Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2014-05-29 | 114.58 | 115.19 | 113.51 | 114.14 | 91.079 | 2,976,908 |
| 2014-05-28 | 114.00 | 114.95 | 113.96 | 114.24 | 91.159 | 2,391,409 |
| 2014-05-27 | 115.00 | 115.22 | 113.62 | 113.87 | 90.864 | 2,583,867 |
| 2014-05-23 | 115.07 | 115.15 | 114.51 | 114.94 | 91.717 | 1,103,053 |
| 2014-05-22 | 114.53 | 115.00 | 114.40 | 114.73 | 91.550 | 1,059,931 |
| 2014-05-21 | 115.10 | 115.32 | 114.16 | 114.52 | 91.382 | 1,712,718 |
| 2014-05-20 | 115.79 | 116.11 | 114.98 | 115.13 | 91.869 | 2,127,085 |
| 2014-05-19 | 115.09 | 116.55 | 114.87 | 116.37 | 92.859 | 2,212,762 |
| 2014-05-16 | 114.58 | 115.82 | 114.36 | 115.61 | 92.252 | 2,146,282 |
| 2014-05-15 | 114.76 | 114.80 | 113.62 | 114.35 | 91.247 | 1,890,968 |
| 2014-05-14 | 115.73 | 116.10 | 114.86 | 115.13 | 91.869 | 1,255,293 |
| 2014-05-13 | 116.32 | 116.60 | 116.08 | 116.29 | 92.511 | 1,229,433 |
| 2014-05-12 | 115.78 | 116.91 | 115.58 | 116.51 | 92.686 | 1,940,724 |
| 2014-05-09 | 114.55 | 115.67 | 114.30 | 115.39 | 91.795 | 1,954,566 |
| 2014-05-08 | 113.08 | 114.82 | 112.97 | 114.73 | 91.270 | 2,557,564 |
| 2014-05-07 | 112.83 | 113.09 | 111.61 | 111.98 | 89.083 | 2,951,813 |
| 2014-05-06 | 114.28 | 114.49 | 112.77 | 112.83 | 89.759 | 1,945,691 |
| 2014-05-05 | 115.06 | 115.06 | 113.93 | 114.49 | 91.079 | 1,397,980 |
| 2014-05-02 | 116.14 | 116.14 | 115.06 | 115.15 | 91.605 | 1,321,116 |
| 2014-05-01 | 115.68 | 116.00 | 114.94 | 115.56 | 91.931 | 1,167,950 |
| 2014-04-30 | 115.04 | 115.76 | 114.76 | 115.68 | 92.026 | 1,633,995 |
| 2014-04-29 | 115.38 | 115.95 | 115.16 | 115.40 | 91.803 | 1,580,555 |
| 2014-04-28 | 115.10 | 116.61 | 115.10 | 115.59 | 91.955 | 3,018,758 |
| 2014-04-25 | 114.85 | 115.30 | 114.20 | 115.01 | 91.493 | 1,721,552 |
| 2014-04-24 | 114.90 | 115.31 | 114.14 | 115.03 | 91.509 | 1,939,330 |
| 2014-04-23 | 113.48 | 114.99 | 113.33 | 114.79 | 91.318 | 1,999,296 |
| 2014-04-22 | 114.00 | 114.23 | 113.51 | 113.56 | 90.340 | 2,315,142 |
| 2014-04-21 | 113.51 | 114.10 | 113.40 | 114.10 | 90.769 | 1,826,836 |
| 2014-04-17 | 113.52 | 114.03 | 113.12 | 113.50 | 90.292 | 1,659,126 |
| 2014-04-16 | 112.80 | 113.64 | 112.27 | 113.49 | 90.284 | 2,455,027 |
| 2014-04-15 | 112.58 | 112.96 | 111.45 | 112.06 | 89.146 | 2,130,181 |
| 2014-04-14 | 112.49 | 113.00 | 111.53 | 112.56 | 89.544 | 2,518,969 |
| 2014-04-11 | 111.44 | 112.78 | 111.40 | 112.08 | 89.162 | 3,098,466 |
| 2014-04-10 | 114.12 | 114.44 | 111.94 | 112.08 | 89.162 | 3,305,094 |
| 2014-04-09 | 112.72 | 113.14 | 112.11 | 113.05 | 89.934 | 2,899,623 |
| 2014-04-08 | 110.56 | 112.74 | 110.38 | 112.66 | 89.624 | 3,863,906 |
| 2014-04-07 | 110.73 | 111.13 | 110.36 | 110.79 | 88.135 | 3,119,749 |
| 2014-04-04 | 111.95 | 112.00 | 110.63 | 110.65 | 88.025 | 2,722,053 |
| 2014-04-03 | 111.74 | 112.15 | 111.28 | 111.70 | 88.860 | 2,329,649 |
| 2014-04-02 | 111.90 | 112.01 | 110.94 | 111.55 | 88.741 | 3,296,836 |
| 2014-04-01 | 112.21 | 112.55 | 111.51 | 111.86 | 88.987 | 2,566,752 |
| 2014-03-31 | 111.94 | 112.28 | 111.57 | 111.68 | 88.844 | 2,119,603 |
| 2014-03-28 | 112.35 | 112.79 | 111.15 | 111.66 | 88.828 | 2,795,496 |
| 2014-03-27 | 112.50 | 112.94 | 111.82 | 112.03 | 89.122 | 2,042,713 |
| 2014-03-26 | 114.28 | 114.47 | 112.46 | 112.49 | 89.488 | 1,912,278 |
| 2014-03-25 | 113.82 | 114.46 | 113.79 | 113.93 | 90.634 | 2,202,127 |
| 2014-03-24 | 113.99 | 114.00 | 112.89 | 113.37 | 90.188 | 2,501,669 |
| 2014-03-21 | 114.41 | 114.58 | 113.30 | 113.83 | 90.554 | 4,442,274 |
| 2014-03-20 | 112.56 | 113.22 | 112.13 | 113.16 | 90.021 | 1,408,202 |
| 2014-03-19 | 113.54 | 114.25 | 112.46 | 112.85 | 89.775 | 1,635,636 |
| 2014-03-18 | 113.90 | 114.12 | 113.02 | 113.85 | 90.570 | 2,501,020 |
| 2014-03-17 | 114.14 | 114.46 | 113.39 | 113.46 | 90.260 | 2,190,456 |
| 2014-03-14 | 114.95 | 114.95 | 113.33 | 113.45 | 90.252 | 2,293,362 |
| 2014-03-13 | 115.66 | 115.79 | 114.19 | 114.41 | 91.016 | 2,519,618 |
| 2014-03-12 | 114.39 | 115.62 | 114.25 | 115.21 | 91.652 | 2,177,956 |
| 2014-03-11 | 114.56 | 114.75 | 113.92 | 114.71 | 91.254 | 2,201,836 |
| 2014-03-10 | 113.21 | 114.59 | 113.00 | 114.59 | 91.159 | 2,325,219 |
| 2014-03-07 | 113.80 | 114.01 | 113.14 | 113.50 | 90.292 | 2,906,694 |
| 2014-03-06 | 113.15 | 114.64 | 112.27 | 113.26 | 90.101 | 8,925,347 |
| 2014-03-05 | 116.57 | 116.95 | 115.81 | 116.47 | 92.655 | 2,320,202 |
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.