Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2014-11-17 | 137.21 | 138.50 | 137.21 | 138.47 | 111.11 | 1,228,116 |
| 2014-11-14 | 138.93 | 138.93 | 138.07 | 138.48 | 111.12 | 1,598,624 |
| 2014-11-13 | 137.64 | 138.76 | 137.34 | 138.71 | 111.31 | 2,235,941 |
| 2014-11-12 | 136.70 | 137.35 | 136.15 | 136.90 | 109.86 | 1,910,222 |
| 2014-11-11 | 137.78 | 137.95 | 136.66 | 137.05 | 109.69 | 1,495,574 |
| 2014-11-10 | 137.85 | 137.89 | 135.98 | 137.69 | 110.20 | 1,958,039 |
| 2014-11-07 | 137.05 | 137.91 | 136.52 | 137.71 | 110.22 | 1,589,448 |
| 2014-11-06 | 137.39 | 137.67 | 136.60 | 137.09 | 109.72 | 1,685,940 |
| 2014-11-05 | 137.49 | 137.81 | 136.03 | 136.50 | 109.25 | 2,116,797 |
| 2014-11-04 | 134.61 | 136.72 | 133.99 | 136.55 | 109.29 | 2,802,823 |
| 2014-11-03 | 133.82 | 134.29 | 133.37 | 134.27 | 107.47 | 1,949,226 |
| 2014-10-31 | 134.45 | 134.50 | 132.71 | 133.37 | 106.75 | 2,373,896 |
| 2014-10-30 | 131.50 | 133.31 | 131.33 | 133.00 | 106.45 | 1,302,063 |
| 2014-10-29 | 131.29 | 132.00 | 130.93 | 131.93 | 105.59 | 1,705,814 |
| 2014-10-28 | 130.97 | 131.50 | 130.16 | 131.06 | 104.90 | 1,439,800 |
| 2014-10-27 | 129.24 | 131.26 | 129.24 | 130.92 | 104.79 | 1,629,582 |
| 2014-10-24 | 128.58 | 130.54 | 128.56 | 130.44 | 104.40 | 2,490,256 |
| 2014-10-23 | 131.03 | 131.48 | 130.35 | 130.59 | 104.52 | 1,763,755 |
| 2014-10-22 | 130.56 | 131.59 | 130.32 | 130.54 | 104.48 | 1,879,960 |
| 2014-10-21 | 128.94 | 130.65 | 128.17 | 130.28 | 104.27 | 2,105,624 |
| 2014-10-20 | 124.83 | 128.87 | 124.65 | 128.42 | 102.78 | 3,506,170 |
| 2014-10-17 | 123.77 | 125.75 | 123.18 | 124.65 | 99.767 | 3,199,186 |
| 2014-10-16 | 122.68 | 123.85 | 122.05 | 122.95 | 98.407 | 3,543,012 |
| 2014-10-15 | 125.10 | 125.70 | 123.28 | 124.30 | 99.487 | 3,784,798 |
| 2014-10-14 | 127.50 | 127.98 | 125.27 | 126.25 | 101.05 | 4,003,560 |
| 2014-10-13 | 128.57 | 128.85 | 126.89 | 126.97 | 101.62 | 2,446,184 |
| 2014-10-10 | 128.26 | 131.41 | 128.26 | 128.90 | 103.17 | 3,353,581 |
| 2014-10-09 | 128.22 | 130.74 | 128.19 | 128.41 | 102.78 | 2,963,699 |
| 2014-10-08 | 128.20 | 128.95 | 127.16 | 128.73 | 103.03 | 4,266,976 |
| 2014-10-07 | 125.35 | 125.83 | 124.75 | 125.27 | 100.26 | 2,335,221 |
| 2014-10-06 | 127.56 | 127.67 | 125.93 | 126.21 | 101.02 | 1,907,467 |
| 2014-10-03 | 126.20 | 127.65 | 126.01 | 127.09 | 101.72 | 1,770,671 |
| 2014-10-02 | 124.99 | 126.21 | 124.82 | 125.79 | 100.68 | 1,545,842 |
| 2014-10-01 | 125.25 | 125.68 | 124.45 | 124.76 | 99.855 | 1,411,317 |
| 2014-09-30 | 124.86 | 125.60 | 124.77 | 125.32 | 100.30 | 1,666,455 |
| 2014-09-29 | 125.03 | 125.60 | 124.78 | 125.32 | 100.30 | 1,170,981 |
| 2014-09-26 | 125.41 | 125.67 | 124.38 | 125.54 | 100.48 | 2,045,330 |
| 2014-09-25 | 127.45 | 127.55 | 125.60 | 125.66 | 100.58 | 1,819,936 |
| 2014-09-24 | 126.09 | 127.78 | 125.58 | 127.62 | 102.14 | 2,076,388 |
| 2014-09-23 | 125.96 | 125.99 | 125.21 | 125.51 | 100.46 | 1,563,097 |
| 2014-09-22 | 126.37 | 126.50 | 125.58 | 125.83 | 100.71 | 1,453,733 |
| 2014-09-19 | 127.29 | 127.29 | 126.47 | 126.50 | 101.25 | 3,018,637 |
| 2014-09-18 | 126.21 | 126.80 | 125.96 | 126.48 | 101.23 | 1,401,530 |
| 2014-09-17 | 126.03 | 126.56 | 125.67 | 126.01 | 100.86 | 1,593,995 |
| 2014-09-16 | 125.60 | 126.79 | 125.52 | 126.43 | 101.19 | 1,684,380 |
| 2014-09-15 | 125.57 | 126.53 | 125.45 | 125.71 | 100.62 | 1,615,345 |
| 2014-09-12 | 126.25 | 126.25 | 125.02 | 125.37 | 100.34 | 1,598,290 |
| 2014-09-11 | 126.16 | 126.53 | 125.64 | 125.94 | 100.80 | 1,511,168 |
| 2014-09-10 | 126.31 | 126.49 | 125.87 | 126.17 | 100.98 | 1,014,919 |
| 2014-09-09 | 126.14 | 126.49 | 125.74 | 126.11 | 100.94 | 1,500,831 |
| 2014-09-08 | 127.05 | 127.32 | 126.26 | 126.60 | 101.33 | 2,057,440 |
| 2014-09-05 | 125.04 | 127.03 | 124.71 | 127.01 | 101.66 | 2,915,411 |
| 2014-09-04 | 123.00 | 125.17 | 122.56 | 125.15 | 100.17 | 4,448,617 |
| 2014-09-03 | 121.70 | 121.94 | 121.11 | 121.35 | 97.126 | 1,903,538 |
| 2014-09-02 | 121.00 | 121.63 | 120.90 | 121.56 | 97.294 | 1,469,943 |
| 2014-08-29 | 121.68 | 121.68 | 120.58 | 121.08 | 96.910 | 1,047,332 |
| 2014-08-28 | 121.01 | 121.25 | 120.70 | 120.97 | 96.822 | 804,362 |
| 2014-08-27 | 121.58 | 121.58 | 120.83 | 121.24 | 97.038 | 1,028,157 |
| 2014-08-26 | 121.43 | 121.59 | 120.86 | 121.09 | 96.918 | 1,393,169 |
| 2014-08-25 | 121.79 | 122.00 | 121.12 | 121.39 | 97.158 | 1,100,081 |
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.