Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2015-08-06 | 147.15 | 147.59 | 145.98 | 146.44 | 122.03 | 1,947,982 |
| 2015-08-05 | 145.83 | 147.04 | 145.65 | 146.89 | 122.40 | 1,687,866 |
| 2015-08-04 | 145.11 | 145.82 | 144.19 | 144.84 | 120.69 | 1,315,321 |
| 2015-08-03 | 145.78 | 146.11 | 144.65 | 145.52 | 121.26 | 1,328,134 |
| 2015-07-31 | 146.19 | 146.19 | 145.01 | 145.30 | 121.08 | 1,386,789 |
| 2015-07-30 | 145.15 | 145.86 | 144.02 | 145.30 | 121.08 | 1,392,698 |
| 2015-07-29 | 144.80 | 146.76 | 144.75 | 145.38 | 121.14 | 1,840,544 |
| 2015-07-28 | 144.53 | 144.70 | 142.91 | 144.55 | 120.45 | 1,376,487 |
| 2015-07-27 | 144.78 | 144.89 | 143.53 | 144.25 | 120.20 | 1,431,288 |
| 2015-07-24 | 145.71 | 145.93 | 144.89 | 144.99 | 120.82 | 1,272,667 |
| 2015-07-23 | 146.85 | 147.00 | 145.38 | 145.60 | 121.33 | 1,356,889 |
| 2015-07-22 | 145.22 | 146.48 | 145.02 | 146.38 | 121.98 | 1,612,043 |
| 2015-07-21 | 145.19 | 145.40 | 144.43 | 144.94 | 120.78 | 1,587,849 |
| 2015-07-20 | 144.58 | 145.23 | 144.02 | 145.04 | 120.86 | 1,243,630 |
| 2015-07-17 | 144.12 | 144.89 | 143.16 | 144.68 | 120.56 | 1,842,128 |
| 2015-07-16 | 144.15 | 144.49 | 143.44 | 144.33 | 120.27 | 1,148,062 |
| 2015-07-15 | 143.93 | 144.18 | 142.92 | 143.63 | 119.69 | 1,306,690 |
| 2015-07-14 | 143.65 | 144.29 | 143.16 | 143.93 | 119.94 | 1,512,809 |
| 2015-07-13 | 143.86 | 145.07 | 143.50 | 144.06 | 120.04 | 1,847,844 |
| 2015-07-10 | 141.71 | 143.43 | 141.17 | 142.72 | 118.93 | 2,847,058 |
| 2015-07-09 | 141.35 | 141.50 | 137.71 | 139.45 | 116.20 | 3,318,747 |
| 2015-07-08 | 139.98 | 140.53 | 139.27 | 139.90 | 116.58 | 2,917,687 |
| 2015-07-07 | 136.30 | 140.87 | 136.03 | 140.50 | 117.08 | 3,789,987 |
| 2015-07-06 | 135.15 | 136.84 | 135.06 | 135.88 | 113.23 | 2,450,379 |
| 2015-07-02 | 137.00 | 137.20 | 136.28 | 136.39 | 113.65 | 1,149,212 |
| 2015-07-01 | 135.79 | 136.57 | 135.54 | 136.49 | 113.74 | 1,707,275 |
| 2015-06-30 | 136.38 | 136.71 | 134.73 | 135.06 | 112.54 | 2,454,294 |
| 2015-06-29 | 137.01 | 137.82 | 135.66 | 135.69 | 113.07 | 1,963,180 |
| 2015-06-26 | 137.94 | 138.64 | 137.53 | 138.06 | 115.04 | 2,248,898 |
| 2015-06-25 | 138.45 | 139.91 | 137.42 | 137.45 | 114.54 | 1,660,924 |
| 2015-06-24 | 139.34 | 139.86 | 138.28 | 138.34 | 115.28 | 1,965,857 |
| 2015-06-23 | 140.44 | 140.90 | 139.53 | 139.65 | 116.37 | 1,490,375 |
| 2015-06-22 | 140.84 | 141.17 | 140.08 | 140.19 | 116.82 | 1,415,697 |
| 2015-06-19 | 140.59 | 141.48 | 140.18 | 140.30 | 116.91 | 2,758,196 |
| 2015-06-18 | 139.49 | 141.10 | 139.22 | 140.50 | 117.08 | 2,074,140 |
| 2015-06-17 | 137.94 | 139.32 | 137.88 | 138.88 | 115.72 | 1,508,101 |
| 2015-06-16 | 137.20 | 138.24 | 137.15 | 137.98 | 114.98 | 1,554,245 |
| 2015-06-15 | 137.94 | 138.32 | 137.15 | 137.23 | 114.35 | 1,940,600 |
| 2015-06-12 | 139.06 | 139.30 | 138.51 | 138.78 | 115.64 | 1,290,728 |
| 2015-06-11 | 139.64 | 140.47 | 139.19 | 139.32 | 116.09 | 1,342,315 |
| 2015-06-10 | 138.32 | 139.94 | 138.26 | 139.43 | 116.19 | 1,725,642 |
| 2015-06-09 | 137.92 | 138.76 | 137.81 | 138.04 | 115.03 | 2,039,068 |
| 2015-06-08 | 138.91 | 138.91 | 138.02 | 138.05 | 115.04 | 1,879,735 |
| 2015-06-05 | 140.74 | 140.81 | 138.74 | 138.78 | 115.64 | 3,203,240 |
| 2015-06-04 | 141.37 | 142.50 | 140.33 | 140.65 | 117.20 | 2,898,607 |
| 2015-06-03 | 141.67 | 142.51 | 141.18 | 142.13 | 118.44 | 1,858,446 |
| 2015-06-02 | 141.97 | 142.67 | 140.89 | 141.40 | 117.83 | 1,963,529 |
| 2015-06-01 | 143.05 | 143.25 | 141.90 | 142.39 | 118.65 | 2,183,416 |
| 2015-05-29 | 143.78 | 143.95 | 141.77 | 142.59 | 118.82 | 3,027,050 |
| 2015-05-28 | 144.32 | 145.97 | 143.16 | 144.26 | 120.21 | 3,206,152 |
| 2015-05-27 | 143.63 | 145.64 | 143.11 | 145.42 | 121.18 | 2,954,072 |
| 2015-05-26 | 144.08 | 144.41 | 143.08 | 143.25 | 119.37 | 2,477,397 |
| 2015-05-22 | 143.90 | 144.76 | 143.40 | 143.68 | 119.73 | 1,189,460 |
| 2015-05-21 | 143.37 | 144.59 | 142.85 | 143.94 | 119.94 | 1,539,527 |
| 2015-05-20 | 145.06 | 145.06 | 143.26 | 143.49 | 119.57 | 1,640,883 |
| 2015-05-19 | 144.81 | 145.50 | 144.31 | 144.74 | 120.61 | 1,332,707 |
| 2015-05-18 | 144.74 | 145.29 | 144.05 | 145.06 | 120.88 | 1,451,924 |
| 2015-05-15 | 143.22 | 144.96 | 142.74 | 144.83 | 120.69 | 2,357,005 |
| 2015-05-14 | 144.13 | 144.13 | 141.53 | 142.60 | 118.83 | 3,023,665 |
| 2015-05-13 | 143.88 | 145.29 | 142.72 | 143.24 | 119.36 | 2,135,920 |
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.