On January 31, 1990, International Business Machines (IBM) had a market capitalization of $21.6B, based on 2.25B shares at a price of $9.60.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
January 31 1990 | $9.60 | 8,840,792 | 2,254,347,800 | $21,632,721,488.80 |
January 30 1990 | $9.46 | 9,044,553 | 2,254,347,800 | $21,331,089,753.16 |
January 29 1990 | $9.46 | 5,390,666 | 2,254,347,800 | $21,331,089,753.16 |
January 26 1990 | $9.43 | 7,683,498 | 2,254,347,800 | $21,248,806,058.46 |
January 25 1990 | $9.33 | 7,104,850 | 2,254,347,800 | $21,029,458,017.52 |
January 24 1990 | $9.49 | 10,272,138 | 2,254,347,800 | $21,385,870,404.70 |
January 23 1990 | $9.41 | 6,195,249 | 2,254,347,800 | $21,221,528,450.08 |
January 22 1990 | $9.40 | 7,199,409 | 2,254,347,800 | $21,194,025,406.92 |
January 19 1990 | $9.60 | 6,898,161 | 2,254,347,800 | $21,632,721,488.80 |
January 18 1990 | $9.68 | 7,245,014 | 2,254,347,800 | $21,824,566,486.58 |
January 17 1990 | $9.62 | 9,336,596 | 2,254,347,800 | $21,687,502,140.34 |
January 16 1990 | $9.74 | 8,598,538 | 2,254,347,800 | $21,961,630,832.82 |
January 15 1990 | $9.55 | 4,221,238 | 2,254,347,800 | $21,522,934,750.94 |
January 12 1990 | $9.52 | 5,638,777 | 2,254,347,800 | $21,468,154,099.40 |
January 11 1990 | $9.72 | 6,177,258 | 2,254,347,800 | $21,906,850,181.28 |
January 10 1990 | $9.63 | 6,219,098 | 2,254,347,800 | $21,715,005,183.50 |
January 09 1990 | $9.67 | 7,372,208 | 2,254,347,800 | $21,797,288,878.20 |
January 08 1990 | $9.77 | 4,837,959 | 2,254,347,800 | $22,016,636,919.14 |
January 05 1990 | $9.71 | 7,918,220 | 2,254,347,800 | $21,879,347,138.12 |
January 04 1990 | $9.73 | 10,119,841 | 2,254,347,800 | $21,934,353,224.44 |
January 03 1990 | $9.62 | 9,899,344 | 2,254,347,800 | $21,687,502,140.34 |
January 02 1990 | $9.54 | 7,365,514 | 2,254,347,800 | $21,495,657,142.56 |
