On December 31, 1990, Pfizer (PFE) had a market capitalization of $4B, based on 4.06B shares at a price of $1.00.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 1990 | $1.00 | 223,553,401 | 4,055,000,000 | $4,038,780,000.00 |
November 1990 | $1.00 | 280,325,212 | 4,055,000,000 | $4,038,780,000.00 |
October 1990 | $0.89 | 386,082,729 | 4,055,000,000 | $3,609,355,500.00 |
September 1990 | $0.86 | 198,947,982 | 4,055,000,000 | $3,503,925,500.00 |
August 1990 | $0.87 | 278,865,633 | 4,055,000,000 | $3,522,578,500.00 |
July 1990 | $0.92 | 370,831,771 | 4,055,000,000 | $3,726,950,500.00 |
June 1990 | $0.78 | 246,744,772 | 3,780,000,000 | $2,941,218,000.00 |
May 1990 | $0.80 | 349,565,425 | 3,780,000,000 | $3,021,354,000.00 |
April 1990 | $0.68 | 316,662,915 | 3,780,000,000 | $2,577,204,000.00 |
March 1990 | $0.73 | 356,539,532 | 4,198,333,300 | $3,057,646,142.39 |
February 1990 | $0.71 | 641,015,818 | 4,198,333,300 | $2,975,778,643.04 |
January 1990 | $0.82 | 226,449,793 | 4,198,333,300 | $3,425,000,306.14 |
December 1989 | $0.83 | 287,453,627 | 3,971,489,000 | $3,287,598,594.20 |
November 1989 | $0.88 | 299,256,737 | 3,971,489,000 | $3,506,030,489.20 |
October 1989 | $0.80 | 204,786,298 | 3,971,489,000 | $3,173,616,859.90 |
September 1989 | $0.81 | 225,055,985 | 3,971,489,000 | $3,220,877,579.00 |
August 1989 | $0.82 | 243,587,832 | 3,971,489,000 | $3,250,266,597.60 |
July 1989 | $0.77 | 202,959,925 | 3,971,489,000 | $3,050,500,700.90 |
June 1989 | $0.67 | 283,150,777 | 3,971,489,000 | $2,667,649,161.30 |
May 1989 | $0.71 | 180,717,154 | 3,971,489,000 | $2,836,437,443.80 |
April 1989 | $0.72 | 205,780,431 | 3,971,489,000 | $2,852,323,399.80 |
March 1989 | $0.67 | 181,169,950 | 3,971,489,000 | $2,650,571,758.60 |
February 1989 | $0.64 | 232,166,690 | 3,971,489,000 | $2,541,355,811.10 |
January 1989 | $0.67 | 199,499,433 | 3,971,489,000 | $2,656,528,992.10 |
December 1988 | $0.67 | 164,742,728 | 3,951,694,000 | $2,634,594,389.80 |
