Portfolios Won, Kept and DeclinedNarrow moat

Mastercard (MA) — moat facet

Mastercard keeps its largest banks by paying them, and proved in 2026 that it will also walk away from one.

The rebate line buys something, and 2025 and 2026 show what. Mastercard's chief executive said the company was executing and winning with programs like the Apple Card1. On the second-quarter 2026 call management described renewals with JPMorgan Chase and Banamex, flips from Alliance Federal Credit Union and Eurobank, and new wins in Europe2.

Gross dollar volume by region, Q2 2026 ($bn)Europe1,025United States858Asia Pacific, ME and Africa654Latin America269Canada76Mastercard Q2 2026 results release
Europe is now the largest region by volume.

Renewals matter as much as wins. A portfolio kept is volume that did not have to be won again from scratch, and the renewal is usually the moment the bank asks for more. Rebates grew 16% in 2025, which the filing attributes partly to new and renewed deals3.

The more telling item is the portfolio Mastercard declined. On the same call management said European growth had slowed partly because of the decision to pass on the Lloyds credit deal, explaining that winning share of a low-growth portfolio becomes a drag on growth in later years4. A network that can walk away from a large British bank is not paying whatever it takes.

That discipline is the only real brake on the rebate spiral described elsewhere on these pages. It costs volume in the short run; it protects the value of every other contract in the long run.

The discipline has a cost that shows in the regional numbers. Management said European growth decelerated partly because of lapping earlier portfolio wins and partly because of the decision on Lloyds5; European gross dollar volume still grew 8.5% in local currency in the second quarter6. Declining a deal is visible for a year in the volume figures. Paying too much for it would be visible for a decade in the rebate line. Management has, at least once, chosen the first.

Evidence that the discipline holds would be a rebate share that stops rising while volume still grows at least 8%. Evidence that it has broken would be a large portfolio won at a price that sends rebate growth well above 20% for a full year.

Moat trajectory: Holding steady

Major renewals were kept, and a large UK credit deal was declined on price.

The number that tests this moat
Reported
Gross dollar volume growth, latest quarter
+8% local currency, $2.9tn (Q2 2026)

What the rebates buy; growth held near 8% without rebate growth accelerating would say the discipline works.

Source: Mastercard Q2 2026 results release ↗
⚠ Threats to the moat
⚠ THREAT 01
Every Renewal Is Priced Again
Every multi-year card contract ends in an auction, and the incentives Mastercard paid up front are still being written off years later.
References
  1. ReportedMastercard's chief executive said the company was executing and winning with programs like the Apple Card.
    Mastercard fourth-quarter and full-year 2025 results release, Form 8-K exhibit 99.1 - statements, cash flow and operating metrics. — FY2025 · publ. 29 January 2026 · source ↗
  2. ReportedOn the second-quarter 2026 call management described renewals with JPMorgan Chase and Banamex, flips from Alliance Federal Credit Union and Eurobank, and new wins in Europe.
    Yahoo Finance / GuruFocus, Mastercard Q2 2026 earnings call highlights (third-party summary of the call). — Q2 2026 · publ. 31 July 2026 · source ↗
  3. ReportedRebates grew 16% in 2025, which the filing attributes partly to new and renewed deals.
    Mastercard Form 10-K for fiscal 2025 - Item 7 MD&A: net revenue by category, key metrics, rebates, geography and the five largest customers. — FY2025 · publ. 11 February 2026 · source ↗
  4. ReportedOn the same call management said European growth had slowed partly because of the decision to pass on the Lloyds credit deal, explaining that winning share of a low-growth portfolio becomes a drag on growth in later years.
    Yahoo Finance / GuruFocus, Mastercard Q2 2026 earnings call highlights (third-party summary of the call). — Q2 2026 · publ. 31 July 2026 · source ↗
  5. ReportedManagement said European growth decelerated partly because of lapping earlier portfolio wins and partly because of the decision on Lloyds; European gross dollar volume still grew 8.5% in local currency in the second quarter.
    Yahoo Finance / GuruFocus, Mastercard Q2 2026 earnings call highlights (third-party summary of the call). — Q2 2026 · publ. 31 July 2026 · source ↗
  6. ReportedManagement said European growth decelerated partly because of lapping earlier portfolio wins and partly because of the decision on Lloyds; European gross dollar volume still grew 8.5% in local currency in the second quarter.
    Mastercard second-quarter 2026 results release, Form 8-K exhibit 99.1 - statements, cash flow, balance sheet and operating metrics by region. — Q2 2026 · publ. 30 July 2026 · source ↗
Sources
Generated September 25, 2026