,680,756 |
| 2025-12-29 | 873.29 | 874.50 | 865.69 | 867.84 | 864.03 | 1,792,476 |
| 2025-12-26 | 870.64 | 877.59 | 869.00 | 873.35 | 869.51 | 1,324,051 |
| 2025-12-24 | 858.60 | 876.00 | 858.35 | 871.86 | 868.03 | 1,822,151 |
| 2025-12-23 | 849.10 | 854.98 | 846.80 | 854.79 | 851.03 | 1,903,349 |
| 2025-12-22 | 854.00 | 855.50 | 847.31 | 850.00 | 846.27 | 2,373,318 |
| 2025-12-19 | 856.57 | 858.45 | 849.32 | 855.62 | 851.86 | 10,097,640 |
| 2025-12-18 | 860.30 | 863.15 | 852.51 | 857.59 | 853.82 | 2,467,502 |
| 2025-12-17 | 858.50 | 868.58 | 858.23 | 862.65 | 858.86 | 2,363,703 |
| 2025-12-16 | 857.44 | 863.59 | 844.06 | 860.39 | 856.61 | 3,843,318 |
| 2025-12-15 | 882.11 | 887.49 | 851.40 | 860.56 | 856.78 | 4,771,436 |
| 2025-12-12 | 883.30 | 888.62 | 867.12 | 884.47 | 880.58 | 4,808,873 |
| 2025-12-11 | 875.86 | 886.00 | 872.55 | 884.48 | 880.59 | 3,041,582 |
| 2025-12-10 | 887.82 | 889.58 | 871.09 | 874.41 | 870.57 | 3,318,294 |
| 2025-12-09 | 886.85 | 889.02 | 881.51 | 888.44 | 884.54 | 1,899,463 |
| 2025-12-08 | 893.50 | 894.00 | 882.90 | 887.52 | 883.62 | 2,407,918 |
| 2025-12-05 | 897.25 | 905.89 | 893.00 | 894.68 | 890.75 | 2,359,794 |
| 2025-12-04 | 907.03 | 907.96 | 888.08 | 895.86 | 891.92 | 3,787,830 |
| 2025-12-03 | 920.81 | 926.32 | 916.02 | 922.26 | 918.21 | 1,886,769 |
| 2025-12-02 | 911.96 | 923.00 | 905.00 | 922.03 | 917.98 | 2,160,592 |
| 2025-12-01 | 913.20 | 918.58 | 906.21 | 911.96 | 907.95 | 2,087,400 |
| 2025-11-28 | 905.02 | 914.20 | 903.00 | 913.59 | 909.58 | 1,092,450 |
| 2025-11-26 | 896.02 | 912.00 | 895.62 | 908.26 | 904.27 | 1,936,171 |
| 2025-11-25 | 886.66 | 895.72 | 885.13 | 894.33 | 890.40 | 2,534,731 |
| 2025-11-24 | 899.00 | 901.36 | 881.32 | 886.12 | 882.23 | 3,661,191 |
| 2025-11-21 | 894.52 | 905.32 | 892.13 | 899.01 | 895.06 | 2,870,059 |
| 2025-11-20 | 893.50 | 904.57 | 891.00 | 893.29 | 889.36 | 2,648,257 |
| 2025-11-19 | 895.00 | 895.00 | 873.97 | 890.60 | 886.69 | 3,462,344 |
| 2025-11-18 | 912.59 | 918.91 | 894.17 | 895.08 | 891.15 | 2,984,688 |
| 2025-11-17 | 922.02 | 924.90 | 908.81 | 912.59 | 908.58 | 2,481,947 |
| 2025-11-14 | 927.13 | 928.89 | 915.10 | 922.98 | 918.92 | 1,739,059 |
| 2025-11-13 | 916.35 | 926.75 | 911.72 | 925.08 | 921.02 | 2,430,607 |
| 2025-11-12 | 915.47 | 918.10 | 911.67 | 914.00 | 909.98 | 1,829,740 |
| 2025-11-11 | 916.50 | 918.89 | 913.00 | 913.86 | 909.84 | 1,663,441 |
| 2025-11-10 | 919.00 | 922.00 | 909.07 | 915.56 | 911.54 | 2,612,726 |
| 2025-11-07 | 929.53 | 937.00 | 920.79 | 922.74 | 918.69 | 2,584,010 |
| 2025-11-06 | 924.36 | 925.00 | 908.30 | 923.58 | 919.52 | 3,247,658 |
| 2025-11-05 | 940.00 | 945.28 | 927.44 | 935.03 | 930.92 | 2,974,784 |
| 2025-11-04 | 933.21 | 941.17 | 928.97 | 940.74 | 936.61 | 2,554,542 |
| 2025-11-03 | 912.40 | 929.19 | 908.38 | 928.04 | 923.96 | 3,206,606 |
Stock splits
| Date | Split (new : old) |
|---|---|
| 2000-01-14 | 2:1 |
| 1993-10-22 | 2:1 |
Dividends
| Ex-date | Amount |
|---|---|
| 2026-07-24 | 1.4700 USD |
| 2026-05-01 | 1.4700 USD |
| 2026-01-30 | 1.3000 USD |
| 2025-10-31 | 1.3000 USD |
| 2025-08-01 | 1.3000 USD |
| 2025-05-02 | 1.3000 USD |
| 2025-02-07 | 1.1600 USD |
| 2024-11-01 | 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.