Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2019-05-31 | 238.98 | 240.66 | 233.05 | 239.58 | 217.12 | 4,058,490 |
| 2019-05-30 | 242.15 | 243.58 | 240.75 | 241.54 | 218.90 | 2,030,255 |
| 2019-05-29 | 244.13 | 244.77 | 238.91 | 240.69 | 218.13 | 2,594,886 |
| 2019-05-28 | 248.58 | 250.20 | 246.14 | 246.31 | 223.22 | 3,164,140 |
| 2019-05-24 | 249.11 | 249.56 | 246.77 | 247.30 | 224.12 | 1,340,428 |
| 2019-05-23 | 248.63 | 249.92 | 247.18 | 248.53 | 225.23 | 1,822,807 |
| 2019-05-22 | 251.01 | 251.01 | 249.14 | 249.51 | 226.12 | 1,242,294 |
| 2019-05-21 | 249.11 | 250.83 | 248.10 | 249.93 | 226.50 | 1,504,191 |
| 2019-05-20 | 247.15 | 249.94 | 247.15 | 248.90 | 225.57 | 1,600,493 |
| 2019-05-17 | 245.88 | 250.05 | 245.59 | 248.35 | 225.07 | 1,672,148 |
| 2019-05-16 | 245.63 | 249.73 | 245.21 | 247.44 | 224.25 | 1,801,038 |
| 2019-05-15 | 242.11 | 245.40 | 241.23 | 244.67 | 221.74 | 1,194,788 |
| 2019-05-14 | 242.29 | 245.09 | 241.81 | 242.73 | 219.98 | 1,635,179 |
| 2019-05-13 | 244.12 | 244.93 | 240.67 | 241.92 | 219.24 | 1,962,786 |
| 2019-05-10 | 242.94 | 248.55 | 240.03 | 247.02 | 223.87 | 2,036,492 |
| 2019-05-09 | 240.66 | 244.06 | 240.16 | 243.47 | 220.65 | 1,919,368 |
| 2019-05-08 | 239.56 | 243.05 | 238.19 | 241.34 | 218.13 | 1,611,887 |
| 2019-05-07 | 241.72 | 242.74 | 238.22 | 240.18 | 217.08 | 1,775,187 |
| 2019-05-06 | 242.85 | 244.83 | 242.06 | 244.23 | 220.74 | 1,195,175 |
| 2019-05-03 | 243.27 | 244.88 | 242.72 | 244.62 | 221.09 | 905,868 |
| 2019-05-02 | 241.76 | 242.89 | 240.42 | 242.69 | 219.35 | 1,237,645 |
| 2019-05-01 | 245.34 | 245.46 | 241.55 | 241.59 | 218.35 | 1,350,376 |
| 2019-04-30 | 244.77 | 245.79 | 243.02 | 245.53 | 221.92 | 1,427,578 |
| 2019-04-29 | 245.00 | 245.75 | 243.49 | 244.28 | 220.79 | 1,429,707 |
| 2019-04-26 | 245.62 | 245.89 | 242.06 | 243.82 | 220.37 | 1,842,939 |
| 2019-04-25 | 246.21 | 247.15 | 243.94 | 245.60 | 221.98 | 1,278,195 |
| 2019-04-24 | 245.68 | 248.70 | 245.60 | 247.96 | 224.11 | 1,156,425 |
| 2019-04-23 | 244.65 | 246.53 | 242.21 | 245.58 | 221.96 | 1,524,628 |
| 2019-04-22 | 245.19 | 245.77 | 242.56 | 243.42 | 220.01 | 1,300,078 |
| 2019-04-18 | 246.79 | 247.25 | 244.70 | 245.81 | 222.17 | 1,365,116 |
| 2019-04-17 | 246.30 | 246.46 | 244.32 | 245.56 | 221.94 | 1,363,036 |
| 2019-04-16 | 246.65 | 246.82 | 244.25 | 245.34 | 221.74 | 1,360,535 |
| 2019-04-15 | 242.37 | 246.75 | 241.96 | 246.33 | 222.64 | 1,859,679 |
| 2019-04-12 | 241.51 | 242.72 | 240.90 | 241.95 | 218.68 | 2,187,612 |
| 2019-04-11 | 243.62 | 244.18 | 240.92 | 241.24 | 218.04 | 2,719,985 |
| 2019-04-10 | 245.28 | 246.67 | 244.71 | 245.61 | 221.99 | 1,556,647 |
| 2019-04-09 | 245.11 | 245.68 | 244.01 | 244.91 | 221.36 | 1,450,175 |
| 2019-04-08 | 245.99 | 246.83 | 245.20 | 246.52 | 222.81 | 1,244,150 |
| 2019-04-05 | 244.96 | 247.09 | 244.01 | 245.87 | 222.22 | 1,616,207 |
| 2019-04-04 | 242.17 | 244.76 | 241.25 | 244.40 | 220.89 | 1,320,012 |
| 2019-04-03 | 241.69 | 243.55 | 241.02 | 242.48 | 219.16 | 1,663,865 |
| 2019-04-02 | 244.00 | 244.19 | 240.31 | 240.50 | 217.37 | 1,574,327 |
| 2019-04-01 | 243.07 | 244.41 | 242.58 | 244.19 | 220.70 | 1,610,207 |
| 2019-03-29 | 241.66 | 242.44 | 240.77 | 242.14 | 218.85 | 1,967,964 |
| 2019-03-28 | 239.98 | 241.95 | 239.58 | 241.22 | 218.02 | 1,396,657 |
| 2019-03-27 | 238.71 | 240.21 | 238.16 | 239.41 | 216.38 | 1,351,237 |
| 2019-03-26 | 238.00 | 240.25 | 237.36 | 239.07 | 216.08 | 1,193,004 |
| 2019-03-25 | 236.93 | 238.08 | 235.79 | 236.97 | 214.18 | 1,357,121 |
| 2019-03-22 | 239.75 | 240.34 | 236.90 | 237.56 | 214.71 | 1,873,609 |
| 2019-03-21 | 236.68 | 239.85 | 236.55 | 239.54 | 216.50 | 1,617,047 |
| 2019-03-20 | 237.03 | 238.49 | 235.78 | 236.98 | 214.19 | 1,499,470 |
| 2019-03-19 | 237.52 | 238.05 | 236.29 | 237.05 | 214.25 | 1,852,346 |
| 2019-03-18 | 233.58 | 236.68 | 233.49 | 236.59 | 213.84 | 1,735,414 |
| 2019-03-15 | 234.17 | 235.65 | 233.18 | 233.60 | 211.13 | 5,073,781 |
| 2019-03-14 | 236.13 | 236.38 | 233.28 | 233.84 | 211.35 | 2,300,252 |
| 2019-03-13 | 234.25 | 237.45 | 232.95 | 236.38 | 213.65 | 2,421,178 |
| 2019-03-12 | 230.32 | 233.40 | 229.90 | 232.96 | 210.55 | 2,647,259 |
| 2019-03-11 | 227.53 | 229.91 | 227.06 | 229.69 | 207.60 | 3,748,431 |
| 2019-03-08 | 225.48 | 228.70 | 223.77 | 227.82 | 205.91 | 6,782,749 |
| 2019-03-07 | 218.13 | 219.39 | 216.22 | 216.79 | 195.94 | 3,279,102 |
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.