MRK vs XOM: Which Is the Better Buy?

Side-by-side comparison of Merck & Co., Inc. and Exxon Mobil Corporation — fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-06-20.
Merck & Co., Inc. · Healthcare
$113.87
-12.1% upside to fair value
Grade D High Quality
VS
Exxon Mobil Corporation · Energy
$137.81
-45.0% upside to fair value
Grade C
QuantHub Verdict
MRK has more upside to fair value (-12.1%). XOM trades at a lower forward P/E (22.8x). These are model outputs — not personalized investment advice. See all research →
Valuation & Fundamentals
Metric MRK XOM
Current Price $113.87 $137.81
Fair Value Estimate $100.14 $75.80
Upside to Fair Value -12.1% -45.0%
Market Cap $281.2B $571.2B
Forward P/E 32.0x 22.8x
EV / EBITDA 17.3x 10.1x
Price / Sales 4.3x 1.8x
Price / FCF 19.9x 30.4x
Revenue Growth YoY +4.3% +2.6%
Gross Margin 75.9% 25.5%
Operating Margin 27.6% 9.0%
Return on Equity 17.9% 9.8%
Dividend Yield 0% 0%
FCF Yield 5.02% 3.29%
Analyst Consensus Hold Buy
Investment Thesis
MRK — Merck & Co., Inc.
Merck & Co., Inc. is a leading global healthcare company specializing in pharmaceuticals, vaccines, and animal health products. Its business quality is high, supported by a durable competitive moat anchored in the dominant global position of Keytruda in PD-1/PD-L1 oncology, a strong vaccines portfolio including Gardasil, and scale in R&D and manufacturing. The company benefits from a seasoned lea…
XOM — Exxon Mobil Corporation
Exxon Mobil Corporation is a leading integrated oil and gas company with a durable competitive moat based on its scale, integration, advantaged long-life resources, proprietary technology, and irreplaceable infrastructure. The company is led by a long-tenured management team with a strong capital allocation track record focused on dividends and buybacks. Despite these strengths, Exxon is currentl…
Accumulation Zones
Metric MRK XOM
Zone Low $75.11 $56.85
Zone High $85.12 $64.43
In Buy Zone? No No
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