Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2014-03-05 | 116.57 | 116.95 | 115.81 | 116.47 | 92.655 | 2,320,202 |
| 2014-03-04 | 116.61 | 116.91 | 115.85 | 116.65 | 92.798 | 1,810,584 |
| 2014-03-03 | 116.22 | 117.07 | 115.11 | 115.75 | 92.082 | 1,672,811 |
| 2014-02-28 | 116.50 | 117.47 | 115.89 | 116.80 | 92.917 | 2,106,177 |
| 2014-02-27 | 116.03 | 116.42 | 115.28 | 116.22 | 92.456 | 1,374,462 |
| 2014-02-26 | 115.50 | 116.83 | 115.37 | 115.88 | 92.185 | 1,926,823 |
| 2014-02-25 | 114.00 | 115.89 | 114.00 | 115.46 | 91.851 | 1,935,430 |
| 2014-02-24 | 113.46 | 114.81 | 113.20 | 113.94 | 90.642 | 2,285,392 |
| 2014-02-21 | 115.40 | 115.49 | 112.92 | 113.19 | 90.045 | 3,659,545 |
| 2014-02-20 | 114.57 | 115.55 | 113.88 | 115.06 | 91.533 | 1,837,090 |
| 2014-02-19 | 115.11 | 115.30 | 114.27 | 114.91 | 91.414 | 1,804,724 |
| 2014-02-18 | 116.30 | 116.41 | 114.92 | 115.36 | 91.772 | 2,062,002 |
| 2014-02-14 | 115.16 | 116.49 | 114.50 | 116.10 | 92.360 | 1,520,003 |
| 2014-02-13 | 114.14 | 115.93 | 114.14 | 115.81 | 92.130 | 1,587,102 |
| 2014-02-12 | 114.88 | 115.43 | 114.30 | 114.81 | 91.334 | 1,737,694 |
| 2014-02-11 | 113.91 | 115.15 | 113.50 | 114.99 | 91.231 | 1,778,347 |
| 2014-02-10 | 114.04 | 114.10 | 112.58 | 113.85 | 90.326 | 1,871,796 |
| 2014-02-07 | 114.08 | 114.61 | 113.38 | 114.04 | 90.477 | 2,198,514 |
| 2014-02-06 | 113.01 | 114.58 | 113.00 | 114.26 | 90.651 | 3,755,143 |
| 2014-02-05 | 110.22 | 110.80 | 109.80 | 110.51 | 87.676 | 2,374,212 |
| 2014-02-04 | 110.73 | 111.33 | 109.50 | 110.89 | 87.978 | 2,529,624 |
| 2014-02-03 | 112.96 | 113.00 | 110.05 | 110.18 | 87.414 | 3,121,170 |
| 2014-01-31 | 111.29 | 113.28 | 111.13 | 112.36 | 89.144 | 2,146,024 |
| 2014-01-30 | 112.75 | 113.49 | 112.09 | 112.73 | 89.438 | 1,629,387 |
| 2014-01-29 | 114.05 | 114.19 | 112.11 | 112.23 | 89.041 | 2,356,365 |
| 2014-01-28 | 113.53 | 114.76 | 113.44 | 114.38 | 90.747 | 2,367,521 |
| 2014-01-27 | 112.56 | 113.73 | 112.03 | 113.08 | 89.715 | 3,790,471 |
| 2014-01-24 | 112.69 | 112.87 | 111.92 | 112.13 | 88.962 | 3,203,790 |
| 2014-01-23 | 113.50 | 113.53 | 112.40 | 112.80 | 89.493 | 2,168,058 |
| 2014-01-22 | 115.01 | 115.16 | 113.69 | 113.75 | 90.247 | 2,507,507 |
| 2014-01-21 | 115.61 | 116.11 | 114.84 | 114.93 | 91.183 | 2,110,841 |
| 2014-01-17 | 115.60 | 116.61 | 115.43 | 116.29 | 92.262 | 2,708,082 |
| 2014-01-16 | 116.44 | 116.47 | 115.30 | 115.56 | 91.683 | 1,938,349 |
| 2014-01-15 | 116.07 | 116.69 | 115.25 | 116.24 | 92.222 | 1,847,624 |
| 2014-01-14 | 115.20 | 116.83 | 115.12 | 116.23 | 92.214 | 2,320,831 |
| 2014-01-13 | 117.06 | 117.53 | 114.58 | 114.77 | 91.056 | 3,168,867 |
| 2014-01-10 | 118.20 | 118.65 | 116.66 | 117.85 | 93.500 | 2,790,333 |
| 2014-01-09 | 116.20 | 119.10 | 114.05 | 118.51 | 94.023 | 5,763,123 |
| 2014-01-08 | 116.04 | 116.04 | 113.92 | 114.05 | 90.485 | 4,602,924 |
| 2014-01-07 | 116.39 | 116.56 | 115.38 | 115.86 | 91.921 | 2,292,582 |
| 2014-01-06 | 117.49 | 117.75 | 115.89 | 116.40 | 92.349 | 2,120,218 |
| 2014-01-03 | 118.21 | 118.36 | 117.13 | 117.29 | 93.055 | 1,293,522 |
| 2014-01-02 | 118.71 | 119.30 | 117.74 | 117.81 | 93.468 | 1,618,678 |
| 2013-12-31 | 119.19 | 119.71 | 118.71 | 119.02 | 94.428 | 1,181,876 |
| 2013-12-30 | 118.95 | 119.37 | 118.57 | 118.77 | 94.230 | 812,878 |
| 2013-12-27 | 118.87 | 119.31 | 118.25 | 118.53 | 94.039 | 995,231 |
| 2013-12-26 | 118.68 | 119.11 | 118.59 | 118.63 | 94.119 | 1,169,900 |
| 2013-12-24 | 118.69 | 118.85 | 118.18 | 118.69 | 94.166 | 612,519 |
| 2013-12-23 | 119.10 | 119.13 | 118.13 | 118.69 | 94.166 | 1,181,616 |
| 2013-12-20 | 117.69 | 119.05 | 117.69 | 118.53 | 94.039 | 3,007,216 |
| 2013-12-19 | 117.84 | 118.44 | 117.25 | 117.99 | 93.611 | 2,339,343 |
| 2013-12-18 | 117.78 | 118.60 | 115.85 | 118.50 | 94.015 | 3,168,050 |
| 2013-12-17 | 118.17 | 118.36 | 117.02 | 117.55 | 93.262 | 1,724,393 |
| 2013-12-16 | 117.92 | 118.90 | 117.53 | 118.00 | 93.619 | 2,069,632 |
| 2013-12-13 | 119.01 | 119.05 | 117.41 | 117.91 | 93.547 | 1,722,740 |
| 2013-12-12 | 118.52 | 119.40 | 118.10 | 118.22 | 93.793 | 2,023,730 |
| 2013-12-11 | 118.10 | 120.30 | 116.97 | 118.57 | 94.071 | 6,113,552 |
| 2013-12-10 | 121.19 | 121.48 | 119.97 | 120.04 | 95.237 | 3,170,567 |
| 2013-12-09 | 122.82 | 122.84 | 121.38 | 121.66 | 96.522 | 2,193,212 |
| 2013-12-06 | 122.00 | 122.15 | 121.02 | 122.06 | 96.840 | 1,736,801 |
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.