Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2021-01-27 | 362.99 | 365.80 | 354.85 | 356.39 | 335.73 | 3,120,813 |
| 2021-01-26 | 360.20 | 365.90 | 358.88 | 364.98 | 343.82 | 1,806,952 |
| 2021-01-25 | 360.86 | 361.96 | 356.82 | 361.88 | 340.90 | 2,735,901 |
| 2021-01-22 | 363.20 | 364.63 | 359.85 | 362.30 | 341.29 | 1,960,295 |
| 2021-01-21 | 361.30 | 363.99 | 359.94 | 362.80 | 341.76 | 2,122,581 |
| 2021-01-20 | 354.39 | 361.90 | 353.41 | 361.30 | 340.35 | 2,767,231 |
| 2021-01-19 | 362.36 | 362.95 | 352.44 | 354.47 | 333.92 | 4,533,829 |
| 2021-01-15 | 361.06 | 364.91 | 360.80 | 362.16 | 341.16 | 2,340,396 |
| 2021-01-14 | 366.00 | 366.50 | 361.56 | 362.35 | 341.34 | 2,363,869 |
| 2021-01-13 | 364.37 | 368.74 | 363.00 | 366.95 | 345.67 | 1,968,804 |
| 2021-01-12 | 364.00 | 365.07 | 360.25 | 364.20 | 343.08 | 2,387,580 |
| 2021-01-11 | 368.58 | 371.00 | 363.86 | 364.01 | 342.90 | 2,564,790 |
| 2021-01-08 | 368.12 | 370.26 | 364.29 | 369.94 | 348.49 | 2,599,696 |
| 2021-01-07 | 371.01 | 371.65 | 366.79 | 367.92 | 346.59 | 2,849,525 |
| 2021-01-06 | 373.82 | 375.80 | 369.65 | 370.02 | 348.57 | 2,661,436 |
| 2021-01-05 | 378.86 | 380.21 | 375.25 | 375.74 | 353.95 | 2,748,442 |
| 2021-01-04 | 377.43 | 381.55 | 374.81 | 380.15 | 358.11 | 3,322,184 |
| 2020-12-31 | 374.99 | 377.04 | 372.46 | 376.78 | 354.93 | 1,628,904 |
| 2020-12-30 | 374.20 | 375.86 | 373.28 | 374.45 | 352.74 | 1,777,985 |
| 2020-12-29 | 372.25 | 373.26 | 370.26 | 372.72 | 351.11 | 2,072,603 |
| 2020-12-28 | 365.50 | 371.69 | 365.08 | 371.06 | 349.55 | 3,207,654 |
| 2020-12-24 | 361.41 | 365.34 | 361.41 | 364.58 | 343.44 | 972,522 |
| 2020-12-23 | 362.45 | 363.10 | 359.50 | 361.89 | 340.91 | 1,782,110 |
| 2020-12-22 | 364.10 | 364.76 | 360.61 | 362.03 | 341.04 | 2,106,626 |
| 2020-12-21 | 365.09 | 366.12 | 361.81 | 364.97 | 343.81 | 2,329,659 |
| 2020-12-18 | 371.10 | 371.36 | 365.93 | 367.00 | 345.72 | 4,140,033 |
| 2020-12-17 | 370.26 | 370.97 | 368.00 | 370.29 | 348.82 | 2,314,176 |
| 2020-12-16 | 371.16 | 372.84 | 368.85 | 369.44 | 348.02 | 2,385,081 |
| 2020-12-15 | 374.51 | 375.69 | 369.30 | 371.88 | 350.32 | 2,137,136 |
| 2020-12-14 | 376.56 | 378.18 | 373.21 | 374.38 | 352.67 | 2,778,433 |
| 2020-12-11 | 379.77 | 379.77 | 372.54 | 375.10 | 353.35 | 3,483,947 |
| 2020-12-10 | 374.29 | 375.00 | 371.56 | 372.79 | 351.17 | 2,566,344 |
| 2020-12-09 | 379.88 | 381.00 | 372.80 | 374.29 | 352.59 | 2,461,551 |
| 2020-12-08 | 373.95 | 379.52 | 370.75 | 377.60 | 355.71 | 2,685,523 |
| 2020-12-07 | 374.27 | 376.50 | 372.65 | 373.33 | 351.68 | 2,652,928 |
| 2020-12-04 | 375.21 | 375.31 | 371.89 | 373.43 | 351.78 | 2,839,727 |
| 2020-12-03 | 378.00 | 378.73 | 373.28 | 374.05 | 352.36 | 3,976,442 |
| 2020-12-02 | 385.47 | 386.88 | 381.57 | 383.50 | 361.26 | 2,212,845 |
| 2020-12-01 | 384.50 | 388.07 | 381.18 | 387.56 | 365.09 | 2,998,441 |
| 2020-11-30 | 391.75 | 393.15 | 385.23 | 391.77 | 359.63 | 3,733,758 |
| 2020-11-27 | 390.46 | 390.67 | 387.75 | 388.39 | 356.53 | 1,329,425 |
| 2020-11-25 | 385.79 | 388.34 | 385.56 | 387.75 | 355.94 | 2,034,236 |
| 2020-11-24 | 383.69 | 386.05 | 380.71 | 384.22 | 352.70 | 2,065,672 |
| 2020-11-23 | 383.00 | 383.06 | 380.34 | 381.71 | 350.40 | 1,685,136 |
| 2020-11-20 | 383.95 | 385.50 | 381.01 | 381.12 | 349.86 | 1,809,463 |
| 2020-11-19 | 383.61 | 384.71 | 380.31 | 383.54 | 352.08 | 1,768,904 |
| 2020-11-18 | 382.89 | 388.05 | 381.73 | 382.23 | 350.88 | 2,134,609 |
| 2020-11-17 | 387.32 | 388.48 | 381.79 | 381.92 | 350.59 | 3,299,130 |
| 2020-11-16 | 376.91 | 381.28 | 376.91 | 379.79 | 348.64 | 1,691,460 |
| 2020-11-13 | 376.52 | 379.83 | 374.99 | 378.84 | 347.76 | 1,275,252 |
| 2020-11-12 | 376.95 | 378.24 | 373.50 | 375.71 | 344.89 | 1,537,419 |
| 2020-11-11 | 369.68 | 374.70 | 368.16 | 372.92 | 342.33 | 1,688,755 |
| 2020-11-10 | 363.88 | 371.54 | 360.59 | 366.62 | 336.55 | 2,662,644 |
| 2020-11-09 | 388.25 | 389.50 | 364.76 | 365.00 | 335.06 | 4,371,322 |
| 2020-11-06 | 381.88 | 386.80 | 380.89 | 385.66 | 354.03 | 1,950,329 |
| 2020-11-05 | 382.48 | 386.58 | 379.50 | 385.23 | 353.63 | 2,255,767 |
| 2020-11-04 | 374.02 | 381.64 | 374.00 | 376.17 | 345.31 | 2,450,234 |
| 2020-11-03 | 368.94 | 374.80 | 367.89 | 371.96 | 341.45 | 2,013,103 |
| 2020-11-02 | 362.22 | 365.66 | 360.71 | 364.39 | 334.50 | 1,646,349 |
| 2020-10-30 | 361.13 | 363.85 | 355.79 | 357.62 | 328.29 | 2,724,917 |
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.