Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-10-31 | 916.21 | 920.00 | 909.68 | 911.45 | 907.45 | 2,456,261 |
| 2025-10-30 | 912.69 | 923.00 | 910.37 | 920.18 | 914.84 | 2,677,064 |
| 2025-10-29 | 919.00 | 919.88 | 909.30 | 912.42 | 907.13 | 2,449,556 |
| 2025-10-28 | 926.87 | 930.72 | 920.20 | 924.16 | 918.80 | 2,090,768 |
| 2025-10-27 | 930.21 | 933.20 | 925.12 | 929.85 | 924.46 | 1,967,623 |
| 2025-10-24 | 940.00 | 943.00 | 930.15 | 932.14 | 926.73 | 1,639,373 |
| 2025-10-23 | 945.47 | 945.47 | 934.49 | 942.05 | 936.59 | 1,974,780 |
| 2025-10-22 | 940.00 | 953.00 | 932.50 | 944.68 | 939.20 | 2,372,365 |
| 2025-10-21 | 936.11 | 943.37 | 935.00 | 937.50 | 932.06 | 1,448,215 |
| 2025-10-20 | 936.19 | 939.80 | 931.50 | 936.11 | 930.68 | 1,523,704 |
| 2025-10-17 | 929.58 | 938.82 | 928.15 | 936.33 | 930.90 | 2,502,164 |
| 2025-10-16 | 955.54 | 957.90 | 921.16 | 925.62 | 920.25 | 2,721,426 |
| 2025-10-15 | 946.00 | 964.00 | 945.26 | 954.99 | 949.45 | 2,009,832 |
| 2025-10-14 | 940.26 | 947.42 | 935.95 | 946.51 | 941.02 | 1,925,863 |
| 2025-10-13 | 929.00 | 935.98 | 923.00 | 935.56 | 930.13 | 2,169,648 |
| 2025-10-10 | 944.42 | 945.45 | 929.00 | 930.01 | 924.62 | 3,142,539 |
| 2025-10-09 | 932.31 | 943.77 | 927.28 | 942.89 | 937.42 | 3,742,871 |
| 2025-10-08 | 912.54 | 916.38 | 910.96 | 914.80 | 909.49 | 2,376,942 |
| 2025-10-07 | 908.73 | 917.64 | 903.88 | 914.80 | 909.49 | 2,601,836 |
| 2025-10-06 | 915.50 | 915.78 | 904.25 | 910.94 | 905.66 | 2,503,975 |
| 2025-10-03 | 915.59 | 918.10 | 911.20 | 915.38 | 910.07 | 2,319,199 |
| 2025-10-02 | 912.56 | 918.51 | 910.01 | 916.77 | 911.45 | 2,063,842 |
| 2025-10-01 | 923.00 | 924.00 | 911.17 | 917.34 | 912.02 | 2,642,054 |
| 2025-09-30 | 916.25 | 930.51 | 913.37 | 925.63 | 920.26 | 3,096,697 |
| 2025-09-29 | 916.34 | 917.22 | 903.29 | 916.87 | 911.55 | 4,107,021 |
| 2025-09-26 | 925.55 | 927.63 | 905.05 | 915.95 | 910.64 | 4,812,869 |
| 2025-09-25 | 952.45 | 953.00 | 935.62 | 943.31 | 937.84 | 2,991,526 |
| 2025-09-24 | 944.28 | 953.66 | 943.11 | 945.27 | 939.79 | 2,149,803 |
| 2025-09-23 | 942.76 | 944.99 | 933.50 | 943.60 | 938.13 | 3,258,514 |
| 2025-09-22 | 947.38 | 950.00 | 939.61 | 943.26 | 937.79 | 2,794,337 |
| 2025-09-19 | 955.00 | 957.44 | 943.79 | 951.16 | 945.64 | 4,606,020 |
| 2025-09-18 | 957.37 | 962.54 | 950.67 | 952.36 | 946.84 | 1,860,898 |
| 2025-09-17 | 953.49 | 963.98 | 953.49 | 963.03 | 957.44 | 1,556,773 |
| 2025-09-16 | 959.10 | 959.58 | 950.80 | 952.07 | 946.55 | 2,012,649 |
| 2025-09-15 | 967.82 | 969.74 | 959.71 | 960.10 | 954.53 | 2,199,423 |
| 2025-09-12 | 960.29 | 969.57 | 960.00 | 967.90 | 962.29 | 1,461,618 |
| 2025-09-11 | 957.80 | 965.16 | 954.28 | 964.32 | 958.73 | 1,532,027 |
| 2025-09-10 | 976.39 | 981.00 | 953.96 | 956.29 | 950.74 | 2,277,534 |
| 2025-09-09 | 970.00 | 979.87 | 963.11 | 979.25 | 973.57 | 1,496,835 |
| 2025-09-08 | 963.73 | 972.34 | 958.59 | 971.85 | 966.21 | 1,737,032 |
| 2025-09-05 | 958.71 | 969.55 | 956.22 | 963.48 | 957.89 | 1,928,459 |
| 2025-09-04 | 953.40 | 959.50 | 951.11 | 955.90 | 950.36 | 1,471,872 |
| 2025-09-03 | 939.00 | 950.09 | 936.50 | 949.78 | 944.27 | 1,670,458 |
| 2025-09-02 | 938.66 | 944.51 | 936.58 | 938.82 | 933.37 | 1,793,947 |
| 2025-08-29 | 945.00 | 948.61 | 940.46 | 943.32 | 937.85 | 1,608,954 |
| 2025-08-28 | 950.29 | 951.00 | 944.13 | 944.96 | 939.48 | 2,067,919 |
| 2025-08-27 | 940.49 | 952.00 | 937.22 | 949.52 | 944.01 | 1,893,587 |
| 2025-08-26 | 941.34 | 944.05 | 933.25 | 941.34 | 935.88 | 4,341,253 |
| 2025-08-25 | 954.96 | 958.30 | 940.56 | 941.58 | 936.12 | 2,284,250 |
| 2025-08-22 | 971.54 | 973.50 | 953.11 | 958.54 | 952.98 | 3,135,979 |
| 2025-08-21 | 988.90 | 989.32 | 967.52 | 969.68 | 964.06 | 2,145,629 |
| 2025-08-20 | 979.00 | 999.30 | 979.00 | 994.57 | 988.80 | 2,229,573 |
| 2025-08-19 | 978.62 | 988.53 | 976.79 | 980.85 | 975.16 | 1,673,394 |
| 2025-08-18 | 973.30 | 981.28 | 970.00 | 979.35 | 973.67 | 2,078,489 |
| 2025-08-15 | 979.14 | 980.00 | 967.22 | 972.04 | 966.40 | 1,638,281 |
| 2025-08-14 | 980.60 | 988.29 | 975.18 | 975.39 | 969.73 | 1,808,742 |
| 2025-08-13 | 983.96 | 986.40 | 970.10 | 978.85 | 973.17 | 2,352,567 |
| 2025-08-12 | 988.50 | 991.75 | 980.05 | 991.25 | 985.50 | 1,589,455 |
| 2025-08-11 | 983.16 | 989.58 | 976.32 | 988.74 | 983.00 | 2,290,125 |
| 2025-08-08 | 977.15 | 988.20 | 977.00 | 980.98 | 975.29 | 2,189,701 |
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.