Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2021-04-23 | 371.26 | 374.85 | 370.41 | 373.28 | 352.33 | 1,404,929 |
| 2021-04-22 | 374.34 | 375.44 | 370.03 | 371.26 | 350.42 | 2,138,003 |
| 2021-04-21 | 371.61 | 374.58 | 371.47 | 374.09 | 353.10 | 1,532,098 |
| 2021-04-20 | 369.00 | 375.36 | 368.73 | 371.73 | 350.87 | 2,330,659 |
| 2021-04-19 | 371.00 | 371.53 | 368.20 | 369.55 | 348.81 | 1,560,002 |
| 2021-04-16 | 369.70 | 372.80 | 368.58 | 370.72 | 349.91 | 2,249,168 |
| 2021-04-15 | 364.88 | 369.55 | 364.27 | 368.80 | 348.10 | 1,850,332 |
| 2021-04-14 | 364.85 | 364.85 | 362.55 | 363.17 | 342.79 | 1,509,408 |
| 2021-04-13 | 365.34 | 367.30 | 364.27 | 365.21 | 344.71 | 1,796,367 |
| 2021-04-12 | 362.84 | 365.25 | 361.34 | 364.81 | 344.34 | 1,836,606 |
| 2021-04-09 | 360.91 | 363.71 | 359.60 | 363.21 | 342.83 | 1,610,750 |
| 2021-04-08 | 362.80 | 366.02 | 359.60 | 361.22 | 340.95 | 2,839,157 |
| 2021-04-07 | 360.87 | 361.46 | 357.61 | 358.81 | 338.67 | 1,808,369 |
| 2021-04-06 | 359.80 | 362.80 | 359.00 | 360.12 | 339.91 | 2,142,011 |
| 2021-04-05 | 357.50 | 362.67 | 356.84 | 360.82 | 340.57 | 2,705,656 |
| 2021-04-01 | 352.54 | 357.32 | 351.63 | 354.94 | 335.02 | 2,938,607 |
| 2021-03-31 | 350.66 | 357.45 | 349.23 | 352.48 | 332.70 | 2,832,221 |
| 2021-03-30 | 353.58 | 354.77 | 348.84 | 349.75 | 330.12 | 2,602,426 |
| 2021-03-29 | 351.45 | 357.77 | 351.01 | 356.15 | 336.16 | 3,011,985 |
| 2021-03-26 | 346.21 | 352.46 | 344.10 | 352.02 | 332.26 | 3,061,215 |
| 2021-03-25 | 337.81 | 347.78 | 337.27 | 346.34 | 326.90 | 4,307,145 |
| 2021-03-24 | 342.22 | 342.51 | 336.83 | 338.04 | 319.07 | 3,006,369 |
| 2021-03-23 | 333.89 | 342.51 | 333.80 | 340.34 | 321.24 | 3,641,218 |
| 2021-03-22 | 328.45 | 336.17 | 328.19 | 334.49 | 315.72 | 4,064,876 |
| 2021-03-19 | 323.61 | 329.25 | 322.39 | 328.91 | 310.45 | 4,859,256 |
| 2021-03-18 | 326.48 | 328.14 | 322.38 | 322.98 | 304.85 | 2,738,244 |
| 2021-03-17 | 326.00 | 330.50 | 324.12 | 329.19 | 310.72 | 2,672,370 |
| 2021-03-16 | 329.67 | 330.03 | 326.64 | 327.25 | 308.88 | 3,066,700 |
| 2021-03-15 | 333.60 | 333.68 | 327.32 | 330.51 | 311.96 | 3,244,291 |
| 2021-03-12 | 328.10 | 331.63 | 325.60 | 331.14 | 312.56 | 3,182,073 |
| 2021-03-11 | 330.41 | 331.25 | 326.72 | 328.65 | 310.21 | 4,338,898 |
| 2021-03-10 | 321.14 | 327.39 | 317.32 | 323.83 | 305.66 | 4,523,512 |
| 2021-03-09 | 313.76 | 320.28 | 312.71 | 318.78 | 300.89 | 5,426,779 |
| 2021-03-08 | 318.91 | 322.33 | 310.92 | 311.42 | 293.94 | 4,873,459 |
| 2021-03-05 | 315.33 | 318.43 | 307.00 | 317.32 | 299.51 | 8,102,777 |
| 2021-03-04 | 323.37 | 325.60 | 315.04 | 319.04 | 301.13 | 5,501,245 |
| 2021-03-03 | 328.17 | 328.42 | 323.76 | 323.92 | 305.74 | 4,064,203 |
| 2021-03-02 | 333.69 | 334.69 | 328.42 | 328.46 | 310.03 | 4,660,068 |
| 2021-03-01 | 335.21 | 336.00 | 331.36 | 331.77 | 313.15 | 4,656,825 |
| 2021-02-26 | 335.51 | 335.89 | 330.94 | 331.00 | 312.42 | 3,362,224 |
| 2021-02-25 | 340.85 | 343.00 | 333.35 | 333.90 | 315.16 | 3,618,077 |
| 2021-02-24 | 341.79 | 342.50 | 337.89 | 340.70 | 321.58 | 3,305,848 |
| 2021-02-23 | 349.80 | 351.00 | 342.03 | 342.15 | 322.95 | 3,692,638 |
| 2021-02-22 | 352.75 | 353.29 | 348.82 | 350.21 | 330.56 | 2,215,579 |
| 2021-02-19 | 356.69 | 357.93 | 354.58 | 354.77 | 334.86 | 1,839,533 |
| 2021-02-18 | 352.28 | 358.20 | 352.28 | 356.92 | 336.89 | 1,915,706 |
| 2021-02-17 | 353.11 | 358.17 | 351.91 | 358.04 | 337.95 | 2,145,058 |
| 2021-02-16 | 353.08 | 355.36 | 352.04 | 354.00 | 334.13 | 1,829,035 |
| 2021-02-12 | 351.99 | 352.98 | 350.10 | 352.75 | 332.95 | 2,096,607 |
| 2021-02-11 | 355.73 | 356.50 | 351.39 | 352.20 | 332.43 | 2,088,355 |
| 2021-02-10 | 361.00 | 361.00 | 355.12 | 356.12 | 336.13 | 2,162,400 |
| 2021-02-09 | 360.04 | 361.67 | 358.30 | 359.56 | 339.38 | 2,153,966 |
| 2021-02-08 | 356.57 | 360.04 | 355.57 | 359.83 | 339.64 | 2,520,650 |
| 2021-02-05 | 356.55 | 356.85 | 354.10 | 355.17 | 335.24 | 2,165,628 |
| 2021-02-04 | 356.71 | 358.38 | 353.85 | 355.85 | 335.88 | 3,411,624 |
| 2021-02-03 | 356.23 | 357.53 | 353.21 | 355.21 | 334.61 | 1,759,821 |
| 2021-02-02 | 351.76 | 357.70 | 350.72 | 355.58 | 334.96 | 1,905,007 |
| 2021-02-01 | 351.21 | 352.79 | 349.21 | 350.52 | 330.20 | 2,371,160 |
| 2021-01-29 | 354.75 | 356.29 | 351.88 | 352.43 | 332.00 | 2,598,738 |
| 2021-01-28 | 356.85 | 361.61 | 356.07 | 357.06 | 336.36 | 2,251,115 |
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.