Costco Wholesale Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2010-05-11 | 57.400 | 58.300 | 57.330 | 57.940 | 41.205 | 5,443,175 |
| 2010-05-10 | 58.615 | 58.990 | 57.100 | 57.520 | 40.907 | 8,379,256 |
| 2010-05-07 | 57.860 | 58.700 | 56.830 | 57.310 | 40.757 | 9,286,653 |
| 2010-05-06 | 58.950 | 59.110 | 55.000 | 58.030 | 41.269 | 11,175,880 |
| 2010-05-05 | 59.750 | 60.830 | 59.720 | 60.360 | 42.926 | 6,438,737 |
| 2010-05-04 | 58.830 | 60.365 | 58.310 | 59.880 | 42.439 | 6,046,307 |
| 2010-05-03 | 59.030 | 59.500 | 58.900 | 59.310 | 42.035 | 4,051,383 |
| 2010-04-30 | 59.130 | 59.680 | 59.020 | 59.080 | 41.872 | 4,960,665 |
| 2010-04-29 | 59.010 | 59.450 | 58.920 | 59.350 | 42.064 | 2,883,748 |
| 2010-04-28 | 59.300 | 59.490 | 58.740 | 58.850 | 41.709 | 3,462,400 |
| 2010-04-27 | 60.250 | 60.250 | 59.110 | 59.170 | 41.936 | 3,949,014 |
| 2010-04-26 | 60.200 | 60.300 | 60.010 | 60.070 | 42.574 | 2,874,503 |
| 2010-04-23 | 60.070 | 60.480 | 60.000 | 60.200 | 42.666 | 4,017,382 |
| 2010-04-22 | 59.230 | 60.410 | 59.120 | 60.220 | 42.680 | 3,929,615 |
| 2010-04-21 | 59.400 | 59.560 | 59.040 | 59.510 | 42.177 | 3,033,108 |
| 2010-04-20 | 59.700 | 59.920 | 59.330 | 59.490 | 42.163 | 3,703,269 |
| 2010-04-19 | 59.290 | 59.530 | 58.610 | 59.470 | 42.149 | 4,040,801 |
| 2010-04-16 | 58.960 | 59.520 | 58.930 | 59.190 | 41.950 | 5,444,285 |
| 2010-04-15 | 59.410 | 59.440 | 58.900 | 59.030 | 41.837 | 5,754,515 |
| 2010-04-14 | 59.790 | 59.870 | 58.940 | 59.620 | 42.255 | 6,763,034 |
| 2010-04-13 | 60.220 | 60.550 | 59.760 | 59.890 | 42.446 | 4,191,513 |
| 2010-04-12 | 60.890 | 61.210 | 60.260 | 60.350 | 42.772 | 4,553,493 |
| 2010-04-09 | 61.040 | 61.410 | 60.920 | 61.210 | 43.382 | 2,804,841 |
| 2010-04-08 | 61.600 | 61.620 | 60.820 | 60.980 | 43.219 | 4,476,289 |
| 2010-04-07 | 61.650 | 61.960 | 61.500 | 61.720 | 43.743 | 3,897,140 |
| 2010-04-06 | 61.050 | 61.850 | 60.750 | 61.740 | 43.757 | 3,589,094 |
| 2010-04-05 | 60.330 | 60.870 | 60.000 | 60.820 | 43.105 | 2,154,045 |
| 2010-04-01 | 59.730 | 60.300 | 59.710 | 60.140 | 42.623 | 2,638,221 |
| 2010-03-31 | 60.060 | 60.112 | 59.680 | 59.710 | 42.319 | 2,548,113 |
| 2010-03-30 | 60.270 | 60.500 | 60.040 | 60.170 | 42.645 | 2,121,441 |
| 2010-03-29 | 60.140 | 60.430 | 59.960 | 60.140 | 42.623 | 2,375,459 |
| 2010-03-26 | 60.250 | 60.420 | 59.910 | 60.130 | 42.616 | 2,301,952 |
| 2010-03-25 | 60.420 | 60.420 | 60.010 | 60.050 | 42.560 | 2,591,464 |
| 2010-03-24 | 60.740 | 60.740 | 60.020 | 60.070 | 42.574 | 2,909,940 |
| 2010-03-23 | 60.760 | 60.890 | 60.360 | 60.760 | 43.063 | 2,937,709 |
| 2010-03-22 | 60.540 | 61.090 | 60.426 | 60.880 | 43.148 | 2,372,527 |
| 2010-03-19 | 61.380 | 61.500 | 60.490 | 60.720 | 43.035 | 4,687,497 |
| 2010-03-18 | 61.000 | 61.430 | 60.920 | 61.270 | 43.424 | 3,156,208 |
| 2010-03-17 | 60.960 | 61.460 | 60.900 | 61.330 | 43.467 | 3,115,250 |
| 2010-03-16 | 60.710 | 60.960 | 60.590 | 60.910 | 43.169 | 2,480,575 |
| 2010-03-15 | 60.070 | 60.615 | 60.050 | 60.550 | 42.914 | 2,584,674 |
| 2010-03-12 | 59.880 | 60.480 | 59.810 | 60.170 | 42.645 | 3,938,659 |
| 2010-03-11 | 59.780 | 60.060 | 59.770 | 59.900 | 42.453 | 3,957,193 |
| 2010-03-10 | 60.210 | 60.410 | 59.760 | 59.840 | 42.411 | 3,248,590 |
| 2010-03-09 | 60.380 | 60.570 | 60.040 | 60.130 | 42.616 | 3,186,925 |
| 2010-03-08 | 60.540 | 61.000 | 60.520 | 60.670 | 42.999 | 3,020,305 |
| 2010-03-05 | 60.850 | 60.970 | 60.500 | 60.680 | 43.006 | 3,514,759 |
| 2010-03-04 | 60.750 | 61.160 | 60.480 | 60.800 | 43.091 | 3,286,076 |
| 2010-03-03 | 59.750 | 61.580 | 59.640 | 60.680 | 43.006 | 10,153,490 |
| 2010-03-02 | 62.120 | 62.120 | 61.200 | 61.380 | 43.502 | 4,129,848 |
| 2010-03-01 | 61.000 | 62.110 | 60.680 | 61.650 | 43.694 | 4,031,690 |
| 2010-02-26 | 61.360 | 61.470 | 60.780 | 60.970 | 43.212 | 3,681,865 |
| 2010-02-25 | 60.290 | 61.520 | 60.210 | 61.400 | 43.517 | 3,533,947 |
| 2010-02-24 | 60.800 | 61.220 | 60.610 | 60.860 | 43.134 | 2,908,141 |
| 2010-02-23 | 60.640 | 60.920 | 60.410 | 60.510 | 42.886 | 3,081,114 |
| 2010-02-22 | 61.400 | 61.450 | 60.690 | 60.790 | 43.084 | 3,004,294 |
| 2010-02-19 | 60.730 | 61.360 | 60.660 | 61.140 | 43.332 | 2,510,091 |
| 2010-02-18 | 60.930 | 61.130 | 60.580 | 60.960 | 43.205 | 2,275,330 |
| 2010-02-17 | 60.790 | 61.300 | 60.740 | 61.050 | 43.268 | 2,663,023 |
| 2010-02-16 | 59.620 | 60.850 | 59.300 | 60.670 | 42.999 | 4,052,524 |
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.