Mercado Libre Revenue Surges 50%, But Margin Squeeze Sends Shares Down 6%

Mercado Libre’s Q2 Revenue Soars While Profit Margins Tumble

Mercado Libre closed the second quarter of 2026 with its strongest revenue surge in four years—$10.169 billion, up 50% from the same period in 2025 and 43% after stripping out currency swings. The expansion ran through both its marketplace, where goods volume hit $21.9 billion, and its fintech arm, Mercado Pago, which processed more than $100 billion in payments for the first time. A credit portfolio that swelled 75% to over $16 billion underscored the breadth of the push. Yet those headline figures failed to reassure Wall Street.

The stock fell 6% in after-hours trading as investors recoiled from a stark profitability contraction. Operating profit slid 17% to $683 million, while net income dropped 11% to $466 million. The operating margin halved from 12.2% a year earlier to 6.7%, and the net margin compressed from 7.7% to 4.6%. The sell-off laid bare a persistent tension: Mercado Libre is selling more, moving more payments, and adding users faster than ever—but earning less because it is pouring scale back into logistics subsidies, discounts, lower commissions, credit expansion and customer acquisition.

The company framed the decision as a deliberate long-term value play, prioritizing the growth of its ecosystem over near-term profit. The bet is that a user who shops on the marketplace, pays with Mercado Pago, and uses its credit card becomes far more valuable over time. The numbers support the logic: ecosystem users generate 70% more sales volume and buy 55% more items, while their payment volume per user is nearly 90% higher and managed funds more than double. Still, the market sent a clear signal that it expects to see a path where growth can eventually coexist with healthier margins.

Inside Mercado Libre’s Growth-at-Any-Cost Bet and Why Investors Balked

The Growth-Margin Trade-off Intensifies

The 5.5-percentage-point drop in operating margin was largely driven by a higher cost of revenue (accounting for 4.7 points) and a jump in credit loss provisions (2.4 points). Those hits were partially offset by a lower administrative and product-development cost ratio. Mercado Libre linked the squeeze directly to three choices: aggressive discounts and fee reductions in Brazil, logistics costs that were not fully passed on to buyers, and heavy spending to acquire payment users, especially in Mexico. Compared with the first quarter, however, the margin was nearly flat—from 6.9% to 6.7%—which the company argues reflects the steady-state impact of investments that began in the second half of 2025.

Brazil’s Subsidized Expansion Pays Off in Volume, Not Yet in Profits

Brazil remained the growth engine, generating $5.53 billion in revenue—54% of the total—with a 59% dollarized increase. Items sold jumped 56% and active sellers rose 29%. A year ago, Mercado Libre slashed the minimum order threshold for free shipping, compressing near-term margins but triggering a surge in buyer frequency and cross-category purchasing. Conversion rates have since improved by 1.1 percentage points, the share of customers buying in three or more categories grew ten points, and items per user advanced 19%. Critically, the company now claims that variable contribution on slow, free shipping is already positive for half of the 19–79 real price tiers, helped by scale and better logistics utilization. In April, it layered on PIX payment discounts and lower selling fees for competitive pricing, further strengthening the offer while once again squeezing the quarter’s margins.

Argentina’s Consumer Weakness Pressures Both Commerce and Payments

Argentina contributed $1.84 billion in revenue, still growing 20% in dollars but showing clear deceleration. Marketplace volume expanded 38% in constant currency, down from 41% in the first quarter and 75% a year earlier. Items sold rose 22%, also slower. Mercado Libre attributed the softening to a weak consumer environment, even as it said it continued to gain share versus physical retail. The slowdown hit Mercado Pago too: acquiring volume grew 52% but lost speed in face-to-face payments, which reduced the ability to spread fixed costs. Argentina’s direct contribution margin fell nearly two points sequentially, and despite higher revenue, total contribution slipped from $661 million to $623 million. Softer demand and higher costs for payment devices both played a role.

Fintech Boom Brings Credit Risk to the Forefront

Mercado Pago’s revenue hit $4.41 billion, now 43% of the group total. Credit was the star: income from lending soared 72% to $2.28 billion. The portfolio reached $16.38 billion, with credit cards accounting for $7.68 billion—up 91%—and now representing 47% of all loans. During the quarter, 2.6 million plastic cards were issued, a million more than a year ago. That aggressive originations growth pushed provisions for bad loans from $690 million to $1.28 billion, the single biggest factor behind the margin decline. Mercado Libre argues the deterioration is not a sign of widespread weakness but a natural consequence of rapid expansion; early arrears rates (15–90 days) held at 7% overall and just 4.6% for cards. The net financial margin after losses improved sequentially to 20.7%, though it remained below the 23% of a year ago. Card-only margin turned negative at -2.5% as new customer acquisition temporarily weighs on profitability—a metric the company expects to correct as cohorts mature.

Signals That Will Determine If Mercado Libre’s Expansion Pays Off

• Watch Brazil’s free-shipping economics. The company says variable contribution is already positive for half the 19–79 real price range. If that spread continues through Q3, it would validate the thesis that scale can eventually fund the subsidies.
• Monitor Mercado Pago’s credit card margin. Currently at -2.5%, this is a leading indicator of whether the aggressive card issuance binge can turn profitable as newer customers build payment histories. A move into positive territory would signal that the credit engine is maturing without a spike in losses.
• Track Argentina’s direct contribution. After dipping to $623 million on higher device and fixed costs, any further erosion would raise questions about the speed of the local consumption recovery. A stabilization or rebound would confirm that the weakness was temporary.
• Keep an eye on Mexico’s margin recovery. The country’s contribution fell about four points on device-chip costs and softer demand. If the Q2 dip proves to be a one-off and margin trends back toward prior levels, it would ease concerns that the Mexican payment push is structurally less profitable.
• For competitors and partners: Mercado Libre’s scale is creating an increasingly sticky ecosystem—89 million buyers, 88 million payment users, and a credit portfolio larger than many traditional banks in the region. Failing to match that integration will make it difficult to compete on customer lifetime value.