On December 31, 1987, Microsoft (MSFT) had a market capitalization of $1.8B, based on 7.58B shares at a price of $0.23.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 1987 | $0.23 | 61,545,600 | 7,583,104,000 | $1,758,521,817.60 |
December 30 1987 | $0.24 | 70,704,000 | 7,583,104,000 | $1,807,053,683.20 |
December 29 1987 | $0.23 | 79,459,200 | 7,583,104,000 | $1,766,863,232.00 |
December 28 1987 | $0.22 | 50,716,800 | 7,583,104,000 | $1,661,458,086.40 |
December 24 1987 | $0.23 | 12,672,000 | 7,583,104,000 | $1,725,914,470.40 |
December 23 1987 | $0.23 | 60,710,400 | 7,583,104,000 | $1,725,914,470.40 |
December 22 1987 | $0.22 | 41,774,400 | 7,583,104,000 | $1,701,648,537.60 |
December 21 1987 | $0.22 | 51,163,200 | 7,583,104,000 | $1,669,041,190.40 |
December 18 1987 | $0.22 | 52,488,000 | 7,583,104,000 | $1,685,724,019.20 |
December 17 1987 | $0.22 | 94,017,600 | 7,583,104,000 | $1,685,724,019.20 |
December 16 1987 | $0.23 | 105,537,600 | 7,583,104,000 | $1,758,521,817.60 |
December 15 1987 | $0.22 | 112,219,200 | 7,583,104,000 | $1,661,458,086.40 |
December 14 1987 | $0.22 | 95,112,000 | 7,583,104,000 | $1,644,775,257.60 |
December 11 1987 | $0.21 | 72,475,200 | 7,583,104,000 | $1,555,294,630.40 |
December 10 1987 | $0.20 | 165,600,000 | 7,583,104,000 | $1,540,128,422.40 |
December 09 1987 | $0.20 | 83,793,600 | 7,583,104,000 | $1,499,179,660.80 |
December 08 1987 | $0.20 | 112,521,600 | 7,583,104,000 | $1,540,128,422.40 |
December 07 1987 | $0.18 | 66,211,200 | 7,583,104,000 | $1,401,357,619.20 |
December 04 1987 | $0.18 | 121,752,000 | 7,583,104,000 | $1,361,167,168.00 |
December 03 1987 | $0.17 | 127,670,400 | 7,583,104,000 | $1,308,843,750.40 |
December 02 1987 | $0.19 | 68,515,200 | 7,583,104,000 | $1,426,381,862.40 |
December 01 1987 | $0.19 | 73,540,800 | 7,583,104,000 | $1,418,040,448.00 |
November 30 1987 | $0.19 | 164,160,000 | 7,583,104,000 | $1,450,647,795.20 |
November 27 1987 | $0.19 | 18,316,800 | 7,583,104,000 | $1,466,572,313.60 |
November 25 1987 | $0.20 | 32,155,200 | 7,583,104,000 | $1,490,838,246.40 |
