Merck & Company Inc (MRK)vsVistra Corp. (VST)
MRK
Merck & Company Inc
$111.38
-0.82%
HEALTHCARE · Cap: $277.36B
VST
Vistra Corp.
$147.72
-4.05%
UTILITIES · Cap: $52.12B
Smart Verdict
WallStSmart Research — data-driven comparison
Merck & Company Inc generates 271% more annual revenue ($65.77B vs $17.74B). MRK leads profitability with a 13.6% profit margin vs 5.3%. VST appears more attractively valued with a PEG of 1.38. VST earns a higher WallStSmart Score of 53/100 (C-).
MRK
Hold50
out of 100
Grade: D+
VST
Buy53
out of 100
Grade: C-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-14.9%
Fair Value
$97.76
Current Price
$111.38
$13.62 premium
Margin of Safety
-53.3%
Fair Value
$101.06
Current Price
$147.72
$46.66 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Mega-cap, among the largest globally
Strong operational efficiency at 38.6%
Generating 2.9B in free cash flow
Large-cap with strong market position
Areas to Watch
Premium valuation, high expectations priced in
4.9% revenue growth
Weak financial health signals
Expensive relative to growth rate
Trading at 19.1x book value
5.3% margin — thin
Weak financial health signals
Premium valuation, high expectations priced in
Comparative Analysis Report
WallStSmart ResearchBull Case : MRK
The strongest argument for MRK centers on Market Cap, Operating Margin, Free Cash Flow.
Bull Case : VST
The strongest argument for VST centers on Market Cap. Revenue growth of 13.6% demonstrates continued momentum. PEG of 1.38 suggests the stock is reasonably priced for its growth.
Bear Case : MRK
The primary concerns for MRK are P/E Ratio, Revenue Growth, Piotroski F-Score.
Bear Case : VST
The primary concerns for VST are Price/Book, Profit Margin, Piotroski F-Score. A P/E of 70.6x leaves little room for execution misses. Debt-to-equity of 3.36 is elevated, increasing financial risk.
Key Dynamics to Monitor
VST carries more volatility with a beta of 1.45 — expect wider price swings.
VST is growing revenue faster at 13.6% — sustainability is the question.
MRK generates stronger free cash flow (2.9B), providing more financial flexibility.
Monitor DRUG MANUFACTURERS - GENERAL industry trends, competitive dynamics, and regulatory changes.
Bottom Line
VST scores higher overall (53/100 vs 50/100) and 13.6% revenue growth. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Merck & Company Inc
HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA
Merck & Co. is an American multinational pharmaceutical company headquartered in Kenilworth, New Jersey. It is named after the Merck family, which set up Merck Group in Germany in 1668.
Visit Website →Vistra Corp.
UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA
Vistra Corp. The company is headquartered in Irving, Texas.
Visit Website →Compare with Other DRUG MANUFACTURERS - GENERAL Stocks
Want to dig deeper into these stocks?