Blow to Mercado Libre: Shares Plunge 7% After Earnings Report Raises Profitability Concerns

Mercado Libre's shares plummeted nearly 7% in after-hours trading on Wall Street following the company's release of its second-quarter 2026 earnings report. The negative reaction occurred despite the company surpassing expectations in both revenue and earnings, and crossing the $10 billion mark in quarterly revenue for the first time.

Specifically, revenues reached $10.169 billion, a 50% increase from a year ago and above the market's expected range of $9.740 billion to $9.770 billion. Meanwhile, earnings per share stood at $9.19, compared to a forecast of around $8.94.

However, operating income fell 17% year-over-year to $683 million, while the margin decreased from 12.2% to 6.7%. Thus, the report continued to show a trend that has been repeating since the beginning of the year. Mercado Libre continues to expand its operations at a rapid pace, although the costs necessary to gain market share continue to pressure profitability.

In this regard, the company commented that the quarterly results were marked by a "strong growth in engagement across the ecosystem." The momentum came primarily from "strategic investments in free shipping, credit cards, cross-border commerce, MELI+, and the use of artificial intelligence." They emphasized that they would continue to strengthen the value proposition for users and sellers.

The main point of friction was not in growth, but in the compression of margins. Although earnings per share exceeded forecasts, they fell short of the $10.31 achieved in the same period last year. Meanwhile, net income declined 11% to $466 million, with a margin of 4.7%.

The company explained this dynamic by the decision to continue reinvesting in its ecosystem rather than prioritizing short-term profits. In particular, the company increased spending on free shipping, discounts through PIX, reduced commissions for sellers, and expanded its credit card business.

Thus, the second quarter extended the trend observed during the first three months of the year, when the operating margin also fell from 12.9% to 6.9%. The bet is to reduce barriers for buyers and sellers, accelerate the use of Mercado Pago, and strengthen its position in highly competitive markets like Brazil and Mexico.

According to IOL Inversiones, the increase in costs to sustain that strategy explains why the market did not reward the revenue improvement. Furthermore, even after the drop recorded after the close, the stock would trade at nearly 48 times its current earnings and 41 times projected earnings, multiples that still require high growth rates and leave little margin for execution errors.

Commercial activity again showed strong expansion. The gross merchandise volume sold through the platform grew 36% to $21.9 billion, while the total volume processed through Mercado Pago advanced 56% to reach $101 billion.

Brazil reaffirmed itself as the main growth engine, with a 59% year-over-year increase in revenue, exceeding expectations. In contrast, Argentina showed a slowdown, advancing 20%, compared to the 29% projected by consensus.

The financial business also maintained accelerated expansion. The total loan portfolio increased by 75% to $16.4 billion, primarily driven by credit cards, which now represent 47% of the total. This shift allowed for an expanded user base and financial income, although it also raised the risk assumed by the company.

In this sense, delinquency between 15 and 90 days decreased from 8% to 7%, while loans overdue by more than 90 days increased to represent 18.7% of the portfolio. Meanwhile, the net interest margin recovered three percentage points from the previous quarter to reach 20.7%, although it still stood two points below the level of a year ago.

On its part, the advertising business stood out again within the ecosystem. Mercado Ads revenues grew 62% at constant exchange rates, and the company surpassed 10% market share in Latin America's digital advertising market for the first time.

The report confirmed that Mercado Libre continues to scale at a rapid pace, with Brazil as the main engine, a greater penetration of Mercado Pago, and a sequential recovery of credit profitability. However, it also showed that this expansion still depends on a significant level of reinvestment.

For this reason, investors will closely monitor whether the disbursements made in Brazil and Mexico begin to generate operational leverage. That is, whether revenues can grow above costs and allow for a gradual recovery of margins without hindering the onboarding of buyers, sellers, and financial users. The company will need to demonstrate that free shipping, discounts, lower commissions, and credit expansion can strengthen the ecosystem without indefinitely deteriorating profitability. As long as margins do not show clear signs of stabilization, volume growth may not be sufficient to sustain a valuation that still demands virtually error-free execution.

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