ibm market cap in 1988

On December 30, 1988, International Business Machines (IBM) had a market capitalization of $27.6B, based on 2.37B shares at a price of $11.66.

DATE CLOSE VOLUME OUTSTANDING MARKET CAP
December 30 1988
$11.66
2,474,418
2,367,760,000
$27,610,449,360.00
December 29 1988
$11.79
3,227,119
2,367,760,000
$27,921,809,800.00
December 28 1988
$11.72
2,440,109
2,367,760,000
$27,752,041,408.00
December 27 1988
$11.78
2,405,800
2,367,760,000
$27,893,633,456.00
December 23 1988
$11.80
1,936,774
2,367,760,000
$27,950,222,920.00
December 22 1988
$11.72
3,334,648
2,367,760,000
$27,752,041,408.00
December 21 1988
$11.77
5,051,762
2,367,760,000
$27,865,220,336.00
December 20 1988
$11.79
8,809,830
2,367,760,000
$27,921,809,800.00
December 19 1988
$11.74
5,949,648
2,367,760,000
$27,808,630,872.00
December 16 1988
$11.60
8,397,706
2,367,760,000
$27,468,620,536.00
December 15 1988
$11.58
3,871,874
2,367,760,000
$27,412,031,072.00
December 14 1988
$11.53
5,003,227
2,367,760,000
$27,298,852,144.00
December 13 1988
$11.55
4,014,966
2,367,760,000
$27,355,441,608.00
December 12 1988
$11.53
3,748,027
2,367,760,000
$27,298,852,144.00
December 09 1988
$11.52
4,720,807
2,367,760,000
$27,270,439,024.00
December 08 1988
$11.42
3,805,766
2,367,760,000
$27,044,081,168.00
December 07 1988
$11.58
5,877,683
2,367,760,000
$27,412,031,072.00
December 06 1988
$11.68
5,307,404
2,367,760,000
$27,667,038,824.00
December 05 1988
$11.57
5,771,828
2,367,760,000
$27,383,854,728.00
December 02 1988
$11.41
5,681,035
2,367,760,000
$27,015,668,048.00
December 01 1988
$11.31
3,755,977
2,367,760,000
$26,789,073,416.00
November 30 1988
$11.34
5,317,446
2,367,760,000
$26,845,899,656.00
November 29 1988
$11.42
7,092,717
2,367,760,000
$27,044,081,168.00
November 28 1988
$11.37
6,245,038
2,367,760,000
$26,930,665,464.00
November 25 1988
$11.10
2,765,624
2,367,760,000
$26,279,531,464.00