American Express (AXP) inflation adjusted price, is calculated in today's money (today's value of money or today's purchasing power of money)
American Express (AXP) nominal price, is the recorded price of American Express.
American Express inflation adjusted price end of month - May 2013

American Express (AXP) inflation adjusted long term chart.
American Express (AXP) historical chart, 33 years.
American Express inflation adjusted price end of month May 2013 - historical graph

American Express inflation adjusted price end of month May 2013 - Logarithmic scale chart