On December 31, 2010, Microsoft (MSFT) had a market capitalization of $181.4B, based on 8.57B shares at a price of $21.16.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 2010 | $21.16 | 1,033,710,000 | 8,570,000,000 | $181,358,340,000.00 |
November 2010 | $19.15 | 1,361,176,300 | 8,570,000,000 | $164,138,639,000.00 |
October 2010 | $20.10 | 1,281,432,800 | 8,570,000,000 | $172,242,431,000.00 |
September 2010 | $18.46 | 1,273,139,500 | 8,695,000,000 | $160,470,572,500.00 |
August 2010 | $17.69 | 1,279,372,100 | 8,695,000,000 | $153,786,726,000.00 |
July 2010 | $19.35 | 1,408,590,600 | 8,695,000,000 | $168,222,165,000.00 |
June 2010 | $17.25 | 1,671,811,600 | 8,843,000,000 | $152,525,832,600.00 |
May 2010 | $19.34 | 1,720,130,200 | 8,843,000,000 | $171,019,198,500.00 |
April 2010 | $22.79 | 1,319,029,500 | 8,843,000,000 | $201,530,201,400.00 |
March 2010 | $21.86 | 1,110,237,200 | 8,876,000,000 | $194,002,732,000.00 |
February 2010 | $21.39 | 1,074,643,300 | 8,876,000,000 | $189,895,806,800.00 |
January 2010 | $20.93 | 1,359,650,900 | 8,876,000,000 | $185,781,780,800.00 |
December 2009 | $22.64 | 920,605,500 | 8,951,000,000 | $202,642,584,100.00 |
November 2009 | $21.84 | 1,018,256,700 | 8,951,000,000 | $195,529,224,400.00 |
October 2009 | $20.51 | 1,523,430,100 | 8,951,000,000 | $183,548,310,900.00 |
September 2009 | $19.02 | 1,038,979,700 | 8,983,000,000 | $170,853,066,800.00 |
August 2009 | $18.23 | 993,250,400 | 8,983,000,000 | $163,744,818,900.00 |
July 2009 | $17.30 | 1,517,459,800 | 8,983,000,000 | $155,364,578,200.00 |
June 2009 | $17.48 | 1,411,144,700 | 8,960,000,000 | $156,614,528,000.00 |
May 2009 | $15.36 | 1,101,122,400 | 8,960,000,000 | $137,639,040,000.00 |
April 2009 | $14.80 | 1,562,400,700 | 8,960,000,000 | $132,645,632,000.00 |
March 2009 | $13.42 | 1,625,752,800 | 8,904,000,000 | $119,519,282,400.00 |
February 2009 | $11.80 | 1,456,213,400 | 8,904,000,000 | $105,076,104,000.00 |
January 2009 | $12.41 | 1,564,043,400 | 8,904,000,000 | $110,499,530,400.00 |
December 2008 | $14.11 | 1,546,943,400 | 8,914,000,000 | $125,761,386,200.00 |