On May 31, 2006, Mastercard (MA) had a market capitalization of $5.5B, based on 1.35B shares at a price of $4.06.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
May 31 2006 | $4.06 | 29,943,000 | 1,352,520,000 | $5,488,120,404.00 |
May 30 2006 | $3.97 | 49,896,000 | 1,352,520,000 | $5,373,426,708.00 |
May 26 2006 | $4.06 | 103,033,999 | 1,352,520,000 | $5,486,903,136.00 |
May 25 2006 | $4.15 | 395,091,016 | 1,352,520,000 | $5,617,691,820.00 |