Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2012-04-04 | 90.140 | 90.500 | 88.970 | 89.040 | 64.692 | 2,529,341 |
| 2012-04-03 | 91.450 | 91.760 | 90.010 | 90.390 | 65.673 | 2,823,050 |
| 2012-04-02 | 90.940 | 92.100 | 90.830 | 91.840 | 66.726 | 2,705,081 |
| 2012-03-30 | 90.040 | 91.150 | 90.010 | 90.800 | 65.971 | 2,558,065 |
| 2012-03-29 | 90.160 | 90.720 | 89.330 | 89.840 | 65.273 | 2,245,566 |
| 2012-03-28 | 91.240 | 91.490 | 90.130 | 90.620 | 65.840 | 1,608,972 |
| 2012-03-27 | 91.530 | 91.780 | 90.970 | 91.280 | 66.319 | 1,310,788 |
| 2012-03-26 | 90.630 | 91.530 | 90.380 | 91.520 | 66.494 | 1,884,843 |
| 2012-03-23 | 90.490 | 90.630 | 89.830 | 90.270 | 65.586 | 1,601,302 |
| 2012-03-22 | 90.250 | 91.089 | 90.050 | 90.500 | 65.753 | 1,499,265 |
| 2012-03-21 | 90.360 | 90.950 | 90.215 | 90.640 | 65.854 | 1,693,821 |
| 2012-03-20 | 89.900 | 90.485 | 89.580 | 90.260 | 65.578 | 1,500,384 |
| 2012-03-19 | 90.750 | 90.760 | 89.580 | 90.020 | 65.404 | 1,608,399 |
| 2012-03-16 | 91.260 | 91.500 | 90.260 | 90.440 | 65.709 | 3,556,564 |
| 2012-03-15 | 90.820 | 91.600 | 90.270 | 91.460 | 66.450 | 1,834,274 |
| 2012-03-14 | 89.470 | 90.960 | 89.460 | 90.900 | 66.043 | 2,066,771 |
| 2012-03-13 | 89.780 | 90.000 | 89.290 | 89.980 | 65.375 | 1,737,497 |
| 2012-03-12 | 89.280 | 89.720 | 89.060 | 89.430 | 64.975 | 1,354,692 |
| 2012-03-09 | 88.470 | 89.520 | 88.380 | 89.340 | 64.910 | 1,724,075 |
| 2012-03-08 | 88.010 | 88.500 | 87.840 | 88.300 | 64.154 | 1,614,120 |
| 2012-03-07 | 87.900 | 87.930 | 87.200 | 87.890 | 63.856 | 2,173,954 |
| 2012-03-06 | 87.110 | 87.950 | 86.950 | 87.580 | 63.631 | 3,181,610 |
| 2012-03-05 | 86.000 | 87.670 | 85.830 | 87.630 | 63.668 | 3,040,878 |
| 2012-03-02 | 85.710 | 86.300 | 85.710 | 86.230 | 62.650 | 1,956,295 |
| 2012-03-01 | 86.540 | 86.790 | 85.690 | 86.160 | 62.599 | 3,051,111 |
| 2012-02-29 | 86.190 | 87.200 | 85.730 | 86.060 | 62.527 | 5,345,248 |
| 2012-02-28 | 85.030 | 85.860 | 84.580 | 85.270 | 61.953 | 3,531,723 |
| 2012-02-27 | 84.170 | 85.250 | 84.010 | 85.090 | 61.822 | 2,344,406 |
| 2012-02-24 | 84.990 | 84.990 | 84.050 | 84.400 | 61.321 | 1,262,134 |
| 2012-02-23 | 84.310 | 84.960 | 83.800 | 84.770 | 61.590 | 1,996,804 |
| 2012-02-22 | 84.350 | 84.740 | 83.720 | 84.310 | 61.255 | 1,955,212 |
| 2012-02-21 | 84.600 | 84.690 | 83.650 | 84.260 | 61.219 | 2,345,751 |
| 2012-02-17 | 83.940 | 84.510 | 83.800 | 84.470 | 61.372 | 1,966,296 |
| 2012-02-16 | 83.510 | 84.050 | 83.510 | 84.050 | 61.066 | 1,771,803 |
| 2012-02-15 | 84.480 | 84.520 | 83.040 | 83.240 | 60.478 | 1,570,284 |
| 2012-02-14 | 83.470 | 84.100 | 83.300 | 84.100 | 61.103 | 1,186,013 |
| 2012-02-13 | 84.550 | 84.610 | 83.240 | 83.870 | 60.936 | 1,556,202 |
| 2012-02-10 | 84.120 | 84.310 | 83.680 | 84.200 | 61.175 | 1,689,286 |
| 2012-02-09 | 84.270 | 84.600 | 84.070 | 84.530 | 61.415 | 1,317,248 |
| 2012-02-08 | 84.450 | 84.593 | 83.850 | 84.280 | 61.234 | 1,662,625 |
| 2012-02-07 | 84.660 | 85.000 | 84.380 | 84.560 | 61.263 | 1,574,842 |
| 2012-02-06 | 84.670 | 85.200 | 84.650 | 85.040 | 61.610 | 1,378,932 |
| 2012-02-03 | 86.110 | 86.180 | 84.970 | 85.360 | 61.842 | 2,347,868 |
| 2012-02-02 | 83.760 | 85.890 | 83.760 | 85.510 | 61.951 | 4,697,954 |
| 2012-02-01 | 82.920 | 83.940 | 82.780 | 83.220 | 60.292 | 3,036,218 |
| 2012-01-31 | 81.770 | 82.300 | 81.120 | 82.270 | 59.604 | 1,844,580 |
| 2012-01-30 | 81.200 | 81.670 | 81.000 | 81.440 | 59.002 | 1,973,466 |
| 2012-01-27 | 82.130 | 82.440 | 81.384 | 81.620 | 59.133 | 2,312,026 |
| 2012-01-26 | 82.830 | 83.080 | 81.800 | 82.058 | 59.450 | 1,952,583 |
| 2012-01-25 | 81.390 | 82.800 | 81.230 | 82.720 | 59.930 | 2,558,289 |
| 2012-01-24 | 81.260 | 81.880 | 81.150 | 81.730 | 59.212 | 1,642,877 |
| 2012-01-23 | 81.300 | 82.000 | 81.220 | 81.640 | 59.147 | 1,916,714 |
| 2012-01-20 | 81.300 | 81.680 | 80.890 | 81.410 | 58.980 | 2,304,375 |
| 2012-01-19 | 81.700 | 81.750 | 81.110 | 81.210 | 58.836 | 1,994,090 |
| 2012-01-18 | 81.290 | 81.760 | 80.594 | 81.760 | 59.234 | 2,418,043 |
| 2012-01-17 | 81.240 | 81.750 | 80.610 | 81.420 | 58.988 | 2,747,762 |
| 2012-01-13 | 79.870 | 80.790 | 79.290 | 80.610 | 58.401 | 2,658,165 |
| 2012-01-12 | 80.190 | 80.470 | 79.770 | 79.950 | 57.923 | 2,502,822 |
| 2012-01-11 | 79.320 | 80.160 | 78.980 | 79.990 | 57.952 | 2,415,546 |
| 2012-01-10 | 79.370 | 79.720 | 79.130 | 79.150 | 57.343 | 3,647,548 |
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.