Vistra Energy Corp (VST)vsWilliams Companies Inc (WMB)
VST
Vistra Energy Corp
$151.51
-0.79%
UTILITIES · Cap: $51.70B
WMB
Williams Companies Inc
$73.81
-0.87%
ENERGY · Cap: $90.96B
Smart Verdict
WallStSmart Research — data-driven comparison
Vistra Energy Corp generates 50% more annual revenue ($17.74B vs $11.83B). WMB leads profitability with a 22.1% profit margin vs 5.3%. VST appears more attractively valued with a PEG of 1.27. WMB earns a higher WallStSmart Score of 67/100 (B-).
VST
Buy53
out of 100
Grade: C-
WMB
Strong Buy67
out of 100
Grade: B-
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
+29.0%
Fair Value
$100.15
Current Price
$73.81
$26.34 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Large-cap with strong market position
Strong operational efficiency at 41.2%
Earnings expanding 50.8% YoY
Large-cap with strong market position
Keeps 22 of every $100 in revenue as profit
Areas to Watch
Trading at 19.5x book value
5.3% margin — thin
Weak financial health signals
Premium valuation, high expectations priced in
Expensive relative to growth rate
Premium valuation, high expectations priced in
Weak financial health signals
Negative free cash flow — burning cash
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 : WMB
The strongest argument for WMB centers on Operating Margin, EPS Growth, Market Cap. Profitability is solid with margins at 22.1% and operating margin at 41.2%.
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 : WMB
The primary concerns for WMB are PEG Ratio, P/E Ratio, Piotroski F-Score.
Key Dynamics to Monitor
VST profiles as a value stock while WMB 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.
VST generates stronger free cash flow (-82M), providing more financial flexibility.
Bottom Line
WMB scores higher overall (67/100 vs 53/100), backed by strong 22.1% 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.
Vistra Energy Corp
UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA
Vistra Corp. The company is headquartered in Irving, Texas.
Williams Companies Inc
ENERGY · OIL & GAS MIDSTREAM · USA
The Williams Companies, Inc., is an American energy company based in Tulsa, Oklahoma. Its core business is natural gas processing and transportation, with additional petroleum and electricity generation assets.
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