On December 31, 1999, Microsoft (MSFT) had a market capitalization of $392.5B, based on 11.08B shares at a price of $35.44.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 1999 | $35.44 | 1,260,977,800 | 11,076,000,000 | $392,547,838,800.00 |
November 1999 | $27.64 | 1,465,256,000 | 11,076,000,000 | $306,126,241,200.00 |
October 1999 | $28.10 | 1,062,304,400 | 11,076,000,000 | $311,222,308,800.00 |
September 1999 | $27.49 | 977,273,600 | 11,054,000,000 | $303,893,251,800.00 |
August 1999 | $28.10 | 1,347,994,200 | 11,054,000,000 | $310,604,135,200.00 |
July 1999 | $26.05 | 1,144,701,200 | 11,054,000,000 | $287,954,489,200.00 |
June 1999 | $27.38 | 887,432,600 | 11,042,000,000 | $302,306,771,800.00 |
May 1999 | $24.49 | 1,124,257,000 | 11,042,000,000 | $270,462,748,000.00 |
April 1999 | $24.68 | 1,163,599,400 | 11,042,000,000 | $272,557,415,400.00 |
March 1999 | $27.21 | 1,569,410,000 | 11,024,000,000 | $299,931,070,400.00 |
February 1999 | $22.79 | 1,599,103,200 | 11,024,000,000 | $251,197,273,600.00 |
January 1999 | $26.56 | 1,472,518,800 | 11,024,000,000 | $292,819,488,000.00 |
December 1998 | $21.05 | 1,101,522,000 | 10,977,777,800 | $231,086,613,801.12 |
November 1998 | $18.52 | 1,162,706,800 | 10,977,777,800 | $203,281,000,411.50 |
October 1998 | $16.07 | 1,643,049,200 | 10,977,777,800 | $176,412,889,246.00 |
September 1998 | $16.71 | 1,192,324,400 | 10,812,903,200 | $180,636,035,697.92 |
August 1998 | $14.56 | 1,350,039,600 | 10,812,903,200 | $157,454,252,527.44 |
July 1998 | $16.69 | 1,229,298,000 | 10,812,903,200 | $180,430,590,537.12 |
June 1998 | $16.45 | 1,233,152,400 | 10,820,000,000 | $177,983,590,000.00 |
May 1998 | $12.87 | 1,095,382,400 | 10,820,000,000 | $139,286,942,000.00 |
April 1998 | $13.68 | 1,018,977,200 | 10,820,000,000 | $148,012,190,000.00 |
March 1998 | $13.58 | 1,099,927,600 | 10,740,000,000 | $145,898,604,000.00 |
February 1998 | $12.86 | 1,402,018,400 | 10,740,000,000 | $138,155,064,000.00 |
January 1998 | $11.32 | 1,486,108,000 | 10,740,000,000 | $121,598,280,000.00 |
December 1997 | $9.81 | 1,437,224,000 | 10,672,000,000 | $104,681,648,000.00 |