On December 31, 2009, Amazon (AMZN) had a market capitalization of $60.5B, based on 9B shares at a price of $6.73.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 2009 | $6.73 | 4,150,667,423 | 9,000,000,000 | $60,534,000,000.00 |
November 2009 | $6.80 | 3,207,334,075 | 9,000,000,000 | $61,159,500,000.00 |
October 2009 | $5.94 | 5,372,923,463 | 9,000,000,000 | $53,464,500,000.00 |
September 2009 | $4.67 | 2,563,169,785 | 8,820,000,000 | $41,171,760,000.00 |
August 2009 | $4.06 | 2,252,930,569 | 8,820,000,000 | $35,804,790,000.00 |
July 2009 | $4.29 | 3,510,110,593 | 8,820,000,000 | $37,820,160,000.00 |
June 2009 | $4.18 | 3,042,130,975 | 8,800,000,000 | $36,810,400,000.00 |
May 2009 | $3.90 | 2,752,775,561 | 8,800,000,000 | $34,315,600,000.00 |
April 2009 | $4.03 | 3,701,626,126 | 8,800,000,000 | $35,428,800,000.00 |
March 2009 | $3.67 | 4,554,618,400 | 8,740,000,000 | $32,093,280,000.00 |
February 2009 | $3.24 | 3,736,608,668 | 8,740,000,000 | $28,313,230,000.00 |
January 2009 | $2.94 | 4,086,352,403 | 8,740,000,000 | $25,704,340,000.00 |
December 2008 | $2.56 | 4,127,071,124 | 8,700,000,000 | $22,306,800,000.00 |
November 2008 | $2.14 | 4,566,350,596 | 8,700,000,000 | $18,574,500,000.00 |
October 2008 | $2.86 | 6,643,701,009 | 8,700,000,000 | $24,899,400,000.00 |
September 2008 | $3.64 | 3,850,898,604 | 8,720,000,000 | $31,723,360,000.00 |
August 2008 | $4.04 | 2,981,310,158 | 8,720,000,000 | $35,233,160,000.00 |
July 2008 | $3.82 | 4,316,868,700 | 8,720,000,000 | $33,284,240,000.00 |
June 2008 | $3.67 | 3,066,339,956 | 8,600,000,000 | $31,531,900,000.00 |
May 2008 | $4.08 | 3,051,832,958 | 8,600,000,000 | $35,096,600,000.00 |
April 2008 | $3.93 | 3,955,899,464 | 8,600,000,000 | $33,810,900,000.00 |
March 2008 | $3.57 | 3,847,678,705 | 8,520,000,000 | $30,373,800,000.00 |
February 2008 | $3.22 | 4,213,137,881 | 8,520,000,000 | $27,464,220,000.00 |
January 2008 | $3.89 | 5,706,168,258 | 8,520,000,000 | $33,100,200,000.00 |
December 2007 | $4.63 | 2,539,120,982 | 8,540,000,000 | $39,557,280,000.00 |
