
On December 31, 1990, International Business Machines (IBM) had a market capitalization of $25.6B, based on 2.27B shares at a price of $11.28.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 1990 | $11.28 | 115,651,618 | 2,269,387,800 | $25,603,913,975.94 |
November 1990 | $11.34 | 147,399,812 | 2,269,387,800 | $25,745,523,774.66 |
October 1990 | $10.42 | 168,569,592 | 2,269,387,800 | $23,637,716,386.02 |
September 1990 | $10.50 | 123,242,649 | 2,269,387,800 | $23,833,791,491.94 |
August 1990 | $10.06 | 173,195,425 | 2,269,387,800 | $22,825,502,492.40 |
July 1990 | $10.89 | 125,712,881 | 2,269,387,800 | $24,702,513,141.78 |
June 1990 | $11.47 | 123,442,227 | 2,274,193,500 | $26,086,818,799.80 |
May 1990 | $11.71 | 156,106,293 | 2,274,193,500 | $26,641,949,433.15 |
April 1990 | $10.52 | 115,173,387 | 2,274,193,500 | $23,931,565,619.85 |
March 1990 | $10.25 | 134,221,046 | 2,254,347,800 | $23,097,145,819.68 |
February 1990 | $10.03 | 140,005,846 | 2,254,347,800 | $22,607,501,477.52 |
January 1990 | $9.40 | 163,578,921 | 2,254,347,800 | $21,200,788,450.32 |
December 1989 | $8.98 | 135,569,551 | 2,315,104,000 | $20,778,752,931.20 |
November 1989 | $9.31 | 127,937,934 | 2,315,104,000 | $21,551,303,136.00 |
October 1989 | $9.44 | 177,850,542 | 2,315,104,000 | $21,863,147,644.80 |
September 1989 | $10.29 | 134,225,231 | 2,315,104,000 | $23,825,892,816.00 |
August 1989 | $11.03 | 155,272,842 | 2,315,104,000 | $25,543,236,963.20 |
July 1989 | $10.72 | 111,036,664 | 2,315,104,000 | $24,813,747,692.80 |
June 1989 | $10.43 | 151,590,922 | 2,340,768,000 | $24,406,953,859.20 |
May 1989 | $10.22 | 143,379,821 | 2,340,768,000 | $23,916,094,809.60 |
April 1989 | $10.52 | 116,661,219 | 2,340,768,000 | $24,627,688,281.60 |
March 1989 | $10.06 | 173,174,085 | 2,368,508,000 | $23,827,664,181.60 |
February 1989 | $11.20 | 119,658,634 | 2,368,508,000 | $26,529,894,958.80 |
January 1989 | $11.94 | 136,718,896 | 2,368,508,000 | $28,280,222,370.80 |
December 1988 | $11.14 | 95,586,408 | 2,367,760,000 | $26,377,556,728.00 |