Vistra Energy Corp (VST)vsWest Pharmaceutical Services Inc (WST)
VST
Vistra Energy Corp
$151.51
-0.79%
UTILITIES · Cap: $51.70B
WST
West Pharmaceutical Services Inc
$247.02
+0.71%
HEALTHCARE · Cap: $17.68B
Smart Verdict
WallStSmart Research — data-driven comparison
Vistra Energy Corp generates 477% more annual revenue ($17.74B vs $3.07B). WST leads profitability with a 16.1% profit margin vs 5.3%. VST appears more attractively valued with a PEG of 1.27. WST earns a higher WallStSmart Score of 55/100 (C-).
VST
Buy53
out of 100
Grade: C-
WST
Buy55
out of 100
Grade: C-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-980.6%
Fair Value
$14.82
Current Price
$151.51
$136.69 premium
Margin of Safety
-256.8%
Fair Value
$68.99
Current Price
$247.02
$178.03 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Large-cap with strong market position
Safe zone — low bankruptcy risk
Strong operational efficiency at 21.6%
Areas to Watch
Trading at 19.5x book value
5.3% margin — thin
Weak financial health signals
Premium valuation, high expectations priced in
Premium valuation, high expectations priced in
2.1% earnings growth
Expensive relative to growth rate
Comparative Analysis Report
WallStSmart ResearchBull Case : VST
The strongest argument for VST centers on Market Cap. Revenue growth of 13.6% demonstrates continued momentum. PEG of 1.27 suggests the stock is reasonably priced for its growth.
Bull Case : WST
The strongest argument for WST centers on Altman Z-Score, Operating Margin. Profitability is solid with margins at 16.1% and operating margin at 21.6%.
Bear Case : VST
The primary concerns for VST are Price/Book, Profit Margin, Piotroski F-Score. A P/E of 70.1x leaves little room for execution misses. Debt-to-equity of 3.36 is elevated, increasing financial risk.
Bear Case : WST
The primary concerns for WST are P/E Ratio, EPS Growth, PEG Ratio.
Key Dynamics to Monitor
VST profiles as a value stock while WST is a mature play — different risk/reward profiles.
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.
WST generates stronger free cash flow (175M), providing more financial flexibility.
Bottom Line
WST scores higher overall (55/100 vs 53/100), backed by strong 16.1% margins. Both earn "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.
Vistra Energy Corp
UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA
Vistra Corp. The company is headquartered in Irving, Texas.
West Pharmaceutical Services Inc
HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA
West Pharmaceutical Services, Inc. is a designer and manufacturer of injectable pharmaceutical packaging and delivery systems. The company is headquartered in Exton, Pennsylvania.
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