On December 31, 2009, Costco Wholesale (COST) had a market capitalization of $18.6B, based on 444.85M shares at a price of $41.81.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 2009 | $41.81 | 1,862,816 | 444,849,000 | $18,598,024,567.50 |
December 30 2009 | $42.43 | 1,678,473 | 444,849,000 | $18,874,631,675.70 |
December 29 2009 | $42.58 | 1,794,416 | 444,849,000 | $18,940,647,267.30 |
December 28 2009 | $42.79 | 1,748,245 | 444,849,000 | $19,034,910,770.40 |
December 24 2009 | $42.68 | 1,681,340 | 444,849,000 | $18,984,642,833.40 |
December 23 2009 | $42.44 | 2,945,699 | 444,849,000 | $18,880,904,046.60 |
December 22 2009 | $42.09 | 3,026,194 | 444,849,000 | $18,723,738,894.90 |
December 21 2009 | $41.88 | 2,113,935 | 444,849,000 | $18,629,475,391.80 |
December 18 2009 | $41.28 | 4,540,784 | 444,849,000 | $18,365,413,025.40 |
December 17 2009 | $40.84 | 2,876,780 | 444,849,000 | $18,167,410,735.50 |
December 16 2009 | $41.52 | 2,859,575 | 444,849,000 | $18,472,310,240.10 |
December 15 2009 | $41.67 | 2,794,832 | 444,849,000 | $18,538,325,831.70 |
December 14 2009 | $42.02 | 2,174,888 | 444,849,000 | $18,692,332,555.50 |
December 11 2009 | $41.91 | 3,197,277 | 444,849,000 | $18,645,178,561.50 |
December 10 2009 | $41.52 | 5,577,523 | 444,849,000 | $18,469,151,812.20 |
December 09 2009 | $41.45 | 3,746,319 | 444,849,000 | $18,437,745,472.80 |
December 08 2009 | $41.51 | 3,853,376 | 444,849,000 | $18,465,993,384.30 |
December 07 2009 | $41.93 | 2,422,372 | 444,849,000 | $18,654,609,360.30 |
December 04 2009 | $41.82 | 4,937,273 | 444,849,000 | $18,604,296,938.40 |
December 03 2009 | $41.70 | 8,327,102 | 444,849,000 | $18,550,870,573.50 |
December 02 2009 | $43.01 | 4,316,392 | 444,849,000 | $19,132,377,186.30 |
December 01 2009 | $42.91 | 4,418,544 | 444,849,000 | $19,088,337,135.30 |
November 30 2009 | $42.33 | 3,399,138 | 444,849,000 | $18,830,636,109.60 |
November 27 2009 | $42.42 | 1,483,275 | 444,849,000 | $18,868,359,304.80 |
November 25 2009 | $43.02 | 2,469,780 | 444,849,000 | $19,138,649,557.20 |