Mercado Libre’s Q4 2025 results highlight tension between record growth and shifting expectations.

While revenue rose 45% YoY to $8.8B and GMV hit $19.9B, the stock saw a sharp correction. This reflects a pivot in sentiment following an earnings miss versus consensus. The market is no longer rewarding top-line velocity alone, but challenging the capital intensity required to sustain that pace in a higher-rate environment.

Brazil remains MELI’s engine (53% of revenue). Focus is the $12.5B credit portfolio, which expanded 90% YoY and is central to the investment debate. The issue is not provisioning itself, but how credit interacts with earnings quality. Results challenged the repeatability of historical margins and made the long-term economics of Brazil look less straightforward. As competition intensifies, Mercado Pago must prove it can support engagement without further complicating valuation.

Argentina remains critical for profitability. Even under Milei’s macroeconomic adjustments, MELI’s dominant position generates stronger margins than competitive markets. This support is vital to fund the group’s investment cycle and defense of Brazil, where margins are structurally lower. Effectively, Argentina’s cash flow provides regional flexibility, but this cushion cannot be treated as unlimited if competitive pressure in Brazil continues rising.

Beyond “Shopee Shadow,” “Amazon Shadow” is increasingly relevant to valuation. Amazon’s local infrastructure investment pressures MELI’s moat, even with its lead in last-mile density. The debate has shifted from delivery speed to who can sustain service levels and acquisition with better capital efficiency. Growth is no longer enough; MELI must prove its Brazil leadership remains defensible and economically self-sustaining as global peers raise the bar.