On December 31, 1998, Microsoft (MSFT) had a market capitalization of $234.3B, based on 10.98B shares at a price of $21.34.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 1998 | $21.34 | 23,834,400 | 10,977,777,800 | $234,267,973,807.56 |
December 30 1998 | $21.39 | 34,942,800 | 10,977,777,800 | $234,796,004,919.74 |
December 29 1998 | $21.62 | 29,651,600 | 10,977,777,800 | $237,329,676,035.98 |
December 28 1998 | $21.91 | 23,636,400 | 10,977,777,800 | $240,496,764,931.28 |
December 24 1998 | $21.81 | 13,832,400 | 10,977,777,800 | $239,440,702,706.92 |
December 23 1998 | $22.09 | 34,940,000 | 10,977,777,800 | $242,502,404,935.34 |
December 22 1998 | $21.30 | 41,350,000 | 10,977,777,800 | $233,845,329,362.26 |
December 21 1998 | $21.61 | 48,112,000 | 10,977,777,800 | $237,224,289,369.10 |
December 18 1998 | $21.21 | 59,648,000 | 10,977,777,800 | $232,789,267,137.90 |
December 17 1998 | $20.68 | 46,963,600 | 10,977,777,800 | $226,984,218,237.26 |
December 16 1998 | $20.58 | 60,024,000 | 10,977,777,800 | $225,928,156,012.90 |
December 15 1998 | $20.29 | 51,719,600 | 10,977,777,800 | $222,761,067,117.60 |
December 14 1998 | $19.69 | 64,077,600 | 10,977,777,800 | $216,109,631,548.58 |
December 11 1998 | $20.62 | 51,728,800 | 10,977,777,800 | $226,349,702,680.42 |
December 10 1998 | $20.24 | 57,015,600 | 10,977,777,800 | $222,231,938,227.64 |
December 09 1998 | $20.56 | 44,781,600 | 10,977,777,800 | $225,717,382,679.14 |
December 08 1998 | $20.19 | 77,585,200 | 10,977,777,800 | $221,599,618,226.36 |
December 07 1998 | $20.55 | 89,809,200 | 10,977,777,800 | $225,610,898,234.48 |
December 04 1998 | $19.60 | 44,352,000 | 10,977,777,800 | $215,158,955,991.10 |
December 03 1998 | $18.79 | 51,426,800 | 10,977,777,800 | $206,291,107,084.26 |
December 02 1998 | $19.50 | 65,759,600 | 10,977,777,800 | $214,102,893,766.74 |
December 01 1998 | $19.93 | 86,330,800 | 10,977,777,800 | $218,748,689,331.70 |
