On December 31, 2010, Microsoft (MSFT) had a market capitalization of $181.9B, based on 8.57B shares at a price of $21.22.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 2010 | $21.22 | 1,033,857,231 | 8,570,000,000 | $181,883,681,000.00 |
November 2010 | $19.21 | 1,361,330,987 | 8,570,000,000 | $164,597,991,000.00 |
October 2010 | $20.15 | 1,281,541,660 | 8,570,000,000 | $172,708,639,000.00 |
September 2010 | $18.51 | 1,273,584,008 | 8,695,000,000 | $160,934,885,500.00 |
August 2010 | $17.73 | 1,279,579,993 | 8,695,000,000 | $154,198,869,000.00 |
July 2010 | $19.40 | 1,410,632,258 | 8,695,000,000 | $168,709,085,000.00 |
June 2010 | $17.30 | 1,671,888,957 | 8,843,000,000 | $152,967,098,300.00 |
May 2010 | $19.40 | 1,720,357,040 | 8,843,000,000 | $171,514,406,500.00 |
April 2010 | $22.85 | 1,319,076,706 | 8,843,000,000 | $202,080,236,000.00 |
March 2010 | $21.92 | 1,110,339,425 | 8,876,000,000 | $194,547,718,400.00 |
February 2010 | $21.46 | 1,074,678,044 | 8,876,000,000 | $190,446,118,800.00 |
January 2010 | $20.99 | 1,359,725,057 | 8,876,000,000 | $186,319,666,400.00 |
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 |
