Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2017-07-03 | 160.21 | 160.53 | 158.69 | 158.82 | 140.80 | 1,995,074 |
| 2017-06-30 | 159.60 | 160.54 | 158.79 | 159.93 | 141.79 | 4,755,064 |
| 2017-06-29 | 160.21 | 160.47 | 157.80 | 158.68 | 140.68 | 3,664,213 |
| 2017-06-28 | 159.59 | 160.50 | 159.50 | 160.17 | 142.00 | 3,234,405 |
| 2017-06-27 | 160.66 | 161.55 | 159.20 | 159.26 | 141.19 | 5,533,814 |
| 2017-06-26 | 158.15 | 160.99 | 158.10 | 160.20 | 142.03 | 6,473,925 |
| 2017-06-23 | 159.40 | 159.80 | 156.56 | 157.13 | 139.30 | 9,506,672 |
| 2017-06-22 | 163.17 | 163.30 | 159.01 | 159.79 | 141.66 | 8,043,063 |
| 2017-06-21 | 163.49 | 163.77 | 162.75 | 163.15 | 144.64 | 3,421,726 |
| 2017-06-20 | 165.50 | 165.50 | 162.43 | 162.90 | 144.42 | 7,337,590 |
| 2017-06-19 | 167.05 | 167.38 | 162.39 | 164.34 | 145.70 | 13,809,120 |
| 2017-06-16 | 170.40 | 170.60 | 165.00 | 167.11 | 148.15 | 24,232,990 |
| 2017-06-15 | 180.39 | 181.33 | 178.37 | 180.06 | 159.63 | 1,754,352 |
| 2017-06-14 | 180.83 | 181.96 | 180.23 | 181.67 | 161.06 | 1,440,439 |
| 2017-06-13 | 179.90 | 180.79 | 179.03 | 180.51 | 160.03 | 1,745,411 |
| 2017-06-12 | 179.58 | 180.87 | 178.79 | 179.64 | 159.26 | 2,395,166 |
| 2017-06-09 | 181.71 | 181.93 | 179.92 | 180.38 | 159.92 | 2,167,587 |
| 2017-06-08 | 181.92 | 182.50 | 180.84 | 181.41 | 160.83 | 1,823,550 |
| 2017-06-07 | 181.44 | 182.24 | 181.14 | 182.20 | 161.53 | 1,246,183 |
| 2017-06-06 | 181.70 | 182.72 | 181.01 | 181.45 | 160.87 | 2,248,876 |
| 2017-06-05 | 181.10 | 182.21 | 180.60 | 182.08 | 161.42 | 1,561,084 |
| 2017-06-02 | 180.58 | 181.25 | 179.87 | 180.97 | 160.44 | 2,239,915 |
| 2017-06-01 | 180.81 | 181.10 | 179.86 | 180.63 | 160.14 | 2,028,321 |
| 2017-05-31 | 179.24 | 180.47 | 178.78 | 180.43 | 159.96 | 2,456,666 |
| 2017-05-30 | 177.68 | 179.39 | 177.50 | 178.92 | 158.62 | 2,086,293 |
| 2017-05-26 | 180.25 | 180.34 | 177.52 | 177.86 | 157.68 | 4,471,282 |
| 2017-05-25 | 173.47 | 175.05 | 173.30 | 174.73 | 154.91 | 2,726,932 |
| 2017-05-24 | 172.95 | 173.13 | 171.80 | 173.01 | 153.38 | 1,426,542 |
| 2017-05-23 | 172.97 | 173.54 | 172.32 | 172.47 | 152.90 | 1,788,090 |
| 2017-05-22 | 172.24 | 173.24 | 171.63 | 172.40 | 152.84 | 1,594,088 |
| 2017-05-19 | 171.35 | 172.43 | 170.81 | 171.64 | 152.17 | 1,871,760 |
| 2017-05-18 | 170.08 | 171.02 | 169.69 | 170.72 | 151.35 | 1,589,679 |
| 2017-05-17 | 170.66 | 171.50 | 169.06 | 169.15 | 149.96 | 2,202,200 |
| 2017-05-16 | 171.96 | 171.96 | 170.63 | 171.00 | 151.60 | 1,129,191 |
| 2017-05-15 | 170.30 | 171.98 | 170.30 | 171.57 | 152.11 | 1,734,244 |
| 2017-05-12 | 171.29 | 171.85 | 170.32 | 170.88 | 151.49 | 1,586,827 |
| 2017-05-11 | 170.78 | 171.55 | 170.10 | 171.26 | 151.83 | 2,106,222 |
| 2017-05-10 | 172.03 | 172.09 | 170.66 | 171.35 | 151.91 | 2,554,451 |
| 2017-05-09 | 173.61 | 173.92 | 172.31 | 172.68 | 152.65 | 2,662,097 |
| 2017-05-08 | 174.66 | 174.70 | 171.60 | 172.64 | 152.61 | 3,537,972 |
| 2017-05-05 | 182.77 | 182.92 | 179.76 | 180.20 | 153.11 | 3,713,637 |
| 2017-05-04 | 180.05 | 183.18 | 180.00 | 182.45 | 155.02 | 3,762,176 |
| 2017-05-03 | 178.74 | 180.46 | 178.70 | 179.82 | 152.78 | 2,900,509 |
| 2017-05-02 | 178.72 | 178.94 | 177.94 | 178.59 | 151.74 | 2,505,281 |
| 2017-05-01 | 178.50 | 178.50 | 177.33 | 177.86 | 151.12 | 3,327,999 |
| 2017-04-28 | 178.07 | 178.07 | 176.93 | 177.52 | 150.83 | 2,364,453 |
| 2017-04-27 | 177.32 | 177.79 | 176.42 | 177.45 | 150.77 | 2,148,728 |
| 2017-04-26 | 178.05 | 178.27 | 175.42 | 176.80 | 150.22 | 4,591,294 |
| 2017-04-25 | 172.91 | 173.04 | 172.29 | 172.68 | 146.72 | 1,503,041 |
| 2017-04-24 | 172.00 | 172.61 | 171.33 | 172.33 | 146.42 | 1,906,902 |
| 2017-04-21 | 171.52 | 171.88 | 170.64 | 170.77 | 145.09 | 2,257,925 |
| 2017-04-20 | 170.33 | 171.18 | 169.95 | 170.15 | 144.57 | 1,933,622 |
| 2017-04-19 | 170.88 | 170.93 | 169.82 | 170.06 | 144.49 | 1,441,284 |
| 2017-04-18 | 170.05 | 170.32 | 169.47 | 170.13 | 144.55 | 1,542,663 |
| 2017-04-17 | 168.77 | 169.75 | 168.71 | 169.70 | 144.19 | 1,504,237 |
| 2017-04-13 | 170.05 | 170.62 | 168.80 | 168.84 | 143.45 | 1,422,469 |
| 2017-04-12 | 171.43 | 171.45 | 169.69 | 170.17 | 144.58 | 1,422,322 |
| 2017-04-11 | 170.79 | 171.44 | 169.63 | 170.63 | 144.98 | 1,191,415 |
| 2017-04-10 | 170.20 | 171.57 | 169.85 | 171.22 | 145.48 | 2,002,257 |
| 2017-04-07 | 169.70 | 171.00 | 169.43 | 170.62 | 144.97 | 1,510,009 |
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.