AXP vs COF

American Express and Capital One, both Financial Services

American Express is the larger company at $231B against $125B. On trailing earnings AXP is the cheaper of the two at a P/E of 20.4 against 64.1, a gap that is only a bargain if the two are growing at similar rates. Over the past year AXP returned +15% against +3.6% for COF. Ryufin's sector-relative Smart Score puts AXP ahead, 8/10 against 5/10.

American Express and Capital Onecompared on valuation, return and Ryufin’s Smart Score
FigureAXPCOF
Last close$336$217
Market cap$231B$125B
Trailing P/Elower is cheaper for the same earnings, not automatically better20.464.1
Dividend yield1.0%n/a
1-year return+15%+3.6%
5-year return+109%+47%
Ryufin Smart Scoresector-relative, 1–108/105/10

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

American Express

Revenue of $20B in Q2 2026, net income $3.1B. Its largest reported line is US Consumer Services, 38% of the disclosed total.

Capital One

Revenue of $15B in Q1 2026, net income $2.2B. Its largest reported line is Interchange Fees Contracts, 89% of the disclosed total.

Open these two in the interactive comparison to add more names, change the period or read the correlation.