On September 30, 1999, Microsoft (MSFT) had a market capitalization of $308.1B, based on 11.05B shares at a price of $27.87.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
September 30 1999 | $27.87 | 47,455,400 | 11,054,000,000 | $308,077,190,800.00 |
September 29 1999 | $27.54 | 37,484,400 | 11,054,000,000 | $304,462,532,800.00 |
September 28 1999 | $28.35 | 46,000,600 | 11,054,000,000 | $313,391,954,000.00 |
September 27 1999 | $28.14 | 34,132,200 | 11,054,000,000 | $311,054,033,000.00 |
September 24 1999 | $27.99 | 70,277,000 | 11,054,000,000 | $309,352,822,400.00 |
September 23 1999 | $28.06 | 71,073,600 | 11,054,000,000 | $310,202,875,000.00 |
September 22 1999 | $29.56 | 48,531,600 | 11,054,000,000 | $326,787,191,200.00 |
September 21 1999 | $29.12 | 47,082,800 | 11,054,000,000 | $321,896,901,600.00 |
September 20 1999 | $30.02 | 48,601,800 | 11,054,000,000 | $331,889,717,600.00 |
September 17 1999 | $29.68 | 79,773,400 | 11,054,000,000 | $328,062,822,800.00 |
September 16 1999 | $28.93 | 45,796,000 | 11,054,000,000 | $319,770,112,000.00 |
September 15 1999 | $28.50 | 48,413,800 | 11,054,000,000 | $315,093,164,600.00 |
September 14 1999 | $29.26 | 40,207,800 | 11,054,000,000 | $323,384,770,000.00 |
September 13 1999 | $28.89 | 27,870,800 | 11,054,000,000 | $319,345,638,400.00 |
September 10 1999 | $29.24 | 34,455,000 | 11,054,000,000 | $323,172,533,200.00 |
September 09 1999 | $28.95 | 38,475,200 | 11,054,000,000 | $319,983,454,200.00 |
September 08 1999 | $28.39 | 42,568,200 | 11,054,000,000 | $313,817,533,000.00 |
September 07 1999 | $29.01 | 47,028,000 | 11,054,000,000 | $320,621,270,000.00 |
September 03 1999 | $29.51 | 52,098,000 | 11,054,000,000 | $326,149,375,400.00 |
September 02 1999 | $28.25 | 33,340,800 | 11,054,000,000 | $312,329,664,600.00 |
September 01 1999 | $28.43 | 36,607,200 | 11,054,000,000 | $314,243,112,000.00 |
