Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2010-02-12 | 59.190 | 59.420 | 58.950 | 59.280 | 42.014 | 4,337,558 |
| 2010-02-11 | 58.860 | 59.780 | 58.670 | 59.670 | 42.290 | 4,030,760 |
| 2010-02-10 | 58.660 | 59.320 | 58.380 | 59.150 | 41.922 | 4,520,414 |
| 2010-02-09 | 58.800 | 59.000 | 58.200 | 58.760 | 41.518 | 3,486,817 |
| 2010-02-08 | 58.265 | 58.780 | 58.130 | 58.140 | 41.080 | 3,319,738 |
| 2010-02-05 | 58.590 | 58.900 | 58.070 | 58.580 | 41.391 | 4,793,748 |
| 2010-02-04 | 58.170 | 58.940 | 58.100 | 58.520 | 41.348 | 5,962,605 |
| 2010-02-03 | 58.590 | 58.950 | 58.380 | 58.420 | 41.278 | 5,269,084 |
| 2010-02-02 | 58.000 | 58.880 | 57.600 | 58.770 | 41.525 | 5,231,475 |
| 2010-02-01 | 57.800 | 57.920 | 57.360 | 57.910 | 40.917 | 4,297,937 |
| 2010-01-29 | 57.590 | 58.540 | 57.400 | 57.430 | 40.578 | 5,414,003 |
| 2010-01-28 | 57.730 | 57.820 | 57.060 | 57.350 | 40.522 | 3,197,007 |
| 2010-01-27 | 57.710 | 58.040 | 57.280 | 57.530 | 40.649 | 3,776,135 |
| 2010-01-26 | 57.200 | 58.480 | 57.140 | 57.930 | 40.931 | 3,530,432 |
| 2010-01-25 | 57.350 | 57.820 | 56.750 | 57.550 | 40.663 | 2,690,504 |
| 2010-01-22 | 57.400 | 57.960 | 57.040 | 57.070 | 40.324 | 4,221,256 |
| 2010-01-21 | 58.130 | 58.600 | 57.350 | 57.520 | 40.642 | 3,456,728 |
| 2010-01-20 | 58.480 | 58.680 | 57.620 | 58.270 | 41.172 | 4,484,750 |
| 2010-01-19 | 59.170 | 59.276 | 58.790 | 58.950 | 41.652 | 2,558,607 |
| 2010-01-15 | 58.990 | 58.990 | 58.430 | 58.790 | 41.539 | 3,081,708 |
| 2010-01-14 | 59.120 | 59.250 | 58.710 | 58.720 | 41.490 | 2,145,635 |
| 2010-01-13 | 59.110 | 59.590 | 58.940 | 59.400 | 41.970 | 2,052,097 |
| 2010-01-12 | 59.230 | 59.390 | 58.720 | 59.030 | 41.709 | 2,113,234 |
| 2010-01-11 | 59.210 | 59.420 | 59.000 | 59.350 | 41.935 | 1,830,333 |
| 2010-01-08 | 59.470 | 59.610 | 59.100 | 59.280 | 41.885 | 2,348,272 |
| 2010-01-07 | 60.080 | 60.440 | 59.260 | 59.710 | 42.189 | 4,527,524 |
| 2010-01-06 | 59.070 | 60.050 | 59.000 | 60.000 | 42.394 | 3,722,838 |
| 2010-01-05 | 59.260 | 59.420 | 58.840 | 59.230 | 41.850 | 2,775,802 |
| 2010-01-04 | 59.130 | 60.070 | 59.130 | 59.410 | 41.977 | 3,280,136 |
| 2009-12-31 | 60.240 | 60.300 | 59.110 | 59.170 | 41.808 | 1,862,816 |
| 2009-12-30 | 60.130 | 60.490 | 59.870 | 60.050 | 42.429 | 1,678,473 |
| 2009-12-29 | 60.490 | 60.690 | 60.200 | 60.260 | 42.578 | 1,794,416 |
| 2009-12-28 | 60.400 | 60.750 | 60.330 | 60.560 | 42.790 | 1,748,245 |
| 2009-12-24 | 60.290 | 60.600 | 60.090 | 60.400 | 42.677 | 1,681,340 |
| 2009-12-23 | 59.600 | 60.310 | 59.600 | 60.070 | 42.443 | 2,945,699 |
| 2009-12-22 | 59.030 | 59.800 | 59.030 | 59.570 | 42.090 | 3,026,194 |
| 2009-12-21 | 58.780 | 59.550 | 58.640 | 59.270 | 41.878 | 2,113,935 |
| 2009-12-18 | 58.030 | 58.460 | 57.520 | 58.430 | 41.285 | 4,540,784 |
| 2009-12-17 | 58.530 | 58.580 | 57.800 | 57.800 | 40.840 | 2,876,780 |
| 2009-12-16 | 59.150 | 59.500 | 58.720 | 58.770 | 41.525 | 2,859,575 |
| 2009-12-15 | 59.422 | 59.470 | 58.860 | 58.980 | 41.673 | 2,794,832 |
| 2009-12-14 | 59.570 | 59.720 | 59.170 | 59.470 | 42.020 | 2,174,888 |
| 2009-12-11 | 59.040 | 59.490 | 58.970 | 59.320 | 41.914 | 3,197,277 |
| 2009-12-10 | 59.150 | 59.360 | 58.230 | 58.760 | 41.518 | 5,577,523 |
| 2009-12-09 | 58.710 | 59.000 | 58.100 | 58.660 | 41.447 | 3,746,319 |
| 2009-12-08 | 58.850 | 58.960 | 58.000 | 58.750 | 41.511 | 3,853,376 |
| 2009-12-07 | 59.130 | 59.740 | 59.050 | 59.350 | 41.935 | 2,422,372 |
| 2009-12-04 | 59.400 | 59.990 | 58.670 | 59.190 | 41.822 | 4,937,273 |
| 2009-12-03 | 59.400 | 59.570 | 58.900 | 59.020 | 41.702 | 8,327,102 |
| 2009-12-02 | 60.650 | 61.150 | 60.290 | 60.870 | 43.009 | 4,316,392 |
| 2009-12-01 | 60.130 | 60.790 | 60.100 | 60.730 | 42.910 | 4,418,544 |
| 2009-11-30 | 60.150 | 60.290 | 59.410 | 59.910 | 42.330 | 3,399,138 |
| 2009-11-27 | 59.500 | 60.510 | 59.200 | 60.030 | 42.415 | 1,483,275 |
| 2009-11-25 | 60.400 | 60.990 | 60.400 | 60.890 | 43.023 | 2,469,780 |
| 2009-11-24 | 60.810 | 60.830 | 60.330 | 60.510 | 42.754 | 2,577,965 |
| 2009-11-23 | 60.100 | 60.860 | 59.930 | 60.570 | 42.797 | 2,750,505 |
| 2009-11-20 | 60.260 | 60.840 | 59.800 | 60.060 | 42.436 | 2,696,336 |
| 2009-11-19 | 60.355 | 60.590 | 59.780 | 60.480 | 42.733 | 2,240,729 |
| 2009-11-18 | 60.380 | 60.830 | 59.670 | 60.770 | 42.938 | 3,116,860 |
| 2009-11-17 | 61.060 | 61.230 | 60.220 | 60.620 | 42.832 | 3,307,486 |
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.