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 | $4,809,540,021.30 |
December 28 1990 | $0.64 | 20,268,000 | 7,526,666,700 | $4,793,734,021.23 |
December 27 1990 | $0.63 | 22,629,600 | 7,526,666,700 | $4,777,928,021.16 |
December 26 1990 | $0.64 | 16,214,400 | 7,526,666,700 | $4,793,734,021.23 |
December 24 1990 | $0.64 | 13,550,400 | 7,526,666,700 | $4,809,540,021.30 |
December 21 1990 | $0.64 | 33,472,800 | 7,526,666,700 | $4,841,904,688.11 |
December 20 1990 | $0.64 | 46,994,400 | 7,526,666,700 | $4,825,346,021.37 |
December 19 1990 | $0.64 | 34,264,800 | 7,526,666,700 | $4,785,454,687.86 |
December 18 1990 | $0.64 | 51,876,000 | 7,526,666,700 | $4,809,540,021.30 |
December 17 1990 | $0.63 | 27,288,000 | 7,526,666,700 | $4,729,757,354.28 |
December 14 1990 | $0.63 | 48,636,000 | 7,526,666,700 | $4,705,672,020.84 |
December 13 1990 | $0.62 | 50,709,600 | 7,526,666,700 | $4,649,974,687.26 |
December 12 1990 | $0.62 | 71,560,800 | 7,526,666,700 | $4,633,416,020.52 |
December 11 1990 | $0.61 | 61,768,800 | 7,526,666,700 | $4,610,083,353.75 |
December 10 1990 | $0.63 | 55,526,400 | 7,526,666,700 | $4,729,757,354.28 |
December 07 1990 | $0.63 | 81,921,600 | 7,526,666,700 | $4,746,316,021.02 |
December 06 1990 | $0.63 | 108,201,600 | 7,526,666,700 | $4,777,928,021.16 |
December 05 1990 | $0.64 | 68,630,400 | 7,526,666,700 | $4,809,540,021.30 |
December 04 1990 | $0.63 | 54,547,200 | 7,526,666,700 | $4,761,369,354.42 |
December 03 1990 | $0.63 | 68,241,600 | 7,526,666,700 | $4,721,478,020.91 |
November 30 1990 | $0.61 | 72,165,600 | 7,526,666,700 | $4,618,362,687.12 |
November 29 1990 | $0.61 | 65,865,600 | 7,526,666,700 | $4,554,386,020.17 |
November 28 1990 | $0.60 | 77,623,200 | 7,526,666,700 | $4,497,936,019.92 |
November 27 1990 | $0.61 | 63,417,600 | 7,526,666,700 | $4,594,277,353.68 |
November 26 1990 | $0.60 | 47,577,600 | 7,526,666,700 | $4,490,409,353.22 |
