On December 31, 2009, Costco Wholesale (COST) had a market capitalization of $18.8B, based on 444.85M shares at a price of $42.16.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 2009 | $42.16 | 1,862,900 | 444,849,000 | $18,756,880,145.40 |
December 30 2009 | $42.79 | 1,678,500 | 444,849,000 | $19,035,844,953.30 |
December 29 2009 | $42.94 | 1,794,500 | 444,849,000 | $19,102,394,363.70 |
December 28 2009 | $43.16 | 1,748,300 | 444,849,000 | $19,197,503,079.90 |
December 24 2009 | $43.04 | 1,681,400 | 444,849,000 | $19,146,790,293.90 |
December 23 2009 | $42.81 | 2,945,700 | 444,849,000 | $19,042,161,809.10 |
December 22 2009 | $42.45 | 3,026,200 | 444,849,000 | $18,883,662,110.40 |
December 21 2009 | $42.24 | 2,114,000 | 444,849,000 | $18,788,597,879.10 |
December 18 2009 | $41.64 | 4,540,800 | 444,849,000 | $18,522,311,267.70 |
December 17 2009 | $41.19 | 2,876,800 | 444,849,000 | $18,322,574,066.70 |
December 16 2009 | $41.88 | 2,859,300 | 444,849,000 | $18,630,098,180.40 |
December 15 2009 | $42.03 | 2,794,900 | 444,849,000 | $18,696,647,590.80 |
December 14 2009 | $42.38 | 2,174,900 | 444,849,000 | $18,851,988,861.60 |
December 11 2009 | $42.27 | 3,197,100 | 444,849,000 | $18,804,434,503.50 |
December 10 2009 | $41.87 | 5,576,500 | 444,849,000 | $18,626,895,267.60 |
December 09 2009 | $41.80 | 3,745,600 | 444,849,000 | $18,595,222,018.80 |
December 08 2009 | $41.87 | 3,853,300 | 444,849,000 | $18,623,736,839.70 |
December 07 2009 | $42.29 | 2,422,400 | 444,849,000 | $18,813,954,272.10 |
December 04 2009 | $42.18 | 4,936,000 | 444,849,000 | $18,763,241,486.10 |
December 03 2009 | $42.06 | 8,326,000 | 444,849,000 | $18,709,325,787.30 |
December 02 2009 | $43.38 | 4,316,200 | 444,849,000 | $19,295,770,224.00 |
December 01 2009 | $43.28 | 4,418,600 | 444,849,000 | $19,251,418,778.70 |
November 30 2009 | $42.69 | 3,399,200 | 444,849,000 | $18,991,449,023.10 |
November 27 2009 | $42.78 | 1,483,300 | 444,849,000 | $19,029,483,612.60 |
November 25 2009 | $43.39 | 2,469,800 | 444,849,000 | $19,302,131,564.70 |
