market cap wmt between 1 may 1983 and december 1990

On December 31, 1990, Walmart (WMT) had a market capitalization of $18.7B, based on 12.12B shares at a price of $1.55.

DATE CLOSE VOLUME OUTSTANDING MARKET CAP
December 1990
$1.55
274,890,000
12,120,000,000
$18,729,036,000.00
November 1990
$1.54
271,359,600
12,120,000,000
$18,630,864,000.00
October 1990
$1.37
491,342,400
12,120,000,000
$16,543,800,000.00
September 1990
$1.39
323,868,000
13,645,000,000
$18,972,008,000.00
August 1990
$1.45
653,437,200
13,645,000,000
$19,842,559,000.00
July 1990
$1.60
622,479,600
13,645,000,000
$21,816,990,500.00
June 1990
$1.59
476,258,400
12,670,000,000
$20,136,431,000.00
May 1990
$1.43
408,247,200
12,670,000,000
$18,178,916,000.00
April 1990
$1.26
288,345,600
12,670,000,000
$16,002,210,000.00
March 1990
$1.20
285,134,400
12,670,000,000
$15,236,942,000.00
February 1990
$1.12
234,856,800
12,670,000,000
$14,166,327,000.00
January 1990
$1.08
350,443,200
12,670,000,000
$13,724,144,000.00
December 1989
$1.14
236,916,000
13,962,000,000
$15,922,264,800.00
November 1989
$1.11
234,616,800
13,962,000,000
$15,460,122,600.00
October 1989
$1.05
429,139,200
13,962,000,000
$14,707,570,800.00
September 1989
$1.04
279,206,400
13,140,000,000
$13,673,484,000.00
August 1989
$1.07
393,028,800
13,140,000,000
$14,091,336,000.00
July 1989
$1.10
248,210,400
13,140,000,000
$14,405,382,000.00
June 1989
$0.97
344,112,000
11,898,000,000
$11,498,227,200.00
May 1989
$0.96
371,061,600
11,898,000,000
$11,407,802,400.00
April 1989
$0.91
289,519,200
11,898,000,000
$10,842,647,400.00
March 1989
$0.82
341,520,000
11,898,000,000
$9,788,484,600.00
February 1989
$0.81
255,945,600
11,898,000,000
$9,585,028,800.00
January 1989
$0.85
300,180,000
11,898,000,000
$10,148,994,000.00
December 1988
$0.79
257,287,200
13,571,304,000
$10,760,686,941.60