On December 31, 2009, Microsoft (MSFT) had a market capitalization of $203.2B, based on 8.95B shares at a price of $22.70.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 2009 | $22.70 | 920,649,374 | 8,951,000,000 | $203,229,769,700.00 |
November 2009 | $21.91 | 1,018,302,440 | 8,951,000,000 | $196,094,927,600.00 |
October 2009 | $20.57 | 1,523,468,245 | 8,951,000,000 | $184,080,000,300.00 |
September 2009 | $19.07 | 1,039,017,930 | 8,983,000,000 | $171,347,131,800.00 |
August 2009 | $18.28 | 993,305,766 | 8,983,000,000 | $164,219,121,300.00 |
July 2009 | $17.35 | 1,517,498,875 | 8,983,000,000 | $155,814,626,500.00 |
June 2009 | $17.53 | 1,411,203,030 | 8,960,000,000 | $157,067,904,000.00 |
May 2009 | $15.41 | 1,101,595,348 | 8,960,000,000 | $138,036,864,000.00 |
April 2009 | $14.85 | 1,562,427,598 | 8,960,000,000 | $133,029,120,000.00 |
March 2009 | $13.46 | 1,626,225,386 | 8,904,000,000 | $119,865,648,000.00 |
February 2009 | $11.84 | 1,456,270,401 | 8,904,000,000 | $105,379,730,400.00 |
January 2009 | $12.45 | 1,565,598,317 | 8,904,000,000 | $110,819,184,000.00 |
December 2008 | $14.15 | 1,549,801,384 | 8,914,000,000 | $126,125,077,400.00 |
November 2008 | $14.72 | 1,798,548,158 | 8,914,000,000 | $131,185,555,200.00 |
October 2008 | $16.14 | 3,046,714,563 | 8,914,000,000 | $143,900,484,800.00 |
September 2008 | $19.30 | 1,928,443,111 | 9,183,000,000 | $177,187,821,600.00 |
August 2008 | $19.73 | 1,207,028,200 | 9,183,000,000 | $181,171,407,000.00 |
July 2008 | $18.52 | 1,637,565,427 | 9,183,000,000 | $170,070,078,300.00 |
June 2008 | $19.81 | 1,565,585,235 | 9,404,000,000 | $186,283,836,000.00 |
May 2008 | $20.39 | 1,405,245,078 | 9,404,000,000 | $191,768,248,800.00 |
April 2008 | $20.46 | 1,445,548,784 | 9,404,000,000 | $192,414,303,600.00 |
March 2008 | $20.36 | 1,443,805,316 | 9,428,000,000 | $191,958,794,000.00 |
February 2008 | $19.51 | 2,319,127,555 | 9,428,000,000 | $183,977,049,200.00 |
January 2008 | $23.30 | 1,944,178,852 | 9,428,000,000 | $219,648,830,000.00 |
December 2007 | $25.44 | 1,059,736,468 | 9,503,000,000 | $241,769,624,200.00 |