The Membership Fee
In January 2024, American Express reported its full-year results for fiscal 2023: $60.5 billion in revenue, a record. Net income hit $8.4 billion. The stock was trading near all-time highs, and the company had just posted its twenty-seventh consecutive quarter of double-digit earnings growth. None of which was the interesting number. The interesting number was this: Amex's average Card Member spent roughly $22,000 per year on the card — more than four times the average spend on a Visa or Mastercard credit card. And the company's most coveted cohort, millennial and Gen Z consumers, was growing faster than any other segment, accounting for more than 60% of new card acquisitions globally.
This is a company whose core product — a charge card that requires you to pay your bill in full every month — was supposed to be an anachronism by now. Fintech was going to kill it. Debit was going to kill it. Visa and Mastercard's ubiquity was going to suffocate it. Buy-now-pay-later was going to steal its younger customers before they ever signed up. And yet there it sat, a 175-year-old company with a market capitalization above $200 billion, beloved by the exact demographic cohort that was supposed to find it irrelevant. Not despite charging an annual fee — in many cases, an $895 annual fee — but because of it.
The paradox of American Express is that everything the payments industry has spent three decades trying to eliminate — friction, fees, exclusivity, closed networks — is precisely what makes the company work. Amex is the anti-Visa. Where Visa built a platform so open and universal that it became invisible infrastructure, Amex built a walled garden so intentionally exclusive that the wall itself became the product. The card is a signal. The fee is a filter. And the closed-loop network that every analyst has flagged as a structural disadvantage for forty years turns out to be, in the age of data-driven commerce, the thing that makes the whole machine hum.
Understanding American Express requires holding two truths simultaneously: it is both a financial services company and a luxury brand. Strip either identity away and the logic of the business collapses.
By the Numbers
American Express at a Glance
$65.9BTotal revenues net of interest expense (FY2024)
$10.1BNet income (FY2024)
~145MCards in force worldwide
$1.55TTotal network volume (FY2024)
~$22,000Average annual Card Member spend
~80,000Employees globally
$218B+Market capitalization (early 2025)
175 yearsYears since founding (1850)
From Stagecoaches to Charge Plates
The company that would become one of the world's most recognizable financial brands began as something closer to FedEx. In 1850, three competing express freight companies — Wells & Company, Butterfield & Wasson, and Livingston, Fargo & Company — merged in Buffalo, New York, forming the American Express Company to consolidate their overlapping routes across the northeastern United States. The principals were Henry Wells, William Fargo, and John Warren Butterfield, men who had spent the 1840s racing one another to move packages, currency, and valuables along the expanding railroad lines between New York, Boston, and the Great Lakes.
The express business was infrastructure made personal. Before reliable postal service, before insured banking networks, express companies were the trusted third party — the institution that would carry your gold dust from San Francisco to your family in Albany, that would move banknotes between cities when banks themselves couldn't guarantee safe transit.
Trust was the product.
Speed was the differentiator. By 1862, American Express operated 890 offices, employed more than 1,500 people, and covered nearly 10,000 miles of railway routes. It was, in a sense, the payments network before payments networks existed.
Wells and Fargo, unable to convince the Amex board to expand into California's gold rush territory, spun out Wells, Fargo & Company in 1852 to serve the West Coast — a decision that would produce not one but two enduring American financial brands from the same founders. American Express stayed east, stayed conservative, stayed solvent.
The express business was profitable but bounded. The leap into financial services came in 1882, when American Express introduced the money order — a safe, portable instrument for transferring funds — and then, more consequentially, in 1891, when J.C. Fargo, then president of the company, returned from a European trip furious that his letters of credit were nearly useless outside major cities. The result was the American Express Travelers Cheque, conceived by employee Marcellus Fleming Berry. It was elegant: a pre-printed instrument, signed once at purchase and again at redemption, that could be cashed anywhere a merchant recognized the American Express name. The float — money paid by customers that sat in Amex's accounts until the cheques were redeemed — generated enormous returns. By the mid-twentieth century, Travelers Cheques represented billions of dollars in outstanding float, essentially interest-free loans from customers to the company. For a fuller account of the company's freight-to-finance metamorphosis, Jon Friedman and John Meehan's
American Express: The People Who Built the Great Financial Empire remains an essential narrative.
The charge card arrived in 1958 — late, by the standards of the industry. Diners Club had pioneered the concept in 1950, and Bank of America had launched BankAmericard (later Visa) in Fresno, California, in September 1958. Amex's entry on October 1, 1958, was a deliberate response to Diners Club's incursion into the travel and entertainment spending that Amex considered its birthright. The first card was purple paperboard. By May 1959, it became the first plastic charge card in the world. But here was the critical distinction: it was a charge card, not a credit card. You paid in full. Every month. No revolving balances. No interest income from carrying debt forward. This was not an oversight. It was a philosophical choice — one that would define the company's economics, its customer base, and its strategic position for the next seven decades.
The Closed Loop and Its Discontents
To understand what makes American Express structurally different from every other major payments company, you need to understand the closed-loop model — and why nearly everyone in the industry has spent decades telling Amex it's wrong.
Visa and Mastercard operate open-loop networks. They are, in essence, railroads: they provide the infrastructure over which transactions travel, connecting thousands of issuing banks (who give consumers cards) with millions of acquiring banks and payment processors (who connect merchants). Visa and Mastercard never touch the money, never extend credit, never bill a consumer. They clip a small toll — a few basis points — on every transaction. Their business is defined by universality: the more merchants accept the card, the more consumers carry it, the more banks issue it. Volume is everything. Margin is thin but capital requirements are effectively zero.
American Express is the railroad and the freight company. It issues the card directly to the consumer. It bills the consumer. It extends the credit (or, in the case of charge cards, the short-term receivable). It signs up the merchant. It processes the transaction. It owns the relationship on both sides. This is the closed loop: a single entity controlling every node in the transaction chain.
The disadvantages are obvious and have been catalogued by analysts for decades. Amex must fund its own receivables — billions of dollars in consumer spending that sits on its balance sheet until cardholders pay. It bears the credit risk. It needs a banking charter (or a bank subsidiary) to fund its lending. Its capital requirements are vastly higher than Visa's or Mastercard's. And because Amex charges merchants a higher fee — the "discount rate," historically around 2.3–2.5%, versus roughly 1.5–2.0% for Visa and Mastercard — merchants have a powerful incentive to steer customers toward other cards, or to refuse Amex altogether. For years, entire categories of merchants — gas stations, grocery stores, big-box retailers — simply didn't accept American Express. Costco, famously, struck an exclusive co-brand deal with Amex for years before switching to Visa in 2016, a defection that sent shockwaves through the company's stock price.
American Express has been unable to recover from past flawed business decisions because rivals Visa and MasterCard have excluded it from markets... Visa and MasterCard bar the 6,000 banks in their own networks from issuing American Express cards.
— Kenneth Chenault, testimony in U.S. v. Visa, June 2000
That testimony — from Kenneth Chenault, then Amex's president, in the Justice Department's landmark antitrust case against Visa and Mastercard — captures the competitive vice that nearly crushed American Express. For decades, Visa and Mastercard enforced exclusivity rules: any bank that issued a Visa or Mastercard could not simultaneously issue an American Express card. Since virtually every major U.S. bank was a member of one or both networks, Amex was locked out of the bank-issuance channel entirely. The 2001 settlement forced Visa and Mastercard to drop these rules, opening the door for banks to issue Amex-branded cards — a door that Amex has since walked through selectively, partnering with banks to extend its network while retaining control of the customer relationship.
But here's the thing the bears missed, and it took the data revolution to make it visible: the closed loop's greatest liability was also its greatest asset. Because Amex owns both sides of the transaction, it knows exactly who is buying what, where, when, and for how much. Visa sees aggregate data; it knows that a transaction for $347 occurred at a merchant coded as "restaurant" in Manhattan. Amex knows that a 34-year-old Card Member who lives in Brooklyn, works in finance, dines at a specific restaurant three times a month, spends heavily on travel in Q4, and has an average ticket size 40% above the cohort median — and it can use that data to target offers, adjust credit limits, and build merchant partnerships with a precision that open-loop networks cannot match. The closed loop is not a bug. It is the company's single most important strategic asset, and every major move of the past two decades — from premium card refreshes to the acquisition of the restaurant reservation platform Resy — has been designed to deepen it.
The Salad Oil Scandal and the Buffett Trade
No account of American Express can avoid the events of November 1963, because no event better illustrates the peculiar durability of the brand — and because it attracted the attention of the investor whose ownership would itself become part of the moat.
Anthony "Tino" De Angelis was a Bayonne, New Jersey, commodities trader who ran Allied Crude Vegetable Oil Refining Corporation. He had been using American Express Field Warehousing Company — a subsidiary that issued warehouse receipts against stored commodities — to obtain loans. The receipts certified that millions of pounds of soybean and cottonseed oil were stored in tanks in Bayonne. The oil, it turned out, was mostly water. When the scheme collapsed, American Express was exposed to over $60 million in losses (equivalent to more than $600 million today) on the fraudulent receipts its subsidiary had issued. The stock cratered, falling from $65 to $35. The question was existential: Was American Express legally obligated to make good on the warehouse receipts? The company's lawyers said no — the subsidiary was a separate legal entity, and the fraud was perpetrated by De Angelis, not by Amex. But Howard Clark Sr., then CEO, understood something the lawyers didn't. The Travelers Cheque business, which generated the company's float and its franchise value, depended entirely on trust. If American Express was seen as the kind of company that let its customers absorb losses from fraud committed under its name, the Travelers Cheque would be worthless paper. Clark committed to honoring the receipts. The company paid out approximately $60 million.
Enter
Warren Buffett. He was thirty-three years old, running the Buffett Partnership out of Omaha, and he saw in the crisis what he would later call a "franchise" — a business whose value resided not in its physical assets but in its customers' habitual, almost reflexive trust. According to the lore, Buffett sent a researcher (or went himself, depending on the telling) to restaurants and shops to watch whether people were still using American Express cards. They were. The spending hadn't slowed. The brand was intact. The stock was on sale. Buffett invested approximately $13 million — roughly 40% of the Buffett Partnership's assets, a concentration that would give modern compliance officers heart palpitations — and eventually earned a multi-fold return as the stock recovered.
My Amex investment represented about 40% of the partnership's net assets. This was an exceptional concentration, but I was very sure of my analysis.
— Warren Buffett, Berkshire Hathaway Annual Letter, 1991
Buffett would return to American Express repeatedly. By the early 1990s, Berkshire Hathaway owned a significant stake. Today, Berkshire holds approximately 21% of American Express's shares outstanding — a position worth more than $40 billion — making it one of the largest and longest-held positions in the Berkshire portfolio. Buffett's ownership is not merely financial. It is itself a form of brand equity: the endorsement of the world's most famous value investor signals to the market that the franchise is durable, the economics are favorable, and the management is trusted. The company's inclusion as one of Buffett's "four giants" — alongside Apple, Coca-Cola, and Bank of America — places it in a category of investments Buffett has described as essentially permanent holdings.
The Empire Strikes Out
The period between 1980 and 2000 was American Express's great strategic misadventure — and, in retrospect, the crucible that forged the focused company it is today.
James D. Robinson III became CEO in 1977 and embarked on a vision of American Express as a "financial supermarket." Robinson, a Georgia-born Harvard MBA with the patrician bearing of old-line banking, believed that the Amex brand could extend into brokerage, investment banking, insurance, and asset management. In quick succession, the company acquired Shearson Loeb Rhoades (a brokerage) in 1981, Investors Diversified Services (a financial planning firm, later Ameriprise) in 1984, and Lehman Brothers Kuhn Loeb (an investment bank) in 1984. The combined entity was rebranded "Shearson Lehman/American Express." Robinson's vision: a one-card, one-brand financial empire that would serve every financial need of the affluent consumer.
It was a disaster. The cultures clashed violently. The brokerage business had none of the operating leverage of the card business. Lehman Brothers, with its trading risks and volatile earnings, was the antithesis of Amex's steady, fee-driven revenue stream. As Jon Friedman and John Meehan document in
American Express: The Unofficial History of the People Who Built the Great Financial Empire, Robinson's empire-building diluted both management attention and capital allocation discipline. The card business, which needed continuous investment in merchant acceptance and customer service, was starved of resources while capital flowed to prop up underperforming acquisitions.
Robinson was pushed out in 1993, replaced by Harvey Golub, a McKinsey veteran who would spend the next eight years dismantling the financial supermarket and refocusing the company on its core: the card, the network, and the fee-paying customer. Golub sold Lehman Brothers to Sandy Weill's Primerica (which became part of Citigroup). He spun off Shearson's brokerage to Primerica as well. And he began the process of rethinking the card business itself, investing in premium products and merchant acceptance.
The final act of divestiture came in 2005, under Kenneth Chenault, when American Express spun off Ameriprise Financial — the old IDS financial planning business — as an independent public company. The shareholder letter announcing the spin was stark in its strategic clarity: "American Express Company will focus on its high-growth, high-return card payments and network processing businesses. We are raising our long-term return on equity target from 18-to-20 percent to 28-to-30 percent post-spin." The sentence reads like a corporate press release. It was actually a manifesto. By shedding everything that wasn't the card and the network, Amex was betting that a focused, high-fee, premium payments business could compound at returns that would make the financial supermarket look like a yard sale.
Key moments in Amex's return to focus
1993Harvey Golub replaces James Robinson III as CEO; begins dismantling the "financial supermarket."
1994Lehman Brothers sold to Primerica/Smith Barney for approximately $360 million.
1993–94Shearson brokerage assets divested to Primerica.
2001Kenneth Chenault becomes CEO; inherits post-9/11 travel collapse and focuses on rebuilding the core card business.
2005Ameriprise Financial spun off as independent public company; Amex raises long-term ROE target to 28–30%.
2016Costco co-brand partnership ends; Amex loses ~10% of cards in force but margin improves.
Chenault and the Architecture of Premium
Kenneth Irvine Chenault became CEO of American Express on January 1, 2001 — nine months before the attacks of September 11 destroyed the company's headquarters at the World Financial Center, killed eleven employees, and obliterated the travel industry that was Amex's lifeblood. Born in Hempstead, Long Island, the son of a dentist, Chenault had graduated from Bowdoin College and Harvard Law School before joining the consulting firm Bain & Company, and then Amex in 1981. He rose through the merchandise and card divisions with a particular gift for seeing around corners — for understanding that the card business was not about payments per se but about membership, about the emotional and social meaning of the brand in a customer's life.
Chenault's first act after 9/11 was to waive late fees, extend credit, and send personal letters to affected customers — gestures that cost tens of millions of dollars and were, from a pure cost-accounting perspective, irrational. From a brand-building perspective, they were genius. American Express's card renewal rates barely dipped. The message was clear: Amex has your back. You are not a transaction. You are a member.
His strategic contribution, though, was architectural. Chenault understood that the premium card — the Gold, the Platinum, and eventually the Centurion (the "Black Card," introduced by invitation only in 1999) — was not merely a product tier. It was the economic engine of the entire model. A premium Card Member pays an annual fee ($695 for the Platinum in Chenault's era, $895 today), spends dramatically more per year, defaults at dramatically lower rates, and responds to curated offers with dramatically higher conversion rates. The math is lopsided: a single Platinum Card Member might generate more revenue — from discount fees, annual fees, interest (on Amex's growing lending portfolio), and net card fees — than five or six basic Green Card holders combined.
Chenault's insight was to invest aggressively in the experience surrounding the premium card — airport lounges (the Centurion Lounge network, launched in 2013 under his watch), concierge services, exclusive event access, travel credits — so that the annual fee felt not like a cost but like a membership in a club. This was the Amex flywheel avant la lettre: higher annual fees funded richer benefits, which attracted higher-spending customers, who generated more discount revenue from merchants, who accepted the higher discount rate because Amex's customers spent more per visit.
Millennial and Gen Z consumers represent over 60 percent of new account acquisitions globally. They're spending more, they're more engaged, and they're very comfortable paying for the exceptional value our premium products deliver.
— Stephen Squeri, American Express Q4 2023 Earnings Call
The Costco Divorce and What It Revealed
When Costco Wholesale ended its exclusive co-brand relationship with American Express in March 2016, shifting its roughly 11 million co-branded cardholders to Citigroup-issued Visa cards, the market treated it as a catastrophe. Amex's stock, already under pressure, dropped sharply. Analysts questioned whether the company could survive the loss of such a massive card base — Costco co-brand cards represented approximately 10% of Amex's total cards in force and roughly 20% of its worldwide lending portfolio.
What happened next was the reveal. The Costco co-brand customer was, from Amex's perspective, the wrong customer. These were price-sensitive consumers who paid no annual fee, spent less per card, defaulted at higher rates, and had no particular loyalty to the American Express brand — they carried the card because it was the only credit card Costco accepted. When they left, Amex's average spend per card increased. Credit quality improved. The fee-paying customer base — the people who carried an Amex Gold or Platinum because they chose to, not because a warehouse club made them — was revealed as the real engine.
The Costco loss was, paradoxically, a clarity event. It forced incoming CEO Stephen Squeri, who took over from Chenault in February 2018, to double down on the premium strategy rather than chase volume. Squeri — a 39-year Amex veteran who had run every major business unit and possessed an operator's instinct for unit economics — raised the Platinum Card's annual fee, enhanced its benefits dramatically, invested heavily in dining (acquiring Resy, the restaurant reservation platform, in 2019), and launched a sustained marketing campaign aimed squarely at millennial and Gen Z consumers. The conventional wisdom — that younger consumers would balk at a $695 annual fee, that they preferred no-fee fintech products, that they were anti-brand — proved spectacularly wrong.
The Spend-Centric Model
American Express makes money differently from every other major card company, and understanding the difference is the key to understanding the business.
Visa and Mastercard are network toll collectors. Their revenue is almost entirely derived from transaction fees paid by acquiring banks and processors — a few basis points per transaction. They bear no credit risk. They fund no receivables. Their operating margins exceed 60%.
American Express is a spend-centric model. Its economics are built on three interconnected revenue streams:
Discount revenue — the fee merchants pay to accept Amex, typically 2.2–2.5% of each transaction. This is by far the largest revenue line, representing more than half of total revenues. Because Amex's average Card Member spends so much more per visit than a typical Visa or Mastercard holder, the absolute dollar amount of discount revenue per Card Member is disproportionately large, even though the percentage rate has been gradually declining under competitive pressure.
Net card fees — the annual fees paid by Card Members for premium products. This line has been the fastest-growing revenue stream in recent years, driven by the proliferation of higher-fee products (Platinum at $695–$895, Gold at $250–$325, the Centurion at $5,000+). In FY2024, net card fees exceeded $8 billion, growing at a mid-teens percentage rate.
Net interest income — revenue from Amex's lending portfolio, including its credit card lending products (Blue Cash, EveryDay, various co-brands) and its personal loan and savings products. Amex has historically been more conservative in its lending than most banks, maintaining lower charge-off rates, but lending has become an increasingly important contributor as the company has expanded beyond the pure charge-card model.
The genius of the structure is that these streams reinforce each other. A high-spending, fee-paying Card Member generates discount revenue on every swipe, pays an annual fee every year, and — if they carry a balance on a lending product — generates interest income. The all-in revenue per card is dramatically higher than the industry average, which allows Amex to reinvest in richer rewards and experiences, which attracts more high-spenders, which justifies the higher merchant fee, which funds the whole cycle. This is not a payments processing business. It is a membership economy dressed in financial services clothing.
The [Brand](/mental-models/brand) as Moat
Walk through any major airport terminal in the United States and you'll notice a particular architectural feature: a lounge with a minimalist white façade and a small centurion logo. The Centurion Lounge network — now spanning over 40 locations globally — is the physical embodiment of Amex's brand strategy. The lounges are expensive to build and operate. They are capacity-constrained by design. And they are, for a growing number of consumers, the single most important reason to carry a Platinum Card.
This is the deeper logic of American Express's brand. It is not merely a financial services company that happens to have good marketing. It is a company that has systematically blurred the boundary between a financial product and a lifestyle brand. The annual fee is not a cost — it is the price of admission to a curated experience ecosystem that includes airport lounges, restaurant reservations (through Resy, which Amex acquired in 2019 for an undisclosed sum), hotel credits (the Fine Hotels + Resorts program), concert presales, and a constellation of exclusive events and offers. Every touchpoint is designed to make the Card Member feel something — prestige, belonging, access — that a Visa card, no matter how generous its cashback, cannot replicate.
The brand has a generational resonance that defies demographic predictions. The "Don't Leave Home Without It" campaign of the 1970s and 1980s cemented Amex in the consciousness of baby boomers. The Centurion Lounges and Resy partnership are doing the same for millennials and Gen Z. Fortune reported in April 2025 that Gen Z creators and entrepreneurs have made Amex "cool" — not ironically, not nostalgically, but genuinely. They post unboxing videos of their Platinum Cards on TikTok. They share Centurion Lounge experiences on Instagram. The annual fee, for this cohort, is not a barrier but a signal — proof that you've arrived, that you take your financial life seriously, that you belong to a community of people who value experience over mere transactions.
Rolex provides an instructive analogy. Both companies sell products that are functionally unnecessary — a Timex tells time as well as a Rolex, a Visa card processes payments as well as an Amex. Both charge a premium that would be irrational if the product were purely utilitarian. Both derive their moat not from utility but from meaning — from the social and psychological weight that the brand carries. The difference is that Amex's brand moat is reinforced by the closed-loop data advantage, creating a feedback cycle between brand equity and operational superiority that Rolex (which doesn't track what its customers buy) cannot replicate.
Squeri's Machine
Stephen Joseph Squeri became chairman and CEO on February 1, 2018, inheriting a company that had just weathered the Costco loss, the departure of its iconic predecessor, and a strategic debate about whether premium focus was sustainable or suicidal. A Philadelphia native, the son of Italian immigrants, Squeri had joined Amex straight out of Cornell's MBA program in 1985 and spent 33 years inside the company — running the global corporate payments group, leading technology and operations, overseeing U.S. consumer services. He was the ultimate insider: no flash, no grand vision statements, just an engineer's obsession with the gears of the machine.
His tenure has been defined by three strategic bets:
First, the radical enrichment of premium products. Squeri raised the Platinum Card's annual fee multiple times — from $450 to $550 to $695 to $895 — while simultaneously loading the card with benefits (Uber credits, streaming credits, hotel credits, Centurion Lounge access, Global Entry fee credits) that, on paper, exceed the annual fee in total value. The psychology is deliberate: the Card Member who uses the benefits feels they're beating the system, while Amex earns discount revenue on every transaction and retains the Card Member year after year. Retention rates on the Platinum Card remain exceptionally high.
Second, the aggressive courting of younger consumers. Under Squeri, Amex revamped the Gold Card as a dining and grocery rewards powerhouse aimed squarely at millennials, invested in Resy as a dining discovery platform, and launched marketing campaigns on social media channels that the company's traditional advertising would never have touched. The result: more than 60% of new account acquisitions globally now come from millennial and Gen Z consumers, a figure Squeri cites on virtually every earnings call.
Third, the expansion of the merchant network. The historical knock on Amex — "they don't take it here" — has been systematically addressed. Amex's merchant acceptance in the United States now covers the vast majority of credit-card-accepting locations, a dramatic expansion from a decade ago. International acceptance remains a growth opportunity, particularly in Asia and Latin America.
The financial results speak for themselves. From 2018 through 2024, revenue grew from approximately $40 billion to $65.9 billion. Earnings per share compounded at a double-digit rate. Return on equity has consistently exceeded the company's 25%+ target. And — perhaps most tellingly — the stock has roughly tripled.
The Data Advantage Nobody Talks About
Every discussion of Amex's competitive moat mentions the brand. Many mention the closed-loop network. Few linger on the most consequential implication of the closed loop: the data.
Because American Express is both the issuer and the acquirer — because it sees the full transaction on both sides — it possesses a unified view of consumer spending that no other payments company can replicate at the same level of granularity. Visa and Mastercard see transaction data, but it flows through intermediary banks and processors who own the direct customer relationships. Amex sees the Card Member's identity, their spending history, their payment behavior, their geographic patterns, and — crucially — the merchant's transaction volume, customer demographics, and competitive positioning, all in a single integrated data set.
This data advantage manifests in several concrete ways. Amex's underwriting models are, by the testimony of industry participants, among the most sophisticated in consumer finance — because they are built on proprietary spending data, not just credit bureau scores. Amex's marketing offers — targeted discounts, "Amex Offers" that appear in the card's app for specific merchants — are powered by the closed-loop data, enabling merchant partnerships that are effectively performance marketing: the merchant pays only when an Amex Card Member actually spends. And Amex's ability to attract and retain premium Card Members is reinforced by the quality of the offers, which are in turn enabled by the quality of the data, which is in turn deepened by the breadth of the Card Member base.
It's a recursive advantage. The more Card Members Amex acquires, the richer the data set. The richer the data set, the better the offers. The better the offers, the more merchants want to participate. The more merchants participate, the more valuable the Card Member experience. The more valuable the experience, the more Card Members Amex acquires. This is the flywheel that most analysts, fixated on the discount rate differential with Visa, consistently underweight.
The Shadow of Disruption
If the closed-loop data advantage is Amex's greatest strength, the question of technological disruption is its most persistent anxiety.
The fintech revolution of the 2010s produced a generation of companies — Square (now Block), Stripe, Adyen, Klarna, Affirm — whose explicit thesis was that incumbent payments infrastructure was too expensive, too exclusionary, and too opaque. Buy-now-pay-later challenged the entire concept of a charge card. Mobile wallets (Apple Pay, Google Pay) threatened to disintermediate the physical card. Neobanks (Chime, Nubank) offered no-fee checking and debit products to the exact mass-market consumers that Amex had never served. Sebastian Siemiatkowski, the Klarna CEO, built his company on the premise that consumers — especially younger ones — wanted to split payments seamlessly at checkout, without annual fees, without the baggage of a legacy brand.
And yet. The predicted disintermediation hasn't materialized for Amex, and the reason is structural. Fintech disruption has primarily targeted the low end of the payments market: underbanked consumers, small merchants, micro-transactions, debit-based spending. American Express doesn't compete in that space. Its customers are, overwhelmingly, affluent consumers and premium business travelers — exactly the cohort that is least price-sensitive to fees and most responsive to experiential benefits. Buy-now-pay-later competes with credit cards for budget-constrained consumers; it doesn't compete with a $695 Platinum Card whose holder charges $50,000 a year and doesn't need to split a $200 purchase into four installments.
The more genuine risk is not from below but from adjacent. Chase Sapphire Reserve, launched by JPMorgan in 2016 with a $450 annual fee and a massive sign-up bonus, was the first credible premium card competitor to directly target Amex's high-spending cohort from within the open-loop network. Capital One's Venture X, launched in 2021 at a $395 annual fee, pushed further. Both products demonstrated that affluent consumers will pay annual fees for premium cards on the Visa or Mastercard network — which means they can use the card at every merchant that accepts Visa, without the historical acceptance gaps that plagued Amex. If the premium card experience can be replicated on a universal network, the closed loop becomes a constraint rather than an advantage.
Amex's response has been to compete on brand and experience rather than on network ubiquity — to make the case that the Centurion Lounge, the Resy integration, the curated merchant offers, and the sheer social cachet of the card are worth the occasional merchant who doesn't accept it. So far, the market has agreed. But the Chase Sapphire threat is real, ongoing, and intensifying.
175 Years of Reinvention
🏛️
A Timeline of Transformation
175 years from stagecoaches to smartphones
1850American Express founded in Buffalo, NY, through merger of three express freight companies.
1882Launches money order business — first step into financial services.
1891Introduces the Travelers Cheque, creating billions in float revenue.
1958Issues first charge card (October 1); first plastic card follows in 1959.
1963Salad Oil Scandal; CEO Howard Clark honors $60M in fraudulent warehouse receipts.
1964Warren Buffett invests ~$13M (40% of partnership assets) in Amex.
1977James Robinson III becomes CEO; begins "financial supermarket" acquisitions.
There's a way to read the 175-year history of American Express as a single, continuously evolving answer to the same question: How do you build a financial brand that people trust with their money and their identity?
Express freight was trust made physical — you handed your valuables to a company, and they delivered them safely. The Travelers Cheque was trust made portable — a piece of paper that any merchant in the world would honor because the American Express name guaranteed it. The charge card was trust made transactional — you spent today, and the company trusted you to pay tomorrow, while the merchant trusted the company to pay regardless. The premium card ecosystem is trust made aspirational — you pay a fee not for the transaction but for the relationship, for the feeling of belonging to a community that the company curates.
At every stage, the product changed completely but the underlying franchise — the customer's willingness to associate their financial identity with the American Express brand — remained constant. It is this franchise, this irreducible brand equity, that Warren Buffett recognized in 1964 when he watched people in restaurants still reaching for their Amex cards after the Salad Oil Scandal, and it is this franchise that continues to compound six decades later.
The evening of September 18, 2025. American Express announces a redesigned Platinum Card — new metal finish, upgraded benefits, annual fee rising to $895. The press release lists a cascade of credits and perks. But the real number is buried deeper in the details: the company expects the fee increase to contribute roughly $1 billion in incremental annual card fee revenue within two years. One billion dollars. Not from lending. Not from merchant fees. From people choosing to pay more for the privilege of membership. The line between a financial product and a luxury good has never been thinner, and American Express has spent 175 years erasing it.