Amazon.com vs. MercadoLibre: A Look at Which E-Commerce Stock Is a Better Investment in 2026

Amazon reported FY2025 revenue of $716.9B (+12.4% YoY) and net income of $77.7B (10.8% net margin), with a 1.1x current ratio and $7.7B in FY free cash flow, suggesting solid execution alongside ongoing AI investment. MercadoLibre delivered FY2025 revenue of $28.9B (+39.1%) and $10.8B free cash flow, but higher leverage (debt-to-equity 1.7x) and margin compression tied to AI-led growth were cited as drivers of a stock sell-off. The article argues Amazon is the better long-term 2026 buy for global stability and AWS AI growth (AWS +37% YoY to $42.2B), while also calling MercadoLibre a timely entry after the margin-driven drawdown.

Analysis

AMZN is the cleaner way to express secular AI infrastructure demand because the market can underwrite the cloud multiple with internal cash flow from retail/ads rather than assuming perfect execution. The second-order setup is that incremental AI spend should matter more to margin mix than top-line growth: if AWS stays >30% growth, the bear case on multiple compression weakens because the business is shifting toward higher-duration enterprise demand, while retail remains a cash engine rather than the thesis itself.

MELI remains the higher-beta compounder, but its key risk is not growth—it is the quality of growth under FX, credit, and funding volatility. A lot of the bull case depends on continued monetization of payments and credit without a spike in delinquencies; if rates or currency stabilize, MELI can re-rate hard, but if provisions rise the stock can de-rate quickly because the market pays for duration, not just revenue expansion.

Contrarian takeaway: consensus may be too comfortable calling AMZN "the safer choice" and too quick to dismiss MELI after a margin reset. Over 1-3 months, AMZN should trade on cloud cadence and capex discipline; over 6-18 months, MELI’s upside is more convex if Latin American macro normalizes. The thesis breaks if AWS growth decelerates materially or if MELI’s credit losses and operating margins fail to stabilize on the next earnings cycle.

Key Decisions for Investors

• Long AMZN / short MELI in equal dollars for 3-6 months: express quality-vs-duration relative value; target 10-15% spread compression if AWS growth remains strong and MELI margins stay pressured. Falsify if MELI reports sustained operating margin recovery or AMZN cloud growth drops below the low-30s.
• Add AMZN on weakness ahead of the next cloud-readthrough event: prefer staggered entry after any retail-led pullback, since the better catalyst is AWS mix rather than e-commerce sentiment. Risk/reward favors a lower-vol compounder over a higher-multiple regional compounder.
• Use MELI as a watchlist long, not an immediate chase: require evidence of improving credit costs and stable FX before sizing. If those metrics inflect positively, MELI can outperform on a 6-18 month horizon; if not, valuation can compress sharply.
• If you want a tactical hedge, pair long AMZN against a basket of high-multiple internet names to isolate the AI cash-flow story from broader duration risk. This is cleaner than an outright market call.
• Set an alert on AWS growth and MELI credit provisions at the next two earnings prints: those are the main falsifiers for both sides of the relative-value trade.