American Expressvs.Fiserv
AXP vs FI · both in Payment rails & networks, part of the Banks, payments & capital markets value chain: The networks and processors that take a fee every time a card is swiped — the fee engine.
American Express is about 7.0× larger than Fiserv by market cap; Fiserv trades at the lower P/E (9.5 vs 21.3); year to date, American Express leads (−5.2% vs −15.5%).
Side by side
| AXP | FI | |
|---|---|---|
| Market cap | $239B | $34.3B |
| Price | $356.24 | — |
| Today | +1.6% | — |
| Return YTD | −5.2% | −15.5% |
| Return 1Y | +7.8% | +23.2% |
| P/E | 21.3 | 9.5 |
| P/S | 3.0 | 1.6 |
| P/B | 7.0 | 1.4 |
Data as of 2026-07-13 · updates daily after U.S. close
The two companies
American ExpressAXP
A closed-loop network and card issuer in one — it earns fees from merchants and interest from its affluent cardholders, and owns the customer relationship end to end.
Full AXP profile →FiservFI
A payments and financial-technology backbone: it processes card transactions for banks and runs the Clover point-of-sale system for merchants. Fee-per-transaction economics.
Full FI profile →