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Costco Wholesale Corporation(COST)
Closing price · checked 12:56 AM EDTAbout this dataData status
$995.53▲6.42 (0.65%)
Extended:$993.31-2.22 (-0.22%)

COST Market Cap

$441.15BCurrent · USD

Retrieved:

COST Market Cap
COST Market Cap$543.05B-$57.59B
1986-02-142026-10-20

Source: Stock Alarm market data pipeline (FMP). Daily history. Dates identify market observations.

COST market cap history

Total market capitalization. The available daily history series contains 3319 observations from Feb 14, 1986 to Oct 20, 2026.

Costco Market Cap — Daily history
DateMarket Cap
441,148,560,810
441,148,560,810
438,303,670,389
433,384,934,616
435,153,020,718
423,024,570,436
425,156,022,605
419,568,161,514
419,448,516,589
417,909,395,422
417,538,629,095
414,627,269,272
409,238,816,389
407,967,035,157
405,436,766,574
403,398,371,569
409,712,964,792
408,972,938,779
408,904,253,730
397,256,598,792
400,899,122,040
398,528,380,023
398,142,857,490
396,738,137,453
396,126,618,952
396,042,424,375
399,414,638,721
407,195,990,090
400,930,141,095
399,871,061,951
399,968,550,407
403,327,470,873
405,791,270,053
410,076,330,858
411,436,737,960
416,523,862,886
418,265,361,228
419,005,387,240
417,317,064,421
423,684,833,166
425,408,606,334
430,455,849,619
419,971,409,221
413,665,678,585
424,070,355,700
426,002,399,661
422,523,834,272
425,891,617,324
426,223,964,336
421,003,900,604
418,455,906,848
422,191,487,260
420,006,859,569
420,596,221,603
417,423,415,465
420,020,153,450
422,780,849,294
421,810,396,020
422,820,730,935
431,621,279,806
428,319,966,156
421,673,025,921
414,339,235,195
410,364,364,935
410,918,276,621
411,764,653,678
414,680,444,794
419,009,818,534
416,927,110,594
419,009,818,534
406,145,773,532
408,454,477,441
410,528,322,794
406,017,266,021
404,563,801,757
422,359,876,412
419,865,058,178
421,083,663,887
421,712,907,563
409,748,415,140
414,534,212,109
419,501,692,111
417,534,197,802
422,098,430,096
417,534,197,802
425,887,186,030
424,376,114,950
421,571,106,171
427,881,268,101
421,615,419,106
427,881,268,101
437,226,866,071
434,023,040,878
435,308,115,990
432,356,874,526
435,760,107,926
429,210,656,148
431,940,332,938
430,664,120,413
430,876,822,500

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Data is provided for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.