On December 31, 1987, Microsoft (MSFT) had a market capitalization of $1.7B, based on 7.58B shares at a price of $0.23.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 1987 | $0.23 | 61,545,541 | 7,583,104,000 | $1,739,564,057.60 |
December 30 1987 | $0.24 | 70,703,932 | 7,583,104,000 | $1,787,337,612.80 |
December 29 1987 | $0.23 | 84,743,905 | 7,583,104,000 | $1,747,147,161.60 |
December 28 1987 | $0.22 | 50,716,752 | 7,583,104,000 | $1,643,258,636.80 |
December 24 1987 | $0.23 | 12,671,988 | 7,583,104,000 | $1,707,715,020.80 |
December 23 1987 | $0.23 | 60,710,342 | 7,583,104,000 | $1,707,715,020.80 |
December 22 1987 | $0.22 | 41,774,360 | 7,583,104,000 | $1,683,449,088.00 |
December 21 1987 | $0.22 | 51,163,151 | 7,583,104,000 | $1,651,600,051.20 |
December 18 1987 | $0.22 | 52,487,950 | 7,583,104,000 | $1,667,524,569.60 |
December 17 1987 | $0.22 | 94,017,510 | 7,583,104,000 | $1,667,524,569.60 |
December 16 1987 | $0.23 | 105,537,499 | 7,583,104,000 | $1,739,564,057.60 |
December 15 1987 | $0.22 | 112,219,078 | 7,583,104,000 | $1,643,258,636.80 |
December 14 1987 | $0.21 | 95,111,909 | 7,583,104,000 | $1,627,334,118.40 |
December 11 1987 | $0.20 | 72,475,131 | 7,583,104,000 | $1,539,370,112.00 |
December 10 1987 | $0.20 | 166,075,041 | 7,583,104,000 | $1,522,687,283.20 |
December 09 1987 | $0.20 | 42,753,559 | 7,583,104,000 | $1,483,255,142.40 |
December 08 1987 | $0.20 | 112,521,507 | 7,583,104,000 | $1,522,687,283.20 |
December 07 1987 | $0.18 | 66,211,137 | 7,583,104,000 | $1,386,949,721.60 |
December 04 1987 | $0.18 | 121,751,884 | 7,583,104,000 | $1,346,759,270.40 |
December 03 1987 | $0.17 | 127,670,278 | 7,583,104,000 | $1,294,435,852.80 |
December 02 1987 | $0.19 | 68,515,135 | 7,583,104,000 | $1,410,457,344.00 |
December 01 1987 | $0.19 | 73,540,730 | 7,583,104,000 | $1,402,874,240.00 |
