Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2013-09-11 | 117.57 | 119.34 | 117.50 | 119.25 | 94.371 | 1,808,562 |
| 2013-09-10 | 115.85 | 117.56 | 115.53 | 117.32 | 92.844 | 1,665,630 |
| 2013-09-09 | 114.17 | 115.47 | 113.93 | 115.35 | 91.285 | 1,262,644 |
| 2013-09-06 | 114.30 | 115.01 | 113.12 | 114.35 | 90.493 | 2,231,975 |
| 2013-09-05 | 113.00 | 115.10 | 113.00 | 114.62 | 90.707 | 2,564,060 |
| 2013-09-04 | 111.99 | 112.28 | 111.35 | 111.50 | 88.238 | 1,398,392 |
| 2013-09-03 | 112.81 | 113.13 | 111.55 | 111.98 | 88.618 | 1,204,627 |
| 2013-08-30 | 111.74 | 112.19 | 111.15 | 111.87 | 88.531 | 1,207,686 |
| 2013-08-29 | 110.29 | 111.89 | 110.19 | 111.39 | 88.151 | 1,387,952 |
| 2013-08-28 | 111.72 | 111.72 | 110.36 | 110.46 | 87.415 | 1,649,794 |
| 2013-08-27 | 111.23 | 111.87 | 111.03 | 111.67 | 88.372 | 1,415,470 |
| 2013-08-26 | 113.00 | 113.12 | 111.84 | 111.87 | 88.531 | 1,033,514 |
| 2013-08-23 | 112.59 | 113.49 | 111.66 | 113.07 | 89.480 | 1,449,229 |
| 2013-08-22 | 112.05 | 112.58 | 111.90 | 112.24 | 88.823 | 998,884 |
| 2013-08-21 | 112.63 | 112.87 | 111.85 | 111.96 | 88.602 | 1,329,774 |
| 2013-08-20 | 112.24 | 113.29 | 112.10 | 112.84 | 89.298 | 1,449,461 |
| 2013-08-19 | 111.90 | 112.94 | 111.80 | 112.08 | 88.697 | 1,260,770 |
| 2013-08-16 | 111.77 | 112.51 | 111.65 | 111.90 | 88.554 | 1,651,380 |
| 2013-08-15 | 112.46 | 112.78 | 111.51 | 111.79 | 88.467 | 1,657,013 |
| 2013-08-14 | 115.15 | 115.25 | 113.59 | 113.78 | 90.042 | 1,657,253 |
| 2013-08-13 | 116.34 | 116.35 | 114.75 | 115.65 | 91.522 | 1,230,433 |
| 2013-08-12 | 115.59 | 116.21 | 115.02 | 115.73 | 91.585 | 1,596,807 |
| 2013-08-09 | 116.86 | 117.25 | 115.37 | 115.63 | 91.506 | 1,677,143 |
| 2013-08-08 | 118.06 | 118.91 | 116.08 | 117.39 | 92.899 | 2,373,419 |
| 2013-08-07 | 119.15 | 119.52 | 118.46 | 119.34 | 94.442 | 1,298,486 |
| 2013-08-06 | 119.24 | 119.92 | 119.02 | 119.50 | 94.323 | 1,308,478 |
| 2013-08-05 | 119.45 | 120.20 | 118.94 | 120.07 | 94.773 | 1,336,829 |
| 2013-08-02 | 118.30 | 119.50 | 117.92 | 119.37 | 94.221 | 1,504,570 |
| 2013-08-01 | 118.07 | 118.60 | 117.65 | 118.34 | 93.408 | 1,265,363 |
| 2013-07-31 | 117.55 | 118.10 | 116.97 | 117.42 | 92.682 | 1,925,224 |
| 2013-07-30 | 117.84 | 118.31 | 116.77 | 116.93 | 92.295 | 1,162,466 |
| 2013-07-29 | 116.48 | 117.70 | 116.24 | 117.14 | 92.461 | 1,198,066 |
| 2013-07-26 | 116.77 | 117.00 | 115.54 | 116.57 | 92.011 | 1,863,058 |
| 2013-07-25 | 117.09 | 117.68 | 116.66 | 117.45 | 92.705 | 1,352,152 |
| 2013-07-24 | 119.00 | 119.39 | 117.25 | 117.90 | 93.060 | 1,726,944 |
| 2013-07-23 | 118.37 | 119.15 | 118.29 | 119.10 | 94.008 | 1,079,585 |
| 2013-07-22 | 118.82 | 118.83 | 117.65 | 118.05 | 93.179 | 1,157,965 |
| 2013-07-19 | 117.58 | 118.14 | 116.57 | 118.07 | 93.195 | 1,639,191 |
| 2013-07-18 | 117.34 | 117.60 | 116.40 | 117.06 | 92.397 | 1,180,656 |
| 2013-07-17 | 116.96 | 117.70 | 116.35 | 117.40 | 92.666 | 1,277,085 |
| 2013-07-16 | 116.17 | 116.74 | 115.55 | 116.53 | 91.979 | 1,295,143 |
| 2013-07-15 | 116.00 | 116.24 | 115.12 | 115.89 | 91.474 | 1,156,403 |
| 2013-07-12 | 115.47 | 116.88 | 115.20 | 116.46 | 91.924 | 2,233,231 |
| 2013-07-11 | 114.84 | 115.94 | 114.34 | 115.90 | 91.478 | 1,550,024 |
| 2013-07-10 | 113.48 | 114.04 | 113.31 | 113.65 | 89.706 | 1,270,716 |
| 2013-07-09 | 113.09 | 113.60 | 112.75 | 113.35 | 89.469 | 1,360,797 |
| 2013-07-08 | 112.34 | 112.97 | 112.07 | 112.62 | 88.893 | 1,525,371 |
| 2013-07-05 | 112.24 | 112.31 | 110.71 | 111.76 | 88.214 | 1,366,659 |
| 2013-07-03 | 110.43 | 111.29 | 110.06 | 110.91 | 87.543 | 755,129 |
| 2013-07-02 | 110.63 | 111.87 | 110.45 | 110.85 | 87.496 | 1,279,653 |
| 2013-07-01 | 111.55 | 111.81 | 110.32 | 110.43 | 87.164 | 1,113,069 |
| 2013-06-28 | 111.21 | 112.22 | 110.52 | 110.57 | 87.275 | 1,853,520 |
| 2013-06-27 | 111.57 | 112.35 | 111.24 | 111.49 | 88.001 | 922,198 |
| 2013-06-26 | 110.45 | 111.47 | 110.10 | 111.18 | 87.756 | 1,539,192 |
| 2013-06-25 | 110.68 | 110.68 | 109.24 | 110.25 | 87.022 | 1,607,898 |
| 2013-06-24 | 107.46 | 110.60 | 107.44 | 109.64 | 86.541 | 1,832,256 |
| 2013-06-21 | 108.39 | 109.58 | 107.90 | 108.65 | 85.759 | 3,111,406 |
| 2013-06-20 | 109.73 | 109.73 | 107.38 | 107.56 | 84.899 | 2,212,078 |
| 2013-06-19 | 112.23 | 112.59 | 110.14 | 110.19 | 86.975 | 1,458,888 |
| 2013-06-18 | 111.54 | 112.20 | 111.20 | 112.09 | 88.471 | 1,250,104 |
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.