WallStSmart

Interactive Brokers Group Inc (IBKR)vsNRG Energy Inc. (NRG)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

NRG Energy Inc. generates 395% more annual revenue ($30.71B vs $6.21B). IBKR leads profitability with a 15.9% profit margin vs 2.8%. NRG appears more attractively valued with a PEG of 1.29. IBKR earns a higher WallStSmart Score of 66/100 (B-).

IBKR

Strong Buy

66

out of 100

Grade: B-

Growth: 9.3Profit: 7.5Value: 9.3Quality: 5.3
Piotroski: 2/9

NRG

Buy

54

out of 100

Grade: C-

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

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

IBKRUndervalued (+26.5%)

Margin of Safety

+26.5%

Fair Value

$103.90

Current Price

$68.68

$35.22 discount

UndervaluedFair: $103.90Overvalued
NRGSignificantly Overvalued (-490.6%)

Margin of Safety

-490.6%

Fair Value

$27.20

Current Price

$151.04

$123.84 premium

UndervaluedFair: $27.20Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

IBKR6 strengths · Avg: 9.0/10
Operating MarginProfitability
78.8%10/10

Strong operational efficiency at 78.8%

Debt/EquityHealth
0.0010/10

Conservative balance sheet, low leverage

Market CapQuality
$115.34B9/10

Large-cap with strong market position

Return on EquityProfitability
23.5%9/10

Every $100 of equity generates 24 in profit

Revenue GrowthGrowth
15.2%8/10

15.2% revenue growth

EPS GrowthGrowth
30.3%8/10

Earnings expanding 30.3% YoY

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

Every $100 of equity generates 42 in profit

Areas to Watch

IBKR3 concerns · Avg: 3.7/10
PEG RatioValuation
2.324/10

Expensive relative to growth rate

P/E RatioValuation
30.6x4/10

Premium valuation, high expectations priced in

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

NRG4 concerns · Avg: 3.5/10
P/E RatioValuation
37.8x4/10

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%

Comparative Analysis Report

WallStSmart Research

Bull Case : IBKR

The strongest argument for IBKR centers on Operating Margin, Debt/Equity, Market Cap. Profitability is solid with margins at 15.9% and operating margin at 78.8%. Revenue growth of 15.2% demonstrates continued momentum.

Bull Case : NRG

The strongest argument for NRG centers on Return on Equity. Revenue growth of 13.7% demonstrates continued momentum. PEG of 1.29 suggests the stock is reasonably priced for its growth.

Bear Case : IBKR

The primary concerns for IBKR are PEG Ratio, P/E Ratio, Piotroski F-Score.

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.

Key Dynamics to Monitor

IBKR profiles as a growth stock while NRG is a value play — different risk/reward profiles.

NRG carries more volatility with a beta of 1.26 — expect wider price swings.

IBKR is growing revenue faster at 15.2% — sustainability is the question.

IBKR generates stronger free cash flow (1.6B), providing more financial flexibility.

Bottom Line

IBKR scores higher overall (66/100 vs 54/100), backed by strong 15.9% margins and 15.2% revenue growth. 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.

Interactive Brokers Group Inc

FINANCIAL SERVICES · CAPITAL MARKETS · USA

Interactive Brokers Group, Inc. is a global automated electronic broker. The company is headquartered in Greenwich, Connecticut.

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.

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