Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2021-10-13 | 448.54 | 450.51 | 444.07 | 445.30 | 422.00 | 1,622,100 |
| 2021-10-12 | 450.15 | 452.85 | 445.75 | 446.87 | 423.49 | 1,380,868 |
| 2021-10-11 | 450.04 | 453.69 | 449.54 | 449.70 | 426.17 | 1,011,739 |
| 2021-10-08 | 455.44 | 455.75 | 450.00 | 451.85 | 428.21 | 1,545,827 |
| 2021-10-07 | 456.47 | 459.59 | 452.07 | 452.87 | 429.17 | 1,966,239 |
| 2021-10-06 | 443.93 | 449.78 | 442.38 | 449.34 | 425.83 | 1,334,571 |
| 2021-10-05 | 439.58 | 449.11 | 439.25 | 446.24 | 422.89 | 1,808,749 |
| 2021-10-04 | 448.34 | 449.35 | 436.17 | 440.14 | 417.11 | 2,263,953 |
| 2021-10-01 | 449.73 | 451.08 | 440.76 | 448.33 | 424.87 | 1,860,677 |
| 2021-09-30 | 453.62 | 455.36 | 449.30 | 449.35 | 425.84 | 1,837,244 |
| 2021-09-29 | 449.87 | 456.00 | 448.90 | 451.79 | 428.15 | 1,921,956 |
| 2021-09-28 | 457.14 | 457.50 | 445.67 | 447.35 | 423.94 | 2,632,660 |
| 2021-09-27 | 465.55 | 470.49 | 457.24 | 460.56 | 436.46 | 2,526,024 |
| 2021-09-24 | 455.98 | 468.72 | 455.00 | 467.75 | 443.27 | 3,353,758 |
| 2021-09-23 | 452.30 | 455.55 | 451.10 | 452.78 | 429.09 | 2,061,230 |
| 2021-09-22 | 454.70 | 455.35 | 449.84 | 452.33 | 428.66 | 1,380,811 |
| 2021-09-21 | 451.14 | 456.84 | 450.16 | 452.11 | 428.45 | 1,531,266 |
| 2021-09-20 | 456.63 | 460.95 | 446.62 | 451.14 | 427.53 | 2,602,049 |
| 2021-09-17 | 461.62 | 462.82 | 457.02 | 459.51 | 435.47 | 3,411,408 |
| 2021-09-16 | 460.79 | 463.77 | 456.57 | 463.31 | 439.07 | 1,577,709 |
| 2021-09-15 | 458.24 | 462.25 | 456.14 | 460.73 | 436.62 | 1,770,339 |
| 2021-09-14 | 460.95 | 462.20 | 457.42 | 458.41 | 434.42 | 1,383,887 |
| 2021-09-13 | 467.06 | 468.24 | 458.20 | 459.66 | 435.61 | 1,679,467 |
| 2021-09-10 | 467.17 | 468.40 | 463.20 | 465.16 | 440.82 | 1,324,815 |
| 2021-09-09 | 467.34 | 469.77 | 465.24 | 465.94 | 441.56 | 1,398,718 |
| 2021-09-08 | 459.11 | 465.83 | 458.08 | 465.70 | 441.33 | 1,372,045 |
| 2021-09-07 | 462.50 | 463.20 | 457.63 | 459.60 | 435.55 | 1,463,507 |
| 2021-09-03 | 459.00 | 463.60 | 459.00 | 462.55 | 438.35 | 1,303,809 |
| 2021-09-02 | 459.42 | 461.44 | 458.39 | 460.97 | 436.85 | 1,455,945 |
| 2021-09-01 | 455.48 | 456.68 | 451.85 | 456.52 | 432.63 | 1,325,361 |
| 2021-08-31 | 456.14 | 456.88 | 452.44 | 455.49 | 431.66 | 1,699,018 |
| 2021-08-30 | 451.04 | 456.59 | 450.44 | 455.93 | 432.07 | 1,220,030 |
| 2021-08-27 | 449.31 | 451.62 | 446.80 | 450.34 | 426.77 | 1,310,420 |
| 2021-08-26 | 451.23 | 452.48 | 446.70 | 449.31 | 425.80 | 1,418,645 |
| 2021-08-25 | 450.83 | 452.82 | 447.32 | 451.23 | 427.62 | 1,520,567 |
| 2021-08-24 | 455.25 | 455.39 | 450.30 | 451.79 | 428.15 | 1,541,681 |
| 2021-08-23 | 457.27 | 459.06 | 454.59 | 454.93 | 431.12 | 1,835,928 |
| 2021-08-20 | 455.49 | 460.62 | 453.66 | 458.99 | 434.97 | 1,911,198 |
| 2021-08-19 | 442.95 | 455.50 | 441.31 | 454.26 | 430.49 | 1,953,733 |
| 2021-08-18 | 450.96 | 455.24 | 445.90 | 446.21 | 422.86 | 2,030,106 |
| 2021-08-17 | 452.86 | 453.78 | 449.70 | 452.34 | 428.67 | 1,936,682 |
| 2021-08-16 | 447.91 | 453.19 | 447.05 | 452.86 | 429.16 | 1,515,994 |
| 2021-08-13 | 445.78 | 448.36 | 444.54 | 447.82 | 424.39 | 1,309,261 |
| 2021-08-12 | 443.00 | 446.63 | 442.25 | 445.36 | 422.06 | 1,230,906 |
| 2021-08-11 | 445.50 | 448.00 | 441.80 | 444.30 | 421.05 | 2,267,691 |
| 2021-08-10 | 440.66 | 443.80 | 440.66 | 443.03 | 419.85 | 1,893,669 |
| 2021-08-09 | 440.65 | 442.78 | 439.31 | 440.47 | 417.42 | 1,472,778 |
| 2021-08-06 | 442.73 | 443.46 | 438.90 | 439.63 | 416.63 | 1,789,843 |
| 2021-08-05 | 437.75 | 443.50 | 436.73 | 443.19 | 420.00 | 1,742,634 |
| 2021-08-04 | 436.00 | 437.99 | 432.89 | 435.04 | 412.28 | 1,280,471 |
| 2021-08-03 | 429.92 | 436.80 | 429.12 | 435.07 | 412.30 | 1,448,146 |
| 2021-08-02 | 430.62 | 430.71 | 425.48 | 428.92 | 406.48 | 1,367,176 |
| 2021-07-30 | 425.98 | 431.50 | 425.94 | 429.72 | 407.23 | 2,284,040 |
| 2021-07-29 | 421.68 | 425.85 | 420.36 | 425.28 | 403.03 | 1,434,216 |
| 2021-07-28 | 423.27 | 424.86 | 420.54 | 422.22 | 399.38 | 1,362,771 |
| 2021-07-27 | 424.00 | 424.56 | 421.60 | 424.34 | 401.38 | 1,666,513 |
| 2021-07-26 | 423.40 | 424.50 | 420.35 | 423.23 | 400.33 | 1,220,157 |
| 2021-07-23 | 418.29 | 423.99 | 417.05 | 423.43 | 400.52 | 1,344,487 |
| 2021-07-22 | 416.00 | 418.60 | 413.55 | 417.54 | 394.95 | 1,339,236 |
| 2021-07-21 | 417.11 | 417.11 | 412.22 | 415.01 | 392.56 | 1,480,316 |
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.