On October 31, 1986, Microsoft (MSFT) had a market capitalization of $601.3M, based on 7.34B shares at a price of $0.08.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
October 31 1986 | $0.08 | 63,734,339 | 7,342,400,000 | $601,342,560.00 |
October 30 1986 | $0.08 | 44,380,758 | 7,342,400,000 | $609,419,200.00 |
October 29 1986 | $0.08 | 53,222,349 | 7,342,400,000 | $597,671,360.00 |
October 28 1986 | $0.08 | 142,646,264 | 7,342,400,000 | $615,293,120.00 |
October 27 1986 | $0.08 | 125,654,280 | 7,342,400,000 | $601,342,560.00 |
October 24 1986 | $0.08 | 101,375,903 | 7,342,400,000 | $582,252,320.00 |
October 23 1986 | $0.08 | 70,444,733 | 7,342,400,000 | $585,923,520.00 |
October 22 1986 | $0.08 | 54,575,948 | 7,342,400,000 | $585,923,520.00 |
October 21 1986 | $0.08 | 112,377,493 | 7,342,400,000 | $585,923,520.00 |
October 20 1986 | $0.08 | 43,545,558 | 7,342,400,000 | $562,427,840.00 |
October 17 1986 | $0.08 | 124,444,681 | 7,342,400,000 | $558,756,640.00 |
October 16 1986 | $0.07 | 21,859,182 | 7,342,400,000 | $545,540,320.00 |
October 15 1986 | $0.07 | 63,532,739 | 7,342,400,000 | $543,337,600.00 |
October 14 1986 | $0.07 | 12,873,588 | 7,342,400,000 | $519,841,920.00 |
October 13 1986 | $0.07 | 27,129,574 | 7,342,400,000 | $516,170,720.00 |
October 10 1986 | $0.07 | 76,751,927 | 7,342,400,000 | $535,260,960.00 |
October 09 1986 | $0.07 | 92,563,112 | 7,342,400,000 | $512,499,520.00 |
October 08 1986 | $0.07 | 119,606,286 | 7,342,400,000 | $497,080,480.00 |
October 07 1986 | $0.07 | 59,788,743 | 7,342,400,000 | $483,129,920.00 |
October 06 1986 | $0.06 | 85,334,319 | 7,342,400,000 | $473,584,800.00 |
October 03 1986 | $0.06 | 14,716,786 | 7,342,400,000 | $438,341,280.00 |
October 02 1986 | $0.06 | 22,723,178 | 7,342,400,000 | $434,670,080.00 |
October 01 1986 | $0.06 | 32,428,769 | 7,342,400,000 | $434,670,080.00 |