Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2016-10-13 | 149.93 | 151.34 | 149.72 | 150.22 | 126.90 | 1,795,261 |
| 2016-10-12 | 150.97 | 151.49 | 150.39 | 150.46 | 127.10 | 1,664,505 |
| 2016-10-11 | 149.67 | 151.14 | 149.52 | 151.01 | 127.57 | 2,596,769 |
| 2016-10-10 | 150.35 | 150.85 | 149.75 | 150.28 | 126.95 | 1,587,748 |
| 2016-10-07 | 149.77 | 150.19 | 148.79 | 149.99 | 126.71 | 2,282,456 |
| 2016-10-06 | 150.23 | 150.64 | 149.00 | 149.47 | 126.27 | 2,465,730 |
| 2016-10-05 | 150.63 | 150.92 | 149.83 | 149.98 | 126.70 | 2,377,677 |
| 2016-10-04 | 151.47 | 151.62 | 149.49 | 150.48 | 127.12 | 2,840,515 |
| 2016-10-03 | 152.22 | 152.25 | 150.32 | 151.01 | 127.57 | 3,197,870 |
| 2016-09-30 | 151.79 | 154.85 | 151.60 | 152.51 | 128.84 | 7,318,123 |
| 2016-09-29 | 149.19 | 149.69 | 147.20 | 147.49 | 124.59 | 4,501,330 |
| 2016-09-28 | 150.60 | 150.67 | 148.94 | 149.41 | 126.22 | 2,626,347 |
| 2016-09-27 | 151.42 | 151.77 | 150.00 | 150.45 | 127.10 | 2,569,036 |
| 2016-09-26 | 152.08 | 152.28 | 151.01 | 151.19 | 127.72 | 1,862,192 |
| 2016-09-23 | 153.15 | 153.77 | 152.17 | 152.53 | 128.85 | 2,282,062 |
| 2016-09-22 | 153.03 | 154.28 | 152.68 | 153.15 | 129.38 | 2,502,180 |
| 2016-09-21 | 152.59 | 152.90 | 151.25 | 152.70 | 129.00 | 1,535,134 |
| 2016-09-20 | 152.43 | 152.71 | 151.67 | 152.17 | 128.55 | 1,396,739 |
| 2016-09-19 | 152.13 | 153.03 | 151.60 | 151.79 | 128.23 | 1,321,281 |
| 2016-09-16 | 151.96 | 152.66 | 151.14 | 152.35 | 128.70 | 2,841,961 |
| 2016-09-15 | 150.72 | 152.97 | 150.11 | 152.67 | 128.97 | 2,304,866 |
| 2016-09-14 | 150.71 | 152.25 | 150.20 | 150.69 | 127.30 | 2,218,020 |
| 2016-09-13 | 151.18 | 151.58 | 150.07 | 150.74 | 127.34 | 2,148,605 |
| 2016-09-12 | 150.50 | 151.99 | 150.26 | 151.69 | 128.14 | 2,982,397 |
| 2016-09-09 | 152.59 | 152.79 | 150.70 | 150.70 | 127.31 | 2,993,874 |
| 2016-09-08 | 155.19 | 155.49 | 152.94 | 153.47 | 129.65 | 2,993,129 |
| 2016-09-07 | 157.64 | 157.87 | 155.40 | 155.64 | 131.48 | 2,984,148 |
| 2016-09-06 | 158.13 | 158.15 | 156.02 | 158.06 | 133.52 | 2,716,916 |
| 2016-09-02 | 156.81 | 159.28 | 156.80 | 157.98 | 133.46 | 2,678,993 |
| 2016-09-01 | 159.00 | 159.00 | 155.54 | 156.21 | 131.96 | 6,038,471 |
| 2016-08-31 | 161.87 | 162.57 | 161.15 | 162.09 | 136.93 | 1,933,921 |
| 2016-08-30 | 164.07 | 164.28 | 161.74 | 161.96 | 136.82 | 2,010,862 |
| 2016-08-29 | 164.47 | 164.84 | 163.40 | 163.98 | 138.52 | 1,819,224 |
| 2016-08-26 | 165.39 | 165.65 | 163.47 | 163.93 | 138.48 | 2,009,899 |
| 2016-08-25 | 167.20 | 167.41 | 164.64 | 164.86 | 139.27 | 1,817,656 |
| 2016-08-24 | 167.14 | 167.88 | 166.76 | 167.57 | 141.56 | 1,363,847 |
| 2016-08-23 | 168.09 | 168.45 | 167.31 | 167.36 | 141.38 | 1,004,399 |
| 2016-08-22 | 168.34 | 168.69 | 167.62 | 167.94 | 141.87 | 954,979 |
| 2016-08-19 | 167.21 | 168.33 | 167.10 | 168.02 | 141.94 | 1,764,785 |
| 2016-08-18 | 168.42 | 168.71 | 167.20 | 167.75 | 141.71 | 1,353,380 |
| 2016-08-17 | 167.45 | 168.36 | 166.92 | 167.96 | 141.89 | 1,382,531 |
| 2016-08-16 | 167.88 | 168.80 | 167.88 | 168.41 | 142.27 | 1,022,989 |
| 2016-08-15 | 169.04 | 169.27 | 168.59 | 168.73 | 142.54 | 918,631 |
| 2016-08-12 | 167.16 | 169.41 | 167.16 | 169.04 | 142.80 | 1,399,053 |
| 2016-08-11 | 169.11 | 169.59 | 167.33 | 167.88 | 141.82 | 1,498,052 |
| 2016-08-10 | 167.44 | 168.50 | 167.05 | 168.29 | 142.17 | 1,104,292 |
| 2016-08-09 | 167.74 | 168.60 | 166.88 | 167.86 | 141.42 | 1,286,679 |
| 2016-08-08 | 167.25 | 167.55 | 166.47 | 167.40 | 141.03 | 1,294,445 |
| 2016-08-05 | 166.86 | 168.33 | 166.08 | 167.70 | 141.29 | 1,526,578 |
| 2016-08-04 | 166.04 | 167.74 | 165.89 | 166.55 | 140.32 | 1,638,320 |
| 2016-08-03 | 165.92 | 166.33 | 165.10 | 166.12 | 139.96 | 1,837,821 |
| 2016-08-02 | 167.07 | 167.54 | 164.59 | 166.50 | 140.28 | 2,107,487 |
| 2016-08-01 | 167.15 | 168.00 | 166.90 | 167.56 | 141.17 | 986,769 |
| 2016-07-29 | 166.64 | 167.68 | 166.38 | 167.22 | 140.88 | 1,359,664 |
| 2016-07-28 | 166.26 | 166.86 | 165.80 | 166.35 | 140.15 | 1,866,549 |
| 2016-07-27 | 167.16 | 167.50 | 165.75 | 166.15 | 139.98 | 1,439,996 |
| 2016-07-26 | 167.60 | 168.82 | 166.70 | 167.57 | 141.18 | 1,593,919 |
| 2016-07-25 | 167.17 | 168.20 | 166.40 | 167.97 | 141.52 | 1,732,226 |
| 2016-07-22 | 167.68 | 167.70 | 166.96 | 167.47 | 141.09 | 1,335,064 |
| 2016-07-21 | 167.43 | 167.75 | 166.30 | 167.05 | 140.74 | 1,384,561 |
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.