Research note · 17 September 2026
American Express Company AXP
LONG price $311.17 · base case $427.78 · expected +16% over 365 days
The call
American Express is a high-quality, integrated payments network with a premium customer base and strong capital return profile. The base-case DCF values the stock at $427.78 (37.5% upside) against a market price of $311.17, driven by a step-up in guided 2026 revenue growth to 10% and sustainable mid-single-digit FCFF growth. The company's differentiated Membership Model, expanding commercial footprint, and consistent share buybacks support a valuation premium over traditional banks.
Why the opportunity exists, in the desk's view: a narrative overshoot.
What decides the case
- Sustainability of 10% revenue growth guidance for 2026
- Credit quality and provision for credit losses trajectory
- Interchange fee and regulatory pressure
What breaks the case
| Shock to the base case | Value per share | vs price |
|---|---|---|
| Base case as planned | $427.78 | 37% |
| Starting cash flow 10% higher | $472.56 | 52% |
| Growth 5 points higher every year | $527.56 | 70% |
| Discount rate 100bp higher | $380.14 | 22% |
| Starting cash flow 10% lower | $383.01 | 23% |
| Growth 5 points lower every year | $343.98 | 11% |
| Cost of debt 200bp higher | $410.08 | 32% |
The base case equals the price at a 13.5% discount rate, or if every year's growth were -7.2% points different. Thresholds, not forecasts.
Model-authored research with an editorial gate; every figure traces to the filing or a stated assumption and every calculation was reproduced before publication. Not investment advice. Do not redistribute.