On December 31, 1991, International Business Machines (IBM) had a market capitalization of $20.4B, based on 2.15B shares at a price of $9.49.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 1991 | $9.49 | 7,976,796 | 2,150,000,000 | $20,406,940,000.00 |
December 30 1991 | $9.64 | 8,142,901 | 2,150,000,000 | $20,722,130,000.00 |
December 27 1991 | $9.53 | 6,447,544 | 2,150,000,000 | $20,492,940,000.00 |
December 26 1991 | $9.41 | 5,141,299 | 2,150,000,000 | $20,235,155,000.00 |
December 24 1991 | $9.41 | 7,193,133 | 2,150,000,000 | $20,235,155,000.00 |
December 23 1991 | $9.41 | 9,798,091 | 2,150,000,000 | $20,235,155,000.00 |
December 20 1991 | $9.15 | 13,486,287 | 2,150,000,000 | $19,661,750,000.00 |
December 19 1991 | $9.05 | 7,959,642 | 2,150,000,000 | $19,461,155,000.00 |
December 18 1991 | $9.20 | 7,974,704 | 2,150,000,000 | $19,776,345,000.00 |
December 17 1991 | $9.12 | 6,200,688 | 2,150,000,000 | $19,604,560,000.00 |
December 16 1991 | $9.27 | 5,406,146 | 2,150,000,000 | $19,919,750,000.00 |
December 13 1991 | $9.39 | 7,444,591 | 2,150,000,000 | $20,177,750,000.00 |
December 12 1991 | $9.45 | 8,757,530 | 2,150,000,000 | $20,320,940,000.00 |
December 11 1991 | $9.36 | 10,837,397 | 2,150,000,000 | $20,120,345,000.00 |
December 10 1991 | $9.20 | 20,949,288 | 2,150,000,000 | $19,776,345,000.00 |
December 09 1991 | $9.08 | 16,297,098 | 2,150,000,000 | $19,518,560,000.00 |
December 06 1991 | $9.49 | 11,282,574 | 2,150,000,000 | $20,406,940,000.00 |
December 05 1991 | $9.62 | 7,919,475 | 2,150,000,000 | $20,693,535,000.00 |
December 04 1991 | $9.60 | 9,790,560 | 2,150,000,000 | $20,636,345,000.00 |
December 03 1991 | $9.73 | 6,542,102 | 2,150,000,000 | $20,922,940,000.00 |
December 02 1991 | $9.84 | 9,823,195 | 2,150,000,000 | $21,152,130,000.00 |
November 29 1991 | $9.86 | 6,871,802 | 2,150,000,000 | $21,209,535,000.00 |
November 27 1991 | $10.05 | 7,547,518 | 2,150,000,000 | $21,610,725,000.00 |
November 26 1991 | $10.44 | 8,149,177 | 2,150,000,000 | $22,441,915,000.00 |
November 25 1991 | $10.14 | 4,449,684 | 2,150,000,000 | $21,811,320,000.00 |
