Market Cap

$444.60B

Current · Retrieved: Oct 25, 2026 · USD

COST Market Cap

Current$444.60BretrievedOct 25, 2026

COST Market Cap ($1.24B → $444.60B · CAGR +15.6%)

Latest values, visible window

High-resolution chart · PNG

COST market cap history

Daily history. Dates identify market observations.

Costco Market Cap — Daily history
Date	Market Cap
Jun 26, 2009	20,565,633,087
Jun 19, 2009	20,432,694,282
Jun 12, 2009	20,840,373,283
Jun 5, 2009	21,110,682,186
May 29, 2009	21,500,636,013
May 22, 2009	21,403,147,557
May 15, 2009	19,830,038,368
May 8, 2009	20,649,827,663
May 1, 2009	21,132,838,654
Apr 24, 2009	21,345,540,741
Apr 17, 2009	20,282,030,304
Apr 9, 2009	20,782,766,468
Apr 3, 2009	21,673,456,460
Mar 27, 2009	21,004,331,143
Mar 20, 2009	19,865,488,716
Mar 13, 2009	18,700,058,528
Mar 6, 2009	17,273,182,024
Feb 27, 2009	18,762,096,637
Feb 20, 2009	18,948,210,963
Feb 13, 2009	18,948,210,963
Feb 6, 2009	20,033,877,868
Jan 30, 2009	19,954,114,585
Jan 23, 2009	20,813,785,523
Jan 16, 2009	21,624,712,231
Jan 9, 2009	21,775,376,210
Jan 2, 2009	23,640,950,769
Dec 26, 2008	22,807,867,593
Dec 19, 2008	23,835,927,683
Dec 12, 2008	23,663,107,237
Dec 5, 2008	24,629,129,217
Nov 28, 2008	22,807,867,593
Nov 21, 2008	20,698,571,892
Nov 14, 2008	21,296,796,513
Nov 7, 2008	23,960,003,900
Oct 31, 2008	25,262,804,187
Oct 24, 2008	22,568,577,745
Oct 17, 2008	25,692,639,655
Oct 10, 2008	23,884,671,911
Oct 3, 2008	27,739,897,247
Sep 26, 2008	29,375,044,545
Sep 19, 2008	29,286,418,675
Sep 12, 2008	30,819,646,223
Sep 5, 2008	30,327,772,646
Aug 29, 2008	29,716,254,144
Aug 22, 2008	29,880,212,003
Aug 15, 2008	30,132,795,732
Aug 8, 2008	29,685,235,090
Aug 1, 2008	27,562,645,508
Jul 25, 2008	27,367,668,594
Jul 18, 2008	32,007,232,878
Jul 11, 2008	30,943,722,441
Jul 3, 2008	32,007,232,878
Jun 27, 2008	31,134,268,061
Jun 20, 2008	30,456,280,157
Jun 13, 2008	31,160,855,822
Jun 6, 2008	31,546,378,355
May 30, 2008	31,603,985,171
May 23, 2008	31,603,985,171
May 16, 2008	32,468,087,401
May 9, 2008	31,657,160,693
May 2, 2008	31,967,351,237
Apr 25, 2008	31,701,473,627
Apr 18, 2008	30,766,470,701
Apr 11, 2008	29,113,598,229
Apr 4, 2008	29,445,945,241
Mar 28, 2008	28,524,236,195
Mar 20, 2008	28,103,263,314
Mar 14, 2008	26,968,852,180
Mar 7, 2008	26,720,699,745
Feb 29, 2008	27,438,569,290
Feb 22, 2008	29,255,399,621
Feb 15, 2008	28,324,827,988
Feb 8, 2008	28,023,500,031
Feb 1, 2008	30,039,738,569
Jan 25, 2008	29,007,247,186
Jan 18, 2008	28,595,136,891
Jan 11, 2008	29,437,082,654
Jan 4, 2008	29,091,441,762
Dec 28, 2007	31,116,542,887
Dec 21, 2007	31,054,504,778
Dec 14, 2007	30,349,929,113
Dec 7, 2007	31,829,981,139
Nov 30, 2007	29,866,918,123
Nov 23, 2007	29,676,372,503
Nov 16, 2007	29,601,040,513
Nov 9, 2007	28,931,915,196
Nov 2, 2007	29,060,422,707
Oct 26, 2007	29,038,266,240
Oct 19, 2007	29,113,598,229
Oct 12, 2007	30,132,795,732
Oct 5, 2007	28,036,793,911
Sep 28, 2007	27,194,848,148
Sep 21, 2007	26,906,814,071
Sep 14, 2007	26,570,035,766
Sep 7, 2007	25,258,372,893
Aug 31, 2007	27,363,237,301
Aug 24, 2007	27,332,218,246
Aug 17, 2007	25,865,460,101
Aug 10, 2007	28,027,931,324
Aug 3, 2007	26,804,894,321