• Wondering whether American Express at around US$301.91 is still offering value, or if most of the upside is already reflected in the price.
• The stock has posted a 1.2% return over the last 7 days, a 12.8% decline over 30 days, is down 19.0% year to date, yet shows a 9.8% return over 1 year, 91.9% over 3 years and 125.3% over 5 years. This raises fair questions about timing and risk.
• Recent headlines have focused on American Express as a long term compounder in consumer finance, with attention on how its brand, rewards ecosystem and affluent customer base may support its position through different economic conditions. At the same time, commentators have highlighted competitive pressure from other payment networks and digital wallets, which helps explain some of the shorter term price swings you might be seeing.
• Simply Wall St's valuation model gives American Express a 5 out of 6 valuation score. The rest of this article will walk through the key valuation approaches behind that number, before finishing with a broader way to think about what the stock is really worth over time.

Approach 1: American Express Excess Returns Analysis

The Excess Returns model looks at how much profit a company can generate above the return that equity investors typically require, then adds the value of those "excess" profits to its book value.

For American Express, the model starts with a Book Value of $48.80 per share and a Stable EPS of $21.04 per share, based on weighted future Return on Equity estimates from 13 analysts. The Average Return on Equity is 36.27%, which is higher than the model’s Cost of Equity assumption of $4.83 per share. The difference between these figures creates an Excess Return of $16.21 per share.

The Stable Book Value used in the model is $58.02 per share, sourced from weighted future Book Value estimates from 8 analysts. Combining this stable book base with those excess earnings streams produces an estimated intrinsic value of about $387.37 per share.

Compared with a current share price around $301.91, the Excess Returns model implies the stock is about 22.1% undervalued on this framework.

Result: UNDERVALUED

Our Excess Returns analysis suggests American Express is undervalued by 22.1%. Track this in your watchlist or portfolio, or discover 55 more high quality undervalued stocks.

Approach 2: American Express Price vs Earnings

For profitable companies like American Express, the P/E ratio is a useful shorthand because it links what you pay per share directly to the earnings that support that share price. It lets you quickly compare how the market is pricing those earnings against other options.

What counts as a "normal" P/E usually reflects how quickly earnings are expected to grow and how risky those earnings are. Higher expected growth or lower perceived risk can justify a higher multiple, while slower growth or higher uncertainty tends to line up with a lower one.

American Express currently trades on a P/E of 19.37x. That is well above the Consumer Finance industry average of 8.10x, but slightly below the peer group average of 21.26x. Simply Wall St’s Fair Ratio for American Express is 19.68x, which is a proprietary estimate of what the P/E "should" be given factors like earnings growth profile, profit margins, industry, market cap and risk characteristics.

This Fair Ratio is more tailored than a simple comparison with peers or the broad industry because it adjusts for company specific fundamentals rather than treating all Consumer Finance stocks as the same. With the current P/E of 19.37x sitting very close to the Fair Ratio of 19.68x, American Express looks ABOUT RIGHT on this metric.

Result: ABOUT RIGHT

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Upgrade Your Decision Making: Choose your American Express Narrative

Earlier it was mentioned that there is an even better way to understand valuation. Narratives on Simply Wall St let you attach a clear story to your numbers by linking your view of American Express's business, its forecast for revenue, earnings and margins, and your fair value estimate. When live inputs like analyst assumptions or company guidance change, the fair value updates too. You can then compare it with the current price around US$301.91 to decide whether it fits your own buy or sell rules. For example, one American Express Narrative on the Community page might anchor on a fair value near US$299.60 with a wide moat and solid metrics. Another might lean toward US$458.63 with higher assumed revenue growth, margin expansion to about 17.0% and a future P/E of 23.0x. A third might sit closer to US$284.21 with more cautious assumptions.

For American Express, here are previews of two leading American Express narratives.

Fair value: US$308.19

Gap to this fair value at the current US$301.91 price: about 2.0% below

Revenue growth assumption: 10.81%

• Focuses on product refreshes and new card launches, including plans to refresh around 40 products globally to support card acquisition and spend.
• Highlights acquisitions such as Resy and the planned Tock and Rooam deals as ways to build out dining and merchant capabilities.
• Assumes revenue and earnings growth are supported by enhancements to the Membership Model and continued new card uptake.

Fair value: US$299.52

Gap to this fair value at the current US$301.91 price: about 0.8% above

Revenue growth assumption: 6.81%

• Credits American Express with a wide moat, high projected operating margins and share count reduction, but notes that recent return on invested capital sits around the cost of capital.
• Blends several valuation approaches, including DCF, EPS growth, dividend-based models and historical multiples, to arrive at a fair value just under the current share price.
• Views the shares as at least somewhat expensive on dividend yield and historical P/E and P/B, which sit above recent long term averages.

If you want to see how other investors are framing the same facts into different long term stories about American Express, you can read the full Community range of narratives next.

Do you think there's more to the story for American Express? Head over to our Community to see what others are saying!

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.