⚠ Scale That Does Not Set the PriceModerate threat
StoneCo (STNE) — threat to the moat
Being among Brazil's six largest acquirers determines how well StoneCo survives a price war, not whether one happens.
StoneCo settled R$560.9 billion of volume in 2025, up from R$438.3 billion two years earlier, and by the industry association's data ranks among the six largest players in Brazil by total card volume1. That is real scale, and it buys real things: better interchange economics, cheaper processing per transaction, and a fixed cost base spread across more volume.
What it does not buy is the price. Acquiring in Brazil is contested by two bank-owned processors, two listed challengers and a marketplace, and a merchant can hold terminals from several of them at once. In that structure the marginal price is set by whoever is most willing to accept a thin margin this quarter, and being large mostly determines how well you survive that rather than whether it happens.
StoneCo's own annual report argues the case for stability, pointing out that take rates for small and medium merchants in the United States have held for five years despite card penetration well above 100 percent of consumer spending, and that its internal analysis finds no sign of price cuts driven by saturation in Brazilian cities where cash has already disappeared.
That is a reasonable argument and it is an argument, not a result. The number that settles it is StoneCo's own take rate on MSMB volume. If scale is worth what the moat page claims, that figure should be flat or rising while volume grows. A falling take rate on rising volume is scale buying share rather than earning a return.
- ReportedStoneCo settled R$560.9 billion of TPV in 2025 against R$438.3 billion two years earlier, and ranks among the six largest Brazilian players by total card volume per ABECS; its own analysis finds US MSMB take rates stable over five years and no saturation-driven price cuts in low-cash Brazilian cities.StoneCo Ltd. Form 20-F for FY2025 (CIK 1745431) — active payment clients of 4,803.5 thousand at 31 December 2025, against 4,172.7 thousand in 2024 and 3,522.1 thousand in 2023; TPV of R$560.9 billion, against R$516.2 billion and R$438.3 billion; revenue of R$14,153.8 million and adjusted net income from continuing operations of R$2,477.2 million; more than 3.6 million banking active clients, the majority of whom are also payment clients; retail deposits of R$11,091.0 million against R$8,704.8 million and R$6,119.5 million; a credit portfolio of R$2,836 million with expected credit losses of R$389.7 million, against R$1,207.6 million and R$144.5 million a year earlier; clients divided into MSMBs (micro-merchants and SMBs) and Key Accounts, 'comprised of platform services and sub-acquirers'; StoneCo became in 2017 the first non-banking entity authorised by the Central Bank to operate as an Acquirer through a payments-institution licence, and is among the six largest players by total card volume per ABECS; distribution through proprietary and franchised hubs sold on 'service differentiation as the main driver', digital channels, and more than 500 Strategic Partners at December 2025; per the Central Bank, Pix's share of the total number of transactions rose from 1% in Q4 2020 to 52% in H1 2025 and its share of monetary volume from 1% to more than 26%; the filing warns that 'the concentration of our clients by geography and economic sector may increase our risk' and that the company experiences churn from business closures and account transfers; interest rates directly affect both revenue generation and cost of funds, most third-party funding being linked to the Brazilian interbank rate; StoneCo's own analysis notes that US MSMB take rates have been stable over five years despite penetration around 120% of consumption, and finds no indication of saturation-driven price reductions in Brazilian cities with low cash usage — FY2025 · publ. 2026 · source ↗