On December 31, 1990, Microsoft (MSFT) had a market capitalization of $4.8B, based on 7.53B shares at a price of $0.64.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 1990 | $0.64 | 23,702,400 | 7,526,666,700 | $4,841,152,021.44 |
December 28 1990 | $0.64 | 20,268,000 | 7,526,666,700 | $4,826,098,688.04 |
December 27 1990 | $0.64 | 22,629,600 | 7,526,666,700 | $4,809,540,021.30 |
December 26 1990 | $0.64 | 16,214,400 | 7,526,666,700 | $4,826,098,688.04 |
December 24 1990 | $0.64 | 13,550,400 | 7,526,666,700 | $4,841,152,021.44 |
December 21 1990 | $0.65 | 33,472,800 | 7,526,666,700 | $4,874,269,354.92 |
December 20 1990 | $0.65 | 46,994,400 | 7,526,666,700 | $4,857,710,688.18 |
December 19 1990 | $0.64 | 34,264,800 | 7,526,666,700 | $4,817,066,688.00 |
December 18 1990 | $0.64 | 51,876,000 | 7,526,666,700 | $4,841,152,021.44 |
December 17 1990 | $0.63 | 27,288,000 | 7,526,666,700 | $4,761,369,354.42 |
December 14 1990 | $0.63 | 48,636,000 | 7,526,666,700 | $4,737,284,020.98 |
December 13 1990 | $0.62 | 50,709,600 | 7,526,666,700 | $4,680,834,020.73 |
December 12 1990 | $0.62 | 71,560,800 | 7,526,666,700 | $4,664,275,353.99 |
December 11 1990 | $0.62 | 61,768,800 | 7,526,666,700 | $4,640,190,020.55 |
December 10 1990 | $0.63 | 55,526,400 | 7,526,666,700 | $4,761,369,354.42 |
December 07 1990 | $0.63 | 81,921,600 | 7,526,666,700 | $4,777,928,021.16 |
December 06 1990 | $0.64 | 108,201,600 | 7,526,666,700 | $4,809,540,021.30 |
December 05 1990 | $0.64 | 68,630,400 | 7,526,666,700 | $4,841,152,021.44 |
December 04 1990 | $0.64 | 54,547,200 | 7,526,666,700 | $4,792,981,354.56 |
December 03 1990 | $0.63 | 68,241,600 | 7,526,666,700 | $4,753,090,021.05 |
November 30 1990 | $0.62 | 72,165,600 | 7,526,666,700 | $4,648,469,353.92 |
November 29 1990 | $0.61 | 65,865,600 | 7,526,666,700 | $4,584,492,686.97 |
November 28 1990 | $0.60 | 77,623,200 | 7,526,666,700 | $4,528,042,686.72 |
November 27 1990 | $0.61 | 63,417,600 | 7,526,666,700 | $4,624,384,020.48 |
November 26 1990 | $0.60 | 47,577,600 | 7,526,666,700 | $4,519,763,353.35 |
