WallStSmart

NRG Energy Inc. (NRG)vsVistra Energy Corp (VST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

NRG Energy Inc. generates 73% more annual revenue ($30.71B vs $17.74B). VST leads profitability with a 5.3% profit margin vs 2.8%. VST appears more attractively valued with a PEG of 1.34. NRG earns a higher WallStSmart Score of 54/100 (C-).

NRG

Buy

54

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 7.3Quality: 5.3
Piotroski: 5/9Altman Z: 1.70

VST

Buy

53

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 4.7Quality: 2.5
Piotroski: 2/9Altman Z: 0.73
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

NRGSignificantly Overvalued (-480.3%)

Margin of Safety

-480.3%

Fair Value

$27.68

Current Price

$145.80

$118.12 premium

UndervaluedFair: $27.68Overvalued
VSTSignificantly Overvalued (-975.5%)

Margin of Safety

-975.5%

Fair Value

$14.89

Current Price

$146.02

$131.13 premium

UndervaluedFair: $14.89Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NRG1 strengths · Avg: 10.0/10
Return on EquityProfitability
41.5%10/10

Every $100 of equity generates 42 in profit

VST1 strengths · Avg: 9.0/10
Market CapQuality
$54.89B9/10

Large-cap with strong market position

Areas to Watch

NRG4 concerns · Avg: 3.5/10
P/E RatioValuation
38.0x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.704/10

Distress zone — elevated risk

Profit MarginProfitability
2.8%3/10

2.8% margin — thin

Operating MarginProfitability
4.3%3/10

Operating margin of 4.3%

VST4 concerns · Avg: 3.0/10
Price/BookValuation
18.8x4/10

Trading at 18.8x book value

Profit MarginProfitability
5.3%3/10

5.3% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
74.0x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : NRG

The strongest argument for NRG centers on Return on Equity. Revenue growth of 13.7% demonstrates continued momentum. PEG of 1.35 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 1.34 suggests the stock is reasonably priced for its growth.

Bear Case : NRG

The primary concerns for NRG are P/E Ratio, Altman Z-Score, Profit Margin. Thin 2.8% margins leave little buffer for downturns.

Bear Case : VST

The primary concerns for VST are Price/Book, Profit Margin, Piotroski F-Score. A P/E of 74.0x 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.

NRG is growing revenue faster at 13.7% — sustainability is the question.

VST generates stronger free cash flow (-82M), providing more financial flexibility.

Monitor UTILITIES - INDEPENDENT POWER PRODUCERS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

NRG scores higher overall (54/100 vs 53/100) and 13.7% 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.

NRG Energy Inc.

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

NRG Energy, Inc. is a large American energy company, headquartered in Houston, Texas. It was formerly the wholesale arm of Northern States Power Company (NSP), which became Xcel Energy, but became independent in 2000. NRG Energy is involved in energy generation and retail electricity.

Vistra Energy Corp

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

Vistra Corp. The company is headquartered in Irving, Texas.

Want to dig deeper into these stocks?