Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2021-07-20 | 414.00 | 418.07 | 412.85 | 416.24 | 393.72 | 2,045,376 |
| 2021-07-19 | 410.06 | 415.32 | 410.05 | 414.15 | 391.74 | 2,293,142 |
| 2021-07-16 | 412.12 | 413.42 | 409.77 | 410.37 | 388.17 | 1,414,087 |
| 2021-07-15 | 410.46 | 412.20 | 407.88 | 411.82 | 389.54 | 1,894,087 |
| 2021-07-14 | 408.58 | 410.47 | 407.26 | 409.95 | 387.77 | 1,265,817 |
| 2021-07-13 | 404.70 | 409.29 | 404.70 | 407.06 | 385.04 | 1,540,373 |
| 2021-07-12 | 414.04 | 414.35 | 404.53 | 407.88 | 385.81 | 2,491,334 |
| 2021-07-09 | 408.55 | 414.00 | 407.59 | 412.37 | 390.06 | 2,304,223 |
| 2021-07-08 | 403.50 | 408.64 | 403.16 | 407.15 | 385.12 | 2,235,549 |
| 2021-07-07 | 399.20 | 406.12 | 399.20 | 404.68 | 382.79 | 2,308,605 |
| 2021-07-06 | 399.84 | 401.40 | 397.11 | 398.86 | 377.28 | 2,113,374 |
| 2021-07-02 | 396.21 | 400.77 | 396.11 | 398.94 | 377.36 | 1,677,408 |
| 2021-07-01 | 396.30 | 397.69 | 393.88 | 394.53 | 373.19 | 1,523,396 |
| 2021-06-30 | 397.97 | 400.47 | 395.00 | 395.67 | 374.26 | 2,031,670 |
| 2021-06-29 | 396.30 | 399.44 | 395.47 | 398.79 | 377.22 | 1,523,560 |
| 2021-06-28 | 395.00 | 397.42 | 393.13 | 396.54 | 375.09 | 1,645,500 |
| 2021-06-25 | 392.97 | 394.55 | 391.25 | 394.51 | 373.17 | 2,056,384 |
| 2021-06-24 | 393.42 | 395.50 | 391.80 | 392.07 | 370.86 | 1,487,380 |
| 2021-06-23 | 393.00 | 393.44 | 390.59 | 391.97 | 370.76 | 1,538,035 |
| 2021-06-22 | 387.02 | 392.50 | 386.56 | 392.18 | 370.96 | 1,934,772 |
| 2021-06-21 | 382.25 | 387.65 | 380.56 | 386.80 | 365.87 | 1,631,569 |
| 2021-06-18 | 384.75 | 384.91 | 380.30 | 380.88 | 360.27 | 3,415,714 |
| 2021-06-17 | 380.38 | 386.47 | 379.21 | 384.75 | 363.93 | 1,686,533 |
| 2021-06-16 | 384.40 | 386.44 | 377.12 | 379.41 | 358.88 | 1,801,720 |
| 2021-06-15 | 383.76 | 384.50 | 381.56 | 383.91 | 363.14 | 1,252,017 |
| 2021-06-14 | 380.79 | 383.98 | 379.08 | 383.76 | 363.00 | 1,652,625 |
| 2021-06-11 | 383.86 | 383.86 | 380.53 | 381.83 | 361.17 | 1,404,299 |
| 2021-06-10 | 380.27 | 383.36 | 379.49 | 383.01 | 362.29 | 1,404,154 |
| 2021-06-09 | 380.21 | 381.78 | 379.13 | 379.96 | 359.40 | 1,399,154 |
| 2021-06-08 | 380.41 | 381.21 | 377.69 | 379.70 | 359.16 | 1,554,048 |
| 2021-06-07 | 385.47 | 386.45 | 378.57 | 380.40 | 359.82 | 2,515,804 |
| 2021-06-04 | 384.19 | 387.76 | 383.71 | 387.52 | 366.55 | 1,765,934 |
| 2021-06-03 | 379.64 | 384.19 | 378.86 | 383.87 | 363.10 | 1,780,524 |
| 2021-06-02 | 378.38 | 381.92 | 377.71 | 380.59 | 360.00 | 1,881,042 |
| 2021-06-01 | 379.93 | 380.20 | 375.50 | 378.23 | 357.77 | 2,117,770 |
| 2021-05-28 | 384.15 | 385.31 | 377.03 | 378.27 | 357.81 | 4,682,400 |
| 2021-05-27 | 385.13 | 387.77 | 383.50 | 387.50 | 366.54 | 4,452,001 |
| 2021-05-26 | 385.86 | 387.75 | 385.02 | 385.62 | 364.76 | 1,647,955 |
| 2021-05-25 | 383.62 | 385.74 | 382.03 | 385.38 | 364.53 | 1,379,749 |
| 2021-05-24 | 384.34 | 385.76 | 381.89 | 383.45 | 362.71 | 1,657,024 |
| 2021-05-21 | 385.05 | 385.35 | 380.43 | 380.72 | 360.12 | 1,706,560 |
| 2021-05-20 | 379.18 | 384.52 | 378.28 | 383.58 | 362.83 | 1,427,343 |
| 2021-05-19 | 377.15 | 381.73 | 376.13 | 379.66 | 359.12 | 1,725,320 |
| 2021-05-18 | 386.45 | 389.45 | 382.51 | 382.81 | 362.10 | 1,698,198 |
| 2021-05-17 | 385.04 | 387.05 | 382.90 | 383.96 | 363.19 | 1,830,155 |
| 2021-05-14 | 382.14 | 385.82 | 380.10 | 384.42 | 363.62 | 1,876,138 |
| 2021-05-13 | 373.09 | 381.44 | 371.57 | 379.53 | 359.00 | 2,023,855 |
| 2021-05-12 | 376.00 | 376.94 | 371.11 | 372.20 | 352.06 | 2,344,572 |
| 2021-05-11 | 379.31 | 380.92 | 376.00 | 378.18 | 357.72 | 1,859,681 |
| 2021-05-10 | 385.49 | 387.89 | 381.28 | 381.48 | 360.84 | 1,998,663 |
| 2021-05-07 | 382.83 | 386.45 | 382.20 | 384.32 | 363.53 | 1,817,365 |
| 2021-05-06 | 373.19 | 382.94 | 373.19 | 382.76 | 362.05 | 2,641,378 |
| 2021-05-05 | 376.35 | 377.52 | 372.05 | 372.50 | 352.35 | 1,905,324 |
| 2021-05-04 | 379.03 | 379.23 | 373.75 | 375.29 | 354.99 | 2,133,796 |
| 2021-05-03 | 373.84 | 379.62 | 372.89 | 379.32 | 358.80 | 2,685,849 |
| 2021-04-30 | 372.91 | 374.16 | 371.33 | 372.09 | 351.96 | 2,118,990 |
| 2021-04-29 | 368.54 | 374.71 | 368.53 | 373.54 | 353.33 | 1,848,301 |
| 2021-04-28 | 369.55 | 370.50 | 368.18 | 369.59 | 348.85 | 1,305,602 |
| 2021-04-27 | 368.17 | 370.96 | 365.29 | 370.21 | 349.43 | 1,875,871 |
| 2021-04-26 | 373.90 | 373.90 | 368.21 | 368.52 | 347.84 | 2,059,737 |
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.