On December 31, 1987, International Business Machines (IBM) had a market capitalization of $24.6B, based on 2.42B shares at a price of $10.17.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 1987 | $10.17 | 4,874,360 | 2,423,692,000 | $24,640,949,456.40 |
December 30 1987 | $10.30 | 4,388,179 | 2,423,692,000 | $24,960,876,800.40 |
December 29 1987 | $10.21 | 2,843,446 | 2,423,692,000 | $24,747,591,904.40 |
December 28 1987 | $10.19 | 4,547,171 | 2,423,692,000 | $24,694,270,680.40 |
December 24 1987 | $10.55 | 2,637,175 | 2,423,692,000 | $25,574,313,245.60 |
December 23 1987 | $10.52 | 6,888,538 | 2,423,692,000 | $25,494,331,409.60 |
December 22 1987 | $10.41 | 5,091,928 | 2,423,692,000 | $25,227,482,920.40 |
December 21 1987 | $10.41 | 6,486,037 | 2,423,692,000 | $25,227,482,920.40 |
December 18 1987 | $10.32 | 11,710,598 | 2,423,692,000 | $25,014,198,024.40 |
December 17 1987 | $10.17 | 7,634,545 | 2,423,692,000 | $24,640,949,456.40 |
December 16 1987 | $10.46 | 9,345,382 | 2,423,692,000 | $25,361,028,349.60 |
December 15 1987 | $10.21 | 9,758,762 | 2,423,692,000 | $24,747,591,904.40 |
December 14 1987 | $10.13 | 7,102,340 | 2,423,692,000 | $24,560,967,620.40 |
December 11 1987 | $9.69 | 5,915,339 | 2,423,692,000 | $23,494,300,771.20 |
December 10 1987 | $9.77 | 10,002,689 | 2,423,692,000 | $23,680,925,055.20 |
December 09 1987 | $10.03 | 8,474,274 | 2,423,692,000 | $24,321,022,112.40 |
December 08 1987 | $9.81 | 6,481,853 | 2,423,692,000 | $23,787,567,503.20 |
December 07 1987 | $9.64 | 6,170,145 | 2,423,692,000 | $23,360,755,342.00 |
December 04 1987 | $9.48 | 8,942,463 | 2,423,692,000 | $22,987,506,774.00 |
December 03 1987 | $9.37 | 9,881,771 | 2,423,692,000 | $22,720,900,654.00 |
December 02 1987 | $9.73 | 5,637,522 | 2,423,692,000 | $23,574,282,607.20 |
December 01 1987 | $9.79 | 6,743,353 | 2,423,692,000 | $23,734,246,279.20 |
November 30 1987 | $9.75 | 11,724,823 | 2,423,692,000 | $23,627,603,831.20 |
November 27 1987 | $10.11 | 3,859,740 | 2,423,692,000 | $24,507,646,396.40 |
November 25 1987 | $10.35 | 4,899,882 | 2,423,692,000 | $25,094,422,229.60 |