Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2019-11-18 | 303.11 | 306.38 | 302.75 | 304.54 | 277.21 | 1,242,504 |
| 2019-11-15 | 305.31 | 305.44 | 301.60 | 303.66 | 276.40 | 1,707,125 |
| 2019-11-14 | 304.39 | 305.89 | 302.27 | 304.59 | 277.25 | 1,337,458 |
| 2019-11-13 | 300.18 | 304.00 | 299.52 | 302.90 | 275.71 | 1,554,889 |
| 2019-11-12 | 300.83 | 302.73 | 298.66 | 300.50 | 273.53 | 1,540,974 |
| 2019-11-11 | 301.55 | 302.33 | 299.70 | 300.84 | 273.84 | 1,160,960 |
| 2019-11-08 | 302.74 | 304.29 | 301.28 | 302.62 | 275.46 | 1,502,221 |
| 2019-11-07 | 303.93 | 307.10 | 302.48 | 305.21 | 277.82 | 2,399,391 |
| 2019-11-06 | 299.97 | 301.65 | 297.93 | 301.57 | 274.50 | 1,675,008 |
| 2019-11-05 | 297.09 | 299.69 | 295.81 | 299.18 | 272.33 | 2,204,542 |
| 2019-11-04 | 297.16 | 298.22 | 295.17 | 296.82 | 270.18 | 1,651,608 |
| 2019-11-01 | 297.99 | 298.42 | 295.50 | 296.09 | 269.51 | 1,364,483 |
| 2019-10-31 | 298.36 | 299.62 | 294.55 | 297.11 | 270.44 | 2,277,444 |
| 2019-10-30 | 296.92 | 300.25 | 295.97 | 299.84 | 272.34 | 1,264,263 |
| 2019-10-29 | 298.21 | 298.94 | 295.81 | 295.86 | 268.72 | 1,295,287 |
| 2019-10-28 | 295.70 | 299.09 | 295.21 | 298.94 | 271.52 | 1,672,606 |
| 2019-10-25 | 295.52 | 297.25 | 295.11 | 296.50 | 269.30 | 1,686,226 |
| 2019-10-24 | 295.05 | 298.28 | 294.56 | 297.05 | 269.80 | 2,117,020 |
| 2019-10-23 | 299.58 | 300.05 | 297.18 | 297.32 | 270.05 | 1,810,559 |
| 2019-10-22 | 301.61 | 304.88 | 299.95 | 299.97 | 272.45 | 1,970,748 |
| 2019-10-21 | 303.00 | 303.51 | 300.17 | 301.08 | 273.46 | 1,395,154 |
| 2019-10-18 | 302.00 | 304.00 | 300.98 | 302.86 | 275.08 | 1,853,976 |
| 2019-10-17 | 298.85 | 302.61 | 298.85 | 302.40 | 274.66 | 1,811,818 |
| 2019-10-16 | 296.80 | 298.97 | 295.08 | 298.78 | 271.37 | 1,827,669 |
| 2019-10-15 | 298.32 | 299.64 | 297.23 | 298.39 | 271.02 | 1,601,860 |
| 2019-10-14 | 298.00 | 300.34 | 297.50 | 297.52 | 270.23 | 1,313,041 |
| 2019-10-11 | 298.07 | 300.76 | 297.36 | 297.60 | 270.30 | 1,891,654 |
| 2019-10-10 | 298.63 | 299.48 | 296.26 | 297.14 | 269.88 | 1,721,504 |
| 2019-10-09 | 293.11 | 298.57 | 293.11 | 296.90 | 269.67 | 2,287,230 |
| 2019-10-08 | 292.95 | 295.58 | 290.45 | 291.89 | 265.11 | 2,224,561 |
| 2019-10-07 | 291.04 | 295.69 | 290.50 | 293.41 | 266.50 | 2,051,519 |
| 2019-10-04 | 287.85 | 291.95 | 283.32 | 291.67 | 264.91 | 4,536,695 |
| 2019-10-03 | 285.39 | 290.86 | 281.60 | 289.00 | 262.49 | 3,958,168 |
| 2019-10-02 | 283.23 | 285.79 | 282.22 | 285.11 | 258.96 | 2,506,362 |
| 2019-10-01 | 288.04 | 288.68 | 283.18 | 283.93 | 257.88 | 2,654,476 |
| 2019-09-30 | 287.70 | 288.62 | 286.57 | 288.11 | 261.68 | 2,179,096 |
| 2019-09-27 | 289.53 | 289.53 | 284.40 | 285.95 | 259.72 | 1,538,930 |
| 2019-09-26 | 289.43 | 289.81 | 286.60 | 288.26 | 261.82 | 1,891,317 |
| 2019-09-25 | 288.26 | 289.68 | 286.87 | 288.51 | 262.04 | 1,848,371 |
| 2019-09-24 | 289.30 | 292.62 | 286.40 | 287.91 | 261.50 | 2,495,624 |
| 2019-09-23 | 286.36 | 288.13 | 285.75 | 287.57 | 261.19 | 2,058,102 |
| 2019-09-20 | 288.75 | 289.41 | 286.14 | 286.36 | 260.09 | 3,473,365 |
| 2019-09-19 | 289.49 | 289.76 | 284.71 | 287.83 | 261.43 | 3,055,125 |
| 2019-09-18 | 290.70 | 293.57 | 288.80 | 292.43 | 265.61 | 1,687,336 |
| 2019-09-17 | 289.56 | 291.79 | 288.69 | 291.41 | 264.68 | 1,776,040 |
| 2019-09-16 | 290.57 | 291.38 | 288.34 | 288.69 | 262.21 | 1,508,893 |
| 2019-09-13 | 290.20 | 294.07 | 289.85 | 291.90 | 265.12 | 2,306,343 |
| 2019-09-12 | 290.34 | 292.75 | 288.68 | 289.89 | 263.30 | 2,942,632 |
| 2019-09-11 | 294.30 | 295.74 | 287.81 | 290.69 | 264.02 | 4,754,696 |
| 2019-09-10 | 297.38 | 298.25 | 294.58 | 297.00 | 269.76 | 2,724,986 |
| 2019-09-09 | 304.50 | 307.34 | 298.21 | 299.00 | 271.57 | 3,397,183 |
| 2019-09-06 | 299.20 | 304.64 | 298.29 | 303.76 | 275.90 | 3,018,101 |
| 2019-09-05 | 298.43 | 299.71 | 296.68 | 296.97 | 269.73 | 1,865,731 |
| 2019-09-04 | 294.00 | 296.30 | 293.77 | 296.12 | 268.96 | 1,376,086 |
| 2019-09-03 | 292.57 | 294.00 | 290.46 | 292.05 | 265.26 | 1,843,045 |
| 2019-08-30 | 298.00 | 298.28 | 292.83 | 294.76 | 267.72 | 1,801,420 |
| 2019-08-29 | 297.48 | 297.73 | 292.76 | 296.57 | 269.37 | 2,614,701 |
| 2019-08-28 | 293.75 | 299.95 | 292.42 | 294.49 | 266.89 | 5,165,054 |
| 2019-08-27 | 281.00 | 293.44 | 280.34 | 292.38 | 264.97 | 5,176,415 |
| 2019-08-26 | 275.75 | 278.53 | 275.69 | 278.46 | 252.36 | 1,426,519 |
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.