Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2019-03-06 | 220.50 | 221.91 | 218.23 | 219.23 | 198.15 | 1,985,311 |
| 2019-03-05 | 218.91 | 221.61 | 218.90 | 219.82 | 198.68 | 2,160,246 |
| 2019-03-04 | 220.43 | 221.08 | 215.87 | 218.41 | 197.40 | 2,444,661 |
| 2019-03-01 | 219.76 | 220.57 | 215.77 | 219.44 | 198.34 | 2,178,555 |
| 2019-02-28 | 218.49 | 219.69 | 217.52 | 218.74 | 197.70 | 2,055,597 |
| 2019-02-27 | 216.51 | 218.86 | 216.45 | 218.05 | 197.08 | 1,482,708 |
| 2019-02-26 | 216.89 | 218.91 | 216.13 | 217.61 | 196.68 | 1,884,099 |
| 2019-02-25 | 217.37 | 219.09 | 216.55 | 217.05 | 196.17 | 1,794,018 |
| 2019-02-22 | 215.17 | 216.59 | 214.25 | 216.29 | 195.49 | 1,542,501 |
| 2019-02-21 | 216.60 | 216.72 | 214.33 | 215.23 | 194.53 | 1,615,527 |
| 2019-02-20 | 218.23 | 219.07 | 215.06 | 217.11 | 196.23 | 1,785,610 |
| 2019-02-19 | 216.67 | 219.60 | 216.51 | 218.12 | 197.14 | 1,938,119 |
| 2019-02-15 | 215.15 | 217.25 | 214.04 | 216.47 | 195.65 | 2,635,500 |
| 2019-02-14 | 212.00 | 214.55 | 211.14 | 213.84 | 193.27 | 1,411,054 |
| 2019-02-13 | 212.23 | 213.51 | 211.30 | 212.80 | 192.33 | 1,703,041 |
| 2019-02-12 | 210.06 | 212.75 | 209.26 | 211.90 | 191.52 | 2,091,247 |
| 2019-02-11 | 208.65 | 208.92 | 206.76 | 208.72 | 188.65 | 2,376,584 |
| 2019-02-08 | 207.83 | 208.49 | 205.75 | 207.75 | 187.77 | 2,013,683 |
| 2019-02-07 | 210.07 | 210.10 | 206.27 | 209.05 | 188.94 | 2,526,625 |
| 2019-02-06 | 212.26 | 212.26 | 210.48 | 211.60 | 190.73 | 1,618,762 |
| 2019-02-05 | 211.49 | 212.52 | 209.64 | 211.61 | 190.74 | 2,074,517 |
| 2019-02-04 | 210.70 | 211.19 | 207.90 | 211.18 | 190.36 | 1,630,281 |
| 2019-02-01 | 214.00 | 215.00 | 209.37 | 210.27 | 189.54 | 3,453,857 |
| 2019-01-31 | 211.14 | 214.88 | 209.72 | 214.63 | 193.47 | 4,341,129 |
| 2019-01-30 | 210.48 | 212.17 | 209.32 | 211.35 | 190.51 | 1,590,026 |
| 2019-01-29 | 210.32 | 210.54 | 208.57 | 210.31 | 189.57 | 1,636,487 |
| 2019-01-28 | 208.68 | 210.79 | 207.31 | 210.77 | 189.99 | 1,999,432 |
| 2019-01-25 | 212.03 | 212.32 | 208.74 | 209.07 | 188.45 | 2,252,889 |
| 2019-01-24 | 212.39 | 212.39 | 208.90 | 210.31 | 189.57 | 1,994,413 |
| 2019-01-23 | 213.00 | 214.85 | 210.00 | 212.09 | 191.18 | 2,220,161 |
| 2019-01-22 | 213.00 | 215.56 | 210.80 | 212.40 | 191.45 | 3,310,793 |
| 2019-01-18 | 212.56 | 214.16 | 211.77 | 213.59 | 192.53 | 2,115,355 |
| 2019-01-17 | 209.87 | 211.65 | 209.65 | 211.46 | 190.61 | 1,517,058 |
| 2019-01-16 | 211.46 | 211.46 | 209.50 | 210.18 | 189.45 | 1,455,042 |
| 2019-01-15 | 210.04 | 211.34 | 209.08 | 211.03 | 190.22 | 1,681,846 |
| 2019-01-14 | 209.47 | 210.65 | 208.16 | 209.00 | 188.39 | 1,523,315 |
| 2019-01-11 | 210.04 | 211.25 | 209.31 | 210.51 | 189.75 | 1,861,225 |
| 2019-01-10 | 208.15 | 210.90 | 206.00 | 210.64 | 189.87 | 2,340,657 |
| 2019-01-09 | 209.15 | 211.22 | 207.92 | 209.90 | 189.20 | 1,862,926 |
| 2019-01-08 | 208.65 | 209.08 | 204.18 | 208.55 | 187.98 | 2,366,493 |
| 2019-01-07 | 205.52 | 209.12 | 203.54 | 207.00 | 186.59 | 2,226,738 |
| 2019-01-04 | 203.08 | 207.93 | 201.45 | 206.24 | 185.90 | 2,761,611 |
| 2019-01-03 | 203.70 | 205.94 | 200.04 | 200.42 | 180.66 | 2,877,745 |
| 2019-01-02 | 200.50 | 205.10 | 199.85 | 204.76 | 184.57 | 2,143,091 |
| 2018-12-31 | 203.38 | 204.39 | 201.38 | 203.71 | 183.62 | 1,729,647 |
| 2018-12-28 | 201.82 | 204.95 | 199.59 | 202.04 | 182.12 | 2,037,917 |
| 2018-12-27 | 196.96 | 201.13 | 193.96 | 201.08 | 181.25 | 2,705,884 |
| 2018-12-26 | 190.82 | 198.78 | 189.51 | 198.63 | 179.04 | 3,268,831 |
| 2018-12-24 | 193.90 | 195.33 | 189.80 | 189.99 | 171.25 | 2,031,705 |
| 2018-12-21 | 197.16 | 200.70 | 194.32 | 194.52 | 175.34 | 5,080,238 |
| 2018-12-20 | 200.33 | 200.70 | 193.68 | 197.13 | 177.69 | 4,250,942 |
| 2018-12-19 | 203.50 | 207.00 | 199.86 | 201.41 | 181.55 | 3,369,592 |
| 2018-12-18 | 203.09 | 204.67 | 201.57 | 202.99 | 182.97 | 3,308,488 |
| 2018-12-17 | 206.68 | 208.00 | 200.66 | 202.23 | 182.29 | 4,739,434 |
| 2018-12-14 | 218.00 | 219.00 | 205.51 | 207.06 | 186.64 | 8,822,269 |
| 2018-12-13 | 228.84 | 229.62 | 225.48 | 226.51 | 204.17 | 2,170,188 |
| 2018-12-12 | 228.35 | 230.45 | 227.07 | 227.80 | 205.34 | 2,891,394 |
| 2018-12-11 | 225.12 | 227.25 | 224.00 | 226.50 | 204.16 | 2,466,780 |
| 2018-12-10 | 224.54 | 225.20 | 219.11 | 222.66 | 200.70 | 2,649,984 |
| 2018-12-07 | 233.15 | 233.81 | 223.03 | 224.86 | 202.69 | 2,881,911 |
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.