On December 29, 1989, International Business Machines (IBM) had a market capitalization of $20.9B, based on 2.32B shares at a price of $9.04.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 29 1989 | $9.04 | 6,850,882 | 2,315,104,000 | $20,927,845,628.80 |
December 28 1989 | $9.04 | 4,988,583 | 2,315,104,000 | $20,927,845,628.80 |
December 27 1989 | $9.10 | 4,877,289 | 2,315,104,000 | $21,066,751,868.80 |
December 26 1989 | $9.08 | 2,854,325 | 2,315,104,000 | $21,011,189,372.80 |
December 22 1989 | $9.16 | 4,205,338 | 2,315,104,000 | $21,205,889,619.20 |
December 21 1989 | $9.14 | 7,553,794 | 2,315,104,000 | $21,150,095,612.80 |
December 20 1989 | $9.09 | 6,344,199 | 2,315,104,000 | $21,038,970,620.80 |
December 19 1989 | $9.10 | 9,381,365 | 2,315,104,000 | $21,066,751,868.80 |
December 18 1989 | $8.99 | 8,083,070 | 2,315,104,000 | $20,816,720,636.80 |
December 15 1989 | $9.12 | 12,733,167 | 2,315,104,000 | $21,122,314,364.80 |
December 14 1989 | $9.14 | 5,801,116 | 2,315,104,000 | $21,150,095,612.80 |
December 13 1989 | $9.21 | 5,581,038 | 2,315,104,000 | $21,317,014,611.20 |
December 12 1989 | $9.32 | 8,795,186 | 2,315,104,000 | $21,567,045,843.20 |
December 11 1989 | $9.23 | 7,268,445 | 2,315,104,000 | $21,372,577,107.20 |
December 08 1989 | $9.30 | 5,136,278 | 2,315,104,000 | $21,539,264,595.20 |
December 07 1989 | $9.41 | 5,778,941 | 2,315,104,000 | $21,789,527,337.60 |
December 06 1989 | $9.47 | 5,580,619 | 2,315,104,000 | $21,928,433,577.60 |
December 05 1989 | $9.57 | 9,274,673 | 2,315,104,000 | $22,150,683,561.60 |
December 04 1989 | $9.53 | 8,480,550 | 2,315,104,000 | $22,067,339,817.60 |
December 01 1989 | $9.33 | 6,000,693 | 2,315,104,000 | $21,594,827,091.20 |