GlaxoSmithKline PLC ADR (GSK)vsVistra Corp. (VST)
GSK
GlaxoSmithKline PLC ADR
$50.41
-0.18%
HEALTHCARE · Cap: $101.38B
VST
Vistra Corp.
$147.72
-4.05%
UTILITIES · Cap: $52.12B
Smart Verdict
WallStSmart Research — data-driven comparison
GlaxoSmithKline PLC ADR generates 85% more annual revenue ($32.78B vs $17.74B). GSK leads profitability with a 17.8% profit margin vs 5.3%. GSK appears more attractively valued with a PEG of 0.50. GSK earns a higher WallStSmart Score of 66/100 (B-).
GSK
Strong Buy66
out of 100
Grade: B-
VST
Buy53
out of 100
Grade: C-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-3.1%
Fair Value
$56.71
Current Price
$50.41
$6.30 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
Growing faster than its price suggests
Every $100 of equity generates 41 in profit
Strong operational efficiency at 36.3%
Large-cap with strong market position
Attractively priced relative to earnings
Large-cap with strong market position
Areas to Watch
1.5% revenue growth
Elevated debt levels
Distress zone — elevated risk
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 : GSK
The strongest argument for GSK centers on PEG Ratio, Return on Equity, Operating Margin. Profitability is solid with margins at 17.8% and operating margin at 36.3%. PEG of 0.50 suggests the stock is reasonably priced for its growth.
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 : GSK
The primary concerns for GSK are Revenue Growth, Debt/Equity, Altman Z-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.
GSK generates stronger free cash flow (698M), providing more financial flexibility.
Monitor DRUG MANUFACTURERS - GENERAL industry trends, competitive dynamics, and regulatory changes.
Bottom Line
GSK scores higher overall (66/100 vs 53/100), backed by strong 17.8% margins. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
GlaxoSmithKline PLC ADR
HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA
GlaxoSmithKline plc is dedicated to the creation, discovery, development, manufacture and marketing of pharmaceuticals, vaccines, over-the-counter drugs and health-related consumer products in the UK, US and internationally. The company is headquartered in Brentford, the United Kingdom.
Vistra Corp.
UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA
Vistra Corp. The company is headquartered in Irving, Texas.
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