Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2013-03-21 | 102.85 | 103.97 | 102.68 | 103.52 | 81.483 | 2,216,806 |
| 2013-03-20 | 102.44 | 103.36 | 102.34 | 103.08 | 81.136 | 2,316,362 |
| 2013-03-19 | 101.86 | 102.54 | 101.13 | 102.12 | 80.381 | 2,240,865 |
| 2013-03-18 | 101.34 | 102.01 | 101.01 | 101.68 | 80.034 | 2,137,918 |
| 2013-03-15 | 102.55 | 102.99 | 101.51 | 101.75 | 80.086 | 4,001,882 |
| 2013-03-14 | 103.27 | 104.03 | 102.91 | 102.91 | 81.003 | 2,316,725 |
| 2013-03-13 | 103.99 | 104.19 | 102.91 | 103.42 | 81.404 | 2,459,086 |
| 2013-03-12 | 103.61 | 105.52 | 103.26 | 103.75 | 81.664 | 3,794,946 |
| 2013-03-11 | 103.55 | 103.69 | 102.35 | 102.44 | 80.633 | 2,125,930 |
| 2013-03-08 | 102.58 | 103.26 | 101.86 | 103.04 | 81.105 | 1,550,391 |
| 2013-03-07 | 103.55 | 103.98 | 101.90 | 101.97 | 80.263 | 2,603,259 |
| 2013-03-06 | 103.15 | 103.49 | 102.36 | 102.56 | 80.727 | 1,254,331 |
| 2013-03-05 | 103.68 | 103.88 | 102.75 | 103.15 | 81.191 | 1,611,648 |
| 2013-03-04 | 101.26 | 103.46 | 101.16 | 103.43 | 81.412 | 1,941,972 |
| 2013-03-01 | 100.82 | 101.65 | 100.26 | 101.42 | 79.830 | 1,790,052 |
| 2013-02-28 | 101.07 | 102.37 | 100.79 | 101.29 | 79.727 | 2,213,151 |
| 2013-02-27 | 99.670 | 101.54 | 98.950 | 100.73 | 79.287 | 2,510,976 |
| 2013-02-26 | 100.10 | 100.76 | 99.305 | 99.450 | 78.279 | 2,915,089 |
| 2013-02-25 | 101.64 | 102.13 | 100.06 | 100.09 | 78.783 | 1,643,973 |
| 2013-02-22 | 101.07 | 101.30 | 100.23 | 101.16 | 79.625 | 1,576,132 |
| 2013-02-21 | 101.17 | 101.42 | 100.26 | 100.69 | 79.255 | 2,730,413 |
| 2013-02-20 | 102.18 | 102.63 | 101.05 | 101.08 | 79.562 | 1,915,021 |
| 2013-02-19 | 102.35 | 102.40 | 101.47 | 101.90 | 80.208 | 1,894,174 |
| 2013-02-15 | 101.79 | 103.13 | 101.03 | 102.17 | 80.420 | 4,239,770 |
| 2013-02-14 | 101.04 | 102.06 | 101.01 | 102.02 | 80.302 | 2,211,142 |
| 2013-02-13 | 101.98 | 102.37 | 100.95 | 101.63 | 79.995 | 1,224,573 |
| 2013-02-12 | 102.21 | 102.23 | 101.53 | 101.76 | 80.097 | 1,203,174 |
| 2013-02-11 | 102.87 | 102.94 | 101.76 | 101.99 | 80.278 | 1,457,384 |
| 2013-02-08 | 102.38 | 102.96 | 101.81 | 102.79 | 80.908 | 1,726,389 |
| 2013-02-07 | 101.77 | 102.31 | 101.20 | 101.85 | 80.168 | 3,007,261 |
| 2013-02-06 | 102.88 | 103.19 | 100.94 | 101.70 | 80.050 | 3,192,089 |
| 2013-02-05 | 102.75 | 103.97 | 102.28 | 103.31 | 81.101 | 1,842,399 |
| 2013-02-04 | 104.11 | 104.11 | 102.34 | 102.48 | 80.449 | 1,728,505 |
| 2013-02-01 | 102.89 | 104.35 | 102.59 | 104.15 | 81.760 | 2,315,903 |
| 2013-01-31 | 102.50 | 103.15 | 102.11 | 102.34 | 80.339 | 1,656,297 |
| 2013-01-30 | 103.00 | 103.11 | 102.30 | 102.53 | 80.489 | 1,939,891 |
| 2013-01-29 | 102.15 | 103.53 | 102.10 | 103.36 | 81.140 | 2,073,441 |
| 2013-01-28 | 102.62 | 102.75 | 102.00 | 102.49 | 80.457 | 1,631,667 |
| 2013-01-25 | 102.96 | 103.13 | 102.01 | 102.36 | 80.355 | 1,612,717 |
| 2013-01-24 | 102.39 | 103.53 | 102.29 | 102.89 | 80.771 | 1,515,376 |
| 2013-01-23 | 102.30 | 102.75 | 101.77 | 102.12 | 80.167 | 1,442,796 |
| 2013-01-22 | 101.43 | 102.17 | 101.17 | 102.15 | 80.190 | 2,004,658 |
| 2013-01-18 | 100.90 | 101.45 | 100.62 | 101.20 | 79.445 | 2,341,662 |
| 2013-01-17 | 101.57 | 101.75 | 100.96 | 100.96 | 79.256 | 2,095,350 |
| 2013-01-16 | 100.73 | 101.61 | 100.65 | 101.53 | 79.704 | 1,201,630 |
| 2013-01-15 | 99.850 | 101.52 | 99.810 | 101.15 | 79.405 | 1,725,197 |
| 2013-01-14 | 100.34 | 101.90 | 99.700 | 100.37 | 78.793 | 2,155,035 |
| 2013-01-11 | 101.00 | 101.49 | 100.07 | 100.28 | 78.722 | 2,206,217 |
| 2013-01-10 | 101.35 | 101.50 | 100.13 | 100.74 | 79.083 | 2,328,607 |
| 2013-01-09 | 101.03 | 101.50 | 100.75 | 101.23 | 79.468 | 1,834,305 |
| 2013-01-08 | 101.00 | 101.79 | 100.73 | 101.18 | 79.429 | 2,189,890 |
| 2013-01-07 | 101.09 | 101.73 | 100.90 | 101.37 | 79.578 | 1,663,816 |
| 2013-01-04 | 102.55 | 102.91 | 101.55 | 102.16 | 80.198 | 1,989,762 |
| 2013-01-03 | 102.11 | 103.02 | 101.76 | 102.49 | 80.457 | 3,872,340 |
| 2013-01-02 | 100.60 | 101.45 | 100.22 | 101.45 | 79.641 | 3,153,778 |
| 2012-12-31 | 96.850 | 98.930 | 96.510 | 98.730 | 77.506 | 2,412,706 |
| 2012-12-28 | 97.170 | 97.890 | 96.940 | 96.970 | 76.124 | 1,651,404 |
| 2012-12-27 | 98.520 | 98.720 | 97.130 | 97.920 | 76.870 | 2,057,513 |
| 2012-12-26 | 99.260 | 99.700 | 98.120 | 98.680 | 77.466 | 1,456,401 |
| 2012-12-24 | 99.120 | 99.940 | 98.780 | 99.440 | 78.063 | 937,889 |
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.