On December 31, 2009, Costco Wholesale (COST) had a market capitalization of $18.7B, based on 444.85M shares at a price of $42.05.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 2009 | $42.05 | 1,862,900 | 444,849,000 | $18,706,567,723.50 |
December 30 2009 | $42.68 | 1,678,500 | 444,849,000 | $18,984,776,288.10 |
December 29 2009 | $42.83 | 1,794,500 | 444,849,000 | $19,051,147,758.90 |
December 28 2009 | $43.04 | 1,748,300 | 444,849,000 | $19,145,989,565.70 |
December 24 2009 | $42.93 | 1,681,400 | 444,849,000 | $19,095,410,234.40 |
December 23 2009 | $42.69 | 2,945,700 | 444,849,000 | $18,991,093,143.90 |
December 22 2009 | $42.34 | 3,026,200 | 444,849,000 | $18,833,038,294.20 |
December 21 2009 | $42.12 | 2,114,000 | 444,849,000 | $18,738,152,002.50 |
December 18 2009 | $41.53 | 4,540,800 | 444,849,000 | $18,472,621,634.40 |
December 17 2009 | $41.08 | 2,876,800 | 444,849,000 | $18,273,418,252.20 |
December 16 2009 | $41.77 | 2,859,300 | 444,849,000 | $18,580,097,152.80 |
December 15 2009 | $41.92 | 2,794,900 | 444,849,000 | $18,646,468,623.60 |
December 14 2009 | $42.26 | 2,174,900 | 444,849,000 | $18,801,409,530.30 |
December 11 2009 | $42.16 | 3,197,100 | 444,849,000 | $18,753,988,626.90 |
December 10 2009 | $41.76 | 5,576,500 | 444,849,000 | $18,576,938,724.90 |
December 09 2009 | $41.69 | 3,745,600 | 444,849,000 | $18,545,309,961.00 |
December 08 2009 | $41.75 | 3,853,300 | 444,849,000 | $18,573,780,297.00 |
December 07 2009 | $42.18 | 2,422,400 | 444,849,000 | $18,763,463,910.60 |
December 04 2009 | $42.07 | 4,936,000 | 444,849,000 | $18,712,884,579.30 |
December 03 2009 | $41.94 | 8,326,000 | 444,849,000 | $18,659,146,820.10 |
December 02 2009 | $43.26 | 4,316,200 | 444,849,000 | $19,244,034,285.30 |
December 01 2009 | $43.16 | 4,418,600 | 444,849,000 | $19,199,771,809.80 |
November 30 2009 | $42.58 | 3,399,200 | 444,849,000 | $18,940,513,812.60 |
November 27 2009 | $42.66 | 1,483,300 | 444,849,000 | $18,978,459,432.30 |
November 25 2009 | $43.27 | 2,469,800 | 444,849,000 | $19,250,351,141.10 |
