Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2013-06-17 | 111.75 | 112.50 | 110.94 | 111.70 | 88.167 | 1,441,715 |
| 2013-06-14 | 110.37 | 111.62 | 110.33 | 111.00 | 87.614 | 1,317,916 |
| 2013-06-13 | 109.17 | 111.14 | 109.02 | 110.88 | 87.519 | 1,230,494 |
| 2013-06-12 | 110.75 | 110.82 | 109.11 | 109.40 | 86.351 | 1,320,285 |
| 2013-06-11 | 109.75 | 111.00 | 109.52 | 110.02 | 86.841 | 1,066,500 |
| 2013-06-10 | 110.93 | 111.03 | 109.64 | 110.31 | 87.070 | 1,563,896 |
| 2013-06-07 | 111.24 | 111.95 | 110.17 | 110.58 | 87.283 | 2,013,338 |
| 2013-06-06 | 109.54 | 111.13 | 109.38 | 111.09 | 87.685 | 2,187,533 |
| 2013-06-05 | 110.12 | 110.59 | 108.88 | 109.17 | 86.170 | 2,018,394 |
| 2013-06-04 | 110.86 | 111.81 | 109.90 | 110.66 | 87.346 | 1,855,182 |
| 2013-06-03 | 109.92 | 111.05 | 108.57 | 110.88 | 87.519 | 2,341,513 |
| 2013-05-31 | 112.12 | 112.74 | 109.63 | 109.63 | 86.534 | 3,537,742 |
| 2013-05-30 | 114.28 | 115.49 | 111.87 | 111.88 | 88.309 | 3,460,554 |
| 2013-05-29 | 114.53 | 114.66 | 112.74 | 112.95 | 89.153 | 1,836,506 |
| 2013-05-28 | 115.10 | 115.77 | 114.03 | 114.83 | 90.637 | 2,693,666 |
| 2013-05-24 | 112.48 | 114.69 | 112.25 | 114.39 | 90.290 | 1,769,795 |
| 2013-05-23 | 112.73 | 114.20 | 111.85 | 113.19 | 89.343 | 2,243,226 |
| 2013-05-22 | 113.33 | 114.72 | 112.93 | 113.38 | 89.493 | 2,524,281 |
| 2013-05-21 | 112.48 | 113.96 | 112.21 | 113.48 | 89.572 | 1,946,099 |
| 2013-05-20 | 113.06 | 113.13 | 111.95 | 112.02 | 88.419 | 1,664,408 |
| 2013-05-17 | 112.21 | 113.19 | 111.64 | 113.05 | 89.232 | 1,678,219 |
| 2013-05-16 | 112.59 | 113.00 | 111.22 | 111.51 | 88.017 | 1,533,529 |
| 2013-05-15 | 110.86 | 112.95 | 110.69 | 112.82 | 89.051 | 1,810,723 |
| 2013-05-14 | 110.29 | 111.72 | 109.89 | 111.39 | 87.677 | 1,932,706 |
| 2013-05-13 | 109.69 | 110.33 | 109.60 | 110.01 | 86.591 | 1,246,524 |
| 2013-05-10 | 109.41 | 110.16 | 109.17 | 109.99 | 86.575 | 1,239,598 |
| 2013-05-09 | 109.88 | 110.16 | 108.88 | 109.14 | 85.906 | 1,306,233 |
| 2013-05-08 | 109.90 | 110.25 | 109.40 | 109.61 | 86.276 | 863,785 |
| 2013-05-07 | 109.02 | 109.78 | 108.66 | 109.71 | 86.355 | 1,617,338 |
| 2013-05-06 | 109.71 | 110.25 | 109.03 | 109.09 | 85.867 | 1,112,698 |
| 2013-05-03 | 109.93 | 110.41 | 109.01 | 109.75 | 86.386 | 1,407,584 |
| 2013-05-02 | 108.17 | 109.29 | 107.72 | 108.69 | 85.552 | 1,442,844 |
| 2013-05-01 | 108.13 | 109.00 | 107.96 | 108.22 | 85.182 | 1,199,392 |
| 2013-04-30 | 108.12 | 108.57 | 107.68 | 108.43 | 85.347 | 1,561,968 |
| 2013-04-29 | 109.30 | 109.47 | 108.47 | 108.63 | 85.505 | 1,728,260 |
| 2013-04-26 | 108.90 | 109.75 | 108.38 | 109.27 | 86.009 | 2,146,663 |
| 2013-04-25 | 108.35 | 109.34 | 107.80 | 109.13 | 85.898 | 1,848,291 |
| 2013-04-24 | 107.46 | 108.35 | 107.30 | 107.83 | 84.875 | 2,234,212 |
| 2013-04-23 | 105.74 | 107.35 | 105.54 | 107.25 | 84.419 | 1,731,263 |
| 2013-04-22 | 104.43 | 105.78 | 104.27 | 105.16 | 82.774 | 2,048,310 |
| 2013-04-19 | 103.20 | 104.65 | 103.20 | 104.45 | 82.215 | 2,215,523 |
| 2013-04-18 | 104.76 | 105.12 | 103.33 | 103.61 | 81.554 | 1,854,230 |
| 2013-04-17 | 104.77 | 105.25 | 104.34 | 104.77 | 82.467 | 1,882,584 |
| 2013-04-16 | 104.73 | 105.79 | 104.55 | 105.55 | 83.081 | 2,796,434 |
| 2013-04-15 | 105.45 | 106.22 | 104.13 | 104.21 | 82.026 | 1,818,326 |
| 2013-04-12 | 106.14 | 106.79 | 105.65 | 106.13 | 83.537 | 1,437,668 |
| 2013-04-11 | 105.88 | 106.40 | 105.19 | 106.01 | 83.443 | 2,319,396 |
| 2013-04-10 | 105.73 | 106.52 | 105.53 | 105.75 | 83.238 | 1,757,155 |
| 2013-04-09 | 107.25 | 107.28 | 105.59 | 105.79 | 83.269 | 1,950,111 |
| 2013-04-08 | 106.45 | 107.09 | 105.87 | 107.04 | 84.253 | 1,077,621 |
| 2013-04-05 | 105.30 | 105.97 | 104.45 | 105.80 | 83.277 | 1,678,824 |
| 2013-04-04 | 106.26 | 106.89 | 105.46 | 106.36 | 83.718 | 1,575,701 |
| 2013-04-03 | 107.50 | 107.74 | 106.00 | 106.36 | 83.718 | 1,833,127 |
| 2013-04-02 | 106.27 | 107.75 | 106.03 | 107.68 | 84.757 | 1,831,836 |
| 2013-04-01 | 106.00 | 106.59 | 105.38 | 105.81 | 83.285 | 1,006,372 |
| 2013-03-28 | 106.66 | 107.06 | 105.61 | 106.11 | 83.521 | 1,672,884 |
| 2013-03-27 | 105.24 | 106.77 | 105.04 | 106.64 | 83.939 | 1,971,457 |
| 2013-03-26 | 105.69 | 106.01 | 105.44 | 105.97 | 83.411 | 1,452,885 |
| 2013-03-25 | 105.19 | 105.77 | 104.56 | 105.47 | 83.018 | 2,315,240 |
| 2013-03-22 | 103.46 | 105.12 | 103.44 | 105.11 | 82.734 | 2,036,080 |
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.