WallStSmart

Interactive Brokers Group Inc (IBKR)vsMiami International Holdings, Inc. (MIAX)

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Smart Verdict

WallStSmart Research — data-driven comparison

Interactive Brokers Group Inc generates 381% more annual revenue ($7.06B vs $1.47B). IBKR leads profitability with a 16.7% profit margin vs 9.7%. MIAX trades at a lower P/E of 30.9x. IBKR earns a higher WallStSmart Score of 66/100 (B-).

IBKR

Strong Buy

66

out of 100

Grade: B-

Growth: 8.0Profit: 7.5Value: 5.0Quality: 5.0
Piotroski: 2/9Altman Z: 0.39

MIAX

Buy

60

out of 100

Grade: C+

Growth: 8.7Profit: 7.0Value: 4.7Quality: 8.0
Piotroski: 4/9Altman Z: 2.34

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

IBKR4 strengths · Avg: 9.3/10
Operating MarginProfitability
77.7%10/10

Strong operational efficiency at 77.7%

Debt/EquityHealth
0.0010/10

Conservative balance sheet, low leverage

Market CapQuality
$140.89B9/10

Large-cap with strong market position

Free Cash FlowQuality
$6.20B8/10

Generating 6.2B in free cash flow

MIAX5 strengths · Avg: 8.4/10
Debt/EquityHealth
0.0010/10

Conservative balance sheet, low leverage

Price/BookValuation
2.7x8/10

Reasonable price relative to book value

Operating MarginProfitability
23.4%8/10

Strong operational efficiency at 23.4%

Revenue GrowthGrowth
18.3%8/10

18.3% revenue growth

EPS GrowthGrowth
32.7%8/10

Earnings expanding 32.7% YoY

Areas to Watch

IBKR3 concerns · Avg: 3.0/10
P/E RatioValuation
31.6x4/10

Premium valuation, high expectations priced in

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Altman Z-ScoreHealth
0.392/10

Distress zone — elevated risk

MIAX1 concerns · Avg: 4.0/10
P/E RatioValuation
30.9x4/10

Premium valuation, high expectations priced in

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 16.7% and operating margin at 77.7%. Revenue growth of 13.5% demonstrates continued momentum.

Bull Case : MIAX

The strongest argument for MIAX centers on Debt/Equity, Price/Book, Operating Margin. Revenue growth of 18.3% demonstrates continued momentum.

Bear Case : IBKR

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

Bear Case : MIAX

The primary concerns for MIAX are P/E Ratio.

Key Dynamics to Monitor

IBKR profiles as a mature stock while MIAX is a growth play — different risk/reward profiles.

MIAX is growing revenue faster at 18.3% — sustainability is the question.

IBKR generates stronger free cash flow (6.2B), providing more financial flexibility.

Monitor CAPITAL MARKETS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

IBKR scores higher overall (66/100 vs 60/100), backed by strong 16.7% margins and 13.5% 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.

Miami International Holdings, Inc.

FINANCIAL SERVICES · CAPITAL MARKETS · USA

Miami International Holdings, Inc. (MIAX) is a prominent player in the global financial services sector, recognized for operating the Miami International Exchange, which serves institutional investors in the options and derivatives markets. The company's commitment to leveraging advanced technology significantly enhances trading efficiency while addressing the evolving needs of its clients. MIAX emphasizes innovation, stringent risk management, and regulatory compliance, establishing itself as a trustworthy and competitive exchange in a dynamic marketplace. This strategic positioning allows MIAX to attract a diverse array of liquidity providers, strengthening its role in financial ecosystems worldwide.

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