Intuitive Surgical Inc (ISRG)vsVistra Energy Corp (VST)
ISRG
Intuitive Surgical Inc
$469.98
-0.30%
HEALTHCARE · Cap: $167.61B
VST
Vistra Energy Corp
$151.51
-0.79%
UTILITIES · Cap: $51.70B
Smart Verdict
WallStSmart Research — data-driven comparison
Vistra Energy Corp generates 76% more annual revenue ($17.74B vs $10.06B). ISRG leads profitability with a 28.4% profit margin vs 5.3%. VST appears more attractively valued with a PEG of 1.27. ISRG earns a higher WallStSmart Score of 62/100 (C+).
ISRG
Buy62
out of 100
Grade: C+
VST
Buy53
out of 100
Grade: C-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-78.8%
Fair Value
$262.88
Current Price
$469.98
$207.10 premium
Margin of Safety
-980.6%
Fair Value
$14.82
Current Price
$151.51
$136.69 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Strong operational efficiency at 30.2%
Safe zone — low bankruptcy risk
Large-cap with strong market position
Keeps 28 of every $100 in revenue as profit
18.8% revenue growth
Large-cap with strong market position
Areas to Watch
Expensive relative to growth rate
Trading at 9.4x book value
Premium valuation, high expectations priced in
Trading at 19.5x book value
5.3% margin — thin
Weak financial health signals
Premium valuation, high expectations priced in
Comparative Analysis Report
WallStSmart ResearchBull Case : ISRG
The strongest argument for ISRG centers on Operating Margin, Altman Z-Score, Market Cap. Profitability is solid with margins at 28.4% and operating margin at 30.2%. Revenue growth of 18.8% demonstrates continued momentum.
Bull 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.
Bear Case : ISRG
The primary concerns for ISRG are PEG Ratio, Price/Book, P/E Ratio. A P/E of 59.9x leaves little room for execution misses.
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.
Key Dynamics to Monitor
ISRG profiles as a growth stock while VST is a value play — different risk/reward profiles.
ISRG carries more volatility with a beta of 1.68 — expect wider price swings.
ISRG is growing revenue faster at 18.8% — sustainability is the question.
ISRG generates stronger free cash flow (730M), providing more financial flexibility.
Bottom Line
ISRG scores higher overall (62/100 vs 53/100), backed by strong 28.4% margins and 18.8% revenue growth. 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.
Intuitive Surgical Inc
HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA
Intuitive Surgical, Inc. is an American corporation that develops, manufactures, and markets robotic products designed to improve clinical outcomes of patients through minimally invasive surgery, most notably with the da Vinci Surgical System.
Vistra Energy Corp
UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA
Vistra Corp. The company is headquartered in Irving, Texas.
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