Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2017-04-06 | 169.68 | 172.11 | 169.31 | 170.02 | 144.46 | 3,313,816 |
| 2017-04-05 | 167.29 | 168.40 | 166.72 | 167.00 | 141.89 | 1,715,970 |
| 2017-04-04 | 166.60 | 167.32 | 166.11 | 167.25 | 142.10 | 1,322,382 |
| 2017-04-03 | 167.74 | 168.30 | 166.40 | 166.70 | 141.64 | 1,547,889 |
| 2017-03-31 | 167.59 | 168.17 | 167.13 | 167.69 | 142.48 | 1,720,611 |
| 2017-03-30 | 167.30 | 168.18 | 166.76 | 167.89 | 142.65 | 1,034,268 |
| 2017-03-29 | 166.28 | 167.48 | 166.15 | 167.43 | 142.26 | 1,216,734 |
| 2017-03-28 | 166.11 | 167.05 | 165.15 | 166.77 | 141.70 | 1,446,649 |
| 2017-03-27 | 165.53 | 166.32 | 165.32 | 166.15 | 141.17 | 1,212,535 |
| 2017-03-24 | 167.37 | 167.46 | 165.66 | 166.02 | 141.06 | 1,410,390 |
| 2017-03-23 | 168.00 | 168.42 | 166.43 | 166.90 | 141.81 | 1,430,521 |
| 2017-03-22 | 167.32 | 167.97 | 167.04 | 167.68 | 142.47 | 1,534,161 |
| 2017-03-21 | 167.51 | 168.80 | 166.65 | 166.78 | 141.70 | 2,241,868 |
| 2017-03-20 | 167.76 | 168.29 | 166.80 | 167.44 | 142.27 | 1,603,258 |
| 2017-03-17 | 168.06 | 168.35 | 167.07 | 167.81 | 142.58 | 3,975,994 |
| 2017-03-16 | 166.78 | 167.67 | 166.26 | 167.06 | 141.94 | 2,726,624 |
| 2017-03-15 | 165.57 | 166.54 | 164.83 | 166.54 | 141.50 | 2,079,730 |
| 2017-03-14 | 164.21 | 165.32 | 164.10 | 165.24 | 140.40 | 1,974,401 |
| 2017-03-13 | 164.85 | 165.11 | 164.30 | 164.55 | 139.81 | 2,127,879 |
| 2017-03-10 | 166.49 | 166.50 | 164.98 | 165.37 | 140.51 | 2,164,241 |
| 2017-03-09 | 166.40 | 166.79 | 165.12 | 165.77 | 140.85 | 1,993,723 |
| 2017-03-08 | 167.00 | 167.41 | 166.16 | 166.24 | 141.25 | 2,375,904 |
| 2017-03-07 | 166.54 | 168.62 | 166.54 | 167.00 | 141.89 | 2,811,856 |
| 2017-03-06 | 169.41 | 170.33 | 166.11 | 166.73 | 141.66 | 5,793,596 |
| 2017-03-03 | 170.70 | 171.89 | 169.90 | 170.26 | 144.66 | 10,399,050 |
| 2017-03-02 | 177.50 | 178.25 | 176.51 | 177.98 | 151.22 | 3,190,310 |
| 2017-03-01 | 177.37 | 178.71 | 177.22 | 177.86 | 151.12 | 2,352,299 |
| 2017-02-28 | 176.95 | 177.87 | 175.48 | 177.18 | 150.54 | 2,992,097 |
| 2017-02-27 | 177.33 | 177.85 | 176.55 | 177.62 | 150.91 | 2,340,564 |
| 2017-02-24 | 175.22 | 177.71 | 175.12 | 177.56 | 150.86 | 1,684,258 |
| 2017-02-23 | 176.52 | 177.04 | 175.21 | 175.85 | 149.41 | 2,600,432 |
| 2017-02-22 | 177.07 | 177.09 | 175.07 | 176.51 | 149.97 | 1,815,426 |
| 2017-02-21 | 176.55 | 177.00 | 176.00 | 176.94 | 150.34 | 2,317,024 |
| 2017-02-17 | 175.47 | 176.50 | 174.48 | 175.86 | 149.42 | 2,425,236 |
| 2017-02-16 | 175.10 | 175.83 | 174.51 | 175.75 | 149.33 | 2,206,751 |
| 2017-02-15 | 173.18 | 175.00 | 173.06 | 175.00 | 148.69 | 2,346,540 |
| 2017-02-14 | 171.66 | 173.64 | 171.55 | 173.63 | 147.52 | 2,245,114 |
| 2017-02-13 | 172.49 | 172.49 | 170.78 | 171.96 | 146.11 | 2,272,213 |
| 2017-02-10 | 171.65 | 172.27 | 170.27 | 172.00 | 146.14 | 2,070,000 |
| 2017-02-09 | 168.45 | 171.42 | 168.17 | 170.96 | 145.26 | 2,606,898 |
| 2017-02-08 | 167.50 | 168.57 | 167.50 | 168.42 | 143.10 | 2,089,921 |
| 2017-02-07 | 167.53 | 168.08 | 166.53 | 167.52 | 141.95 | 2,732,596 |
| 2017-02-06 | 168.18 | 168.18 | 166.71 | 167.03 | 141.54 | 2,172,824 |
| 2017-02-03 | 167.72 | 168.84 | 167.15 | 168.32 | 142.63 | 3,227,690 |
| 2017-02-02 | 166.84 | 168.88 | 166.16 | 168.15 | 142.48 | 5,816,346 |
| 2017-02-01 | 163.84 | 163.95 | 161.81 | 161.86 | 137.15 | 2,219,682 |
| 2017-01-31 | 162.49 | 164.00 | 162.35 | 163.95 | 138.93 | 1,796,595 |
| 2017-01-30 | 162.03 | 163.29 | 160.60 | 163.25 | 138.33 | 2,149,765 |
| 2017-01-27 | 164.56 | 164.58 | 160.71 | 162.06 | 137.32 | 2,341,141 |
| 2017-01-26 | 164.34 | 164.44 | 163.40 | 164.07 | 139.03 | 1,180,784 |
| 2017-01-25 | 164.20 | 164.75 | 163.90 | 164.14 | 139.09 | 1,299,357 |
| 2017-01-24 | 163.23 | 163.82 | 162.96 | 163.67 | 138.69 | 1,347,570 |
| 2017-01-23 | 164.05 | 164.35 | 162.17 | 163.01 | 138.13 | 1,421,632 |
| 2017-01-20 | 164.39 | 164.77 | 163.23 | 164.24 | 139.17 | 1,897,120 |
| 2017-01-19 | 164.18 | 164.80 | 163.56 | 163.70 | 138.71 | 1,980,659 |
| 2017-01-18 | 163.65 | 164.38 | 162.59 | 164.27 | 139.20 | 1,834,736 |
| 2017-01-17 | 161.85 | 164.25 | 161.67 | 163.81 | 138.81 | 2,430,482 |
| 2017-01-13 | 161.99 | 162.13 | 161.35 | 161.86 | 137.15 | 1,250,214 |
| 2017-01-12 | 161.35 | 161.96 | 160.67 | 161.87 | 137.16 | 1,297,557 |
| 2017-01-11 | 161.47 | 162.38 | 160.35 | 161.54 | 136.88 | 1,378,330 |
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.