On January 31, 1990, International Business Machines (IBM) had a market capitalization of $21.4B, based on 2.25B shares at a price of $9.47.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
January 31 1990 | $9.47 | 8,840,792 | 2,254,347,800 | $21,352,956,926.82 |
January 30 1990 | $9.34 | 9,044,553 | 2,254,347,800 | $21,055,157,582.44 |
January 29 1990 | $9.34 | 5,390,666 | 2,254,347,800 | $21,055,157,582.44 |
January 26 1990 | $9.30 | 7,683,498 | 2,254,347,800 | $20,974,001,061.64 |
January 25 1990 | $9.21 | 7,104,850 | 2,254,347,800 | $20,757,583,672.84 |
January 24 1990 | $9.36 | 10,272,138 | 2,254,347,800 | $21,109,261,929.64 |
January 23 1990 | $9.29 | 6,195,249 | 2,254,347,800 | $20,946,948,888.04 |
January 22 1990 | $9.28 | 7,199,409 | 2,254,347,800 | $20,919,896,714.44 |
January 19 1990 | $9.47 | 6,898,161 | 2,254,347,800 | $21,352,956,926.82 |
January 18 1990 | $9.56 | 7,245,014 | 2,254,347,800 | $21,542,322,142.02 |
January 17 1990 | $9.50 | 9,336,596 | 2,254,347,800 | $21,407,061,274.02 |
January 16 1990 | $9.62 | 8,598,538 | 2,254,347,800 | $21,677,583,010.02 |
January 15 1990 | $9.42 | 4,221,238 | 2,254,347,800 | $21,244,522,797.64 |
January 12 1990 | $9.40 | 5,638,777 | 2,254,347,800 | $21,190,418,450.44 |
January 11 1990 | $9.59 | 6,177,258 | 2,254,347,800 | $21,623,478,662.82 |
January 10 1990 | $9.51 | 6,219,098 | 2,254,347,800 | $21,434,113,447.62 |
January 09 1990 | $9.54 | 7,372,208 | 2,254,347,800 | $21,515,269,968.42 |
January 08 1990 | $9.64 | 4,837,959 | 2,254,347,800 | $21,731,687,357.22 |
January 05 1990 | $9.58 | 7,918,220 | 2,254,347,800 | $21,596,426,489.22 |
January 04 1990 | $9.60 | 10,119,841 | 2,254,347,800 | $21,650,530,836.42 |
January 03 1990 | $9.50 | 9,899,344 | 2,254,347,800 | $21,407,061,274.02 |
January 02 1990 | $9.41 | 7,365,514 | 2,254,347,800 | $21,217,696,058.82 |