MELI vs MRK: Which Is the Better Buy?

Side-by-side comparison of MercadoLibre, Inc. and Merck & Co., Inc. โ€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-04-11.
MercadoLibre, Inc. ยท Consumer Cyclical
$1,767.42
+41.4% upside to fair value
High Conviction Grade A
VS
Merck & Co., Inc. ยท Healthcare
$121.42
-2.9% upside to fair value
Med Conviction Grade B
QuantHub Verdict
MELI has more upside to fair value (+41.4%). MRK trades at a lower forward P/E (14.0x). These are model outputs โ€” not personalized investment advice. See all research โ†’
Valuation & Fundamentals
Metric MELI MRK
Current Price $1,767.42 $121.42
Fair Value Estimate $2,500.00 $118.00
Upside to Fair Value +41.4% -2.9%
Market Cap $89.6B $300.2B
Forward P/E 35.0x 14.0x
EV / EBITDA 18.5x 11.8x
Price / Sales 3.1x 4.1x
Price / FCF 8.9x 21.4x
Revenue Growth YoY +39.1% +1.3%
Gross Margin 44.5% 81.5%
Operating Margin 11.1% 41.2%
Return on Equity 33.7% 34.7%
Dividend Yield 0% 3.1%
FCF Yield 12.1% 4.7%
Analyst Consensus Strong Buy Buy
Investment Thesis
MELI โ€” MercadoLibre, Inc.
MercadoLibre is the dominant e-commerce and fintech ecosystem across Latin America, operating the largest marketplace and digital payments platform in a region with 670M+ people where e-commerce penetration is still under 15%. Revenue grew 39% to $28.9B in FY2025 with $10.8B in free cash flow โ€” a 12% FCF yield at current prices. The company is trading at its 5-year P/S minimum (3.1x) and P/FCF miโ€ฆ
MRK โ€” Merck & Co., Inc.
Merck is a top-5 global pharmaceutical company generating $65B in annual revenue with 81.5% gross margins and 28% net margins. Keytruda, the world's best-selling drug at $31.7B (49% of pharma revenue), faces patent expiry in 2028. Merck is aggressively building replacements through M&A and pipeline launches: Winrevair ($1.4B year one), Capvaxive ($759M), and the $6.7B Terns acquisition for TERN-7โ€ฆ
Accumulation Zones
Metric MELI MRK
Zone Low $1,875.00 $88.00
Zone High $2,125.00 $100.00
In Buy Zone? Yes No
โ† MELI Research    MRK Research โ†’    All Research