On December 31, 2009, Costco Wholesale (COST) had a market capitalization of $18.7B, based on 444.85M shares at a price of $41.99.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 2009 | $41.99 | 1,862,900 | 444,849,000 | $18,680,143,692.90 |
December 30 2009 | $42.62 | 1,678,500 | 444,849,000 | $18,957,951,893.40 |
December 29 2009 | $42.77 | 1,794,500 | 444,849,000 | $19,024,234,394.40 |
December 28 2009 | $42.98 | 1,748,300 | 444,849,000 | $19,118,942,746.50 |
December 24 2009 | $42.87 | 1,681,400 | 444,849,000 | $19,068,452,385.00 |
December 23 2009 | $42.63 | 2,945,700 | 444,849,000 | $18,964,268,749.20 |
December 22 2009 | $42.28 | 3,026,200 | 444,849,000 | $18,806,391,839.10 |
December 21 2009 | $42.06 | 2,114,000 | 444,849,000 | $18,711,683,487.00 |
December 18 2009 | $41.47 | 4,540,800 | 444,849,000 | $18,446,508,998.10 |
December 17 2009 | $41.02 | 2,876,800 | 444,849,000 | $18,247,617,010.20 |
December 16 2009 | $41.71 | 2,859,300 | 444,849,000 | $18,553,851,061.80 |
December 15 2009 | $41.86 | 2,794,900 | 444,849,000 | $18,620,133,562.80 |
December 14 2009 | $42.21 | 2,174,900 | 444,849,000 | $18,774,852,045.00 |
December 11 2009 | $42.10 | 3,197,100 | 444,849,000 | $18,727,475,626.50 |
December 10 2009 | $41.70 | 5,576,500 | 444,849,000 | $18,550,692,633.90 |
December 09 2009 | $41.63 | 3,745,600 | 444,849,000 | $18,519,108,354.90 |
December 08 2009 | $41.69 | 3,853,300 | 444,849,000 | $18,547,534,206.00 |
December 07 2009 | $42.12 | 2,422,400 | 444,849,000 | $18,736,950,910.20 |
December 04 2009 | $42.01 | 4,936,000 | 444,849,000 | $18,686,460,548.70 |
December 03 2009 | $41.89 | 8,326,000 | 444,849,000 | $18,632,767,274.40 |
December 02 2009 | $43.20 | 4,316,200 | 444,849,000 | $19,216,809,526.50 |
December 01 2009 | $43.10 | 4,418,600 | 444,849,000 | $19,172,636,020.80 |
November 30 2009 | $42.52 | 3,399,200 | 444,849,000 | $18,913,733,902.80 |
November 27 2009 | $42.60 | 1,483,300 | 444,849,000 | $18,951,635,037.60 |
November 25 2009 | $43.21 | 2,469,800 | 444,849,000 | $19,223,126,382.30 |
