On October 25, 1989, Microsoft (MSFT) had a market capitalization of $2.5B, based on 7.45B shares at a price of $0.34.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
October 25 1989 | $0.34 | 71,481,600 | 7,450,000,000 | $2,504,690,000.00 |
October 24 1989 | $0.34 | 157,089,600 | 7,450,000,000 | $2,540,450,000.00 |
October 23 1989 | $0.35 | 60,912,000 | 7,450,000,000 | $2,611,225,000.00 |
October 20 1989 | $0.36 | 93,542,400 | 7,450,000,000 | $2,677,530,000.00 |
October 19 1989 | $0.36 | 179,424,000 | 7,450,000,000 | $2,646,240,000.00 |
October 18 1989 | $0.34 | 134,784,000 | 7,450,000,000 | $2,528,530,000.00 |
October 17 1989 | $0.33 | 177,206,400 | 7,450,000,000 | $2,469,675,000.00 |
October 16 1989 | $0.32 | 253,065,600 | 7,450,000,000 | $2,379,530,000.00 |
October 13 1989 | $0.31 | 102,643,200 | 7,450,000,000 | $2,308,755,000.00 |
October 12 1989 | $0.33 | 58,881,600 | 7,450,000,000 | $2,465,205,000.00 |
October 11 1989 | $0.34 | 106,401,600 | 7,450,000,000 | $2,512,885,000.00 |
October 10 1989 | $0.34 | 68,299,200 | 7,450,000,000 | $2,551,625,000.00 |
October 09 1989 | $0.34 | 58,536,000 | 7,450,000,000 | $2,568,015,000.00 |
October 06 1989 | $0.34 | 87,609,600 | 7,450,000,000 | $2,504,690,000.00 |
October 05 1989 | $0.33 | 284,760,000 | 7,450,000,000 | $2,489,045,000.00 |
October 04 1989 | $0.32 | 260,020,800 | 7,450,000,000 | $2,371,335,000.00 |
October 03 1989 | $0.29 | 68,918,400 | 7,450,000,000 | $2,167,205,000.00 |
October 02 1989 | $0.29 | 50,428,800 | 7,450,000,000 | $2,186,575,000.00 |
September 29 1989 | $0.29 | 64,324,800 | 7,911,504,000 | $2,284,842,355.20 |
September 28 1989 | $0.29 | 41,428,800 | 7,911,504,000 | $2,268,228,196.80 |
September 27 1989 | $0.28 | 69,235,200 | 7,911,504,000 | $2,222,341,473.60 |
September 26 1989 | $0.28 | 39,988,800 | 7,911,504,000 | $2,242,911,384.00 |
September 25 1989 | $0.28 | 69,940,800 | 7,911,504,000 | $2,234,999,880.00 |
September 22 1989 | $0.28 | 43,948,800 | 7,911,504,000 | $2,200,980,412.80 |
September 21 1989 | $0.28 | 89,352,000 | 7,911,504,000 | $2,185,157,404.80 |