WallStSmart

Interactive Brokers Group Inc (IBKR)vsIREN Ltd (IREN)

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Smart Verdict

WallStSmart Research — data-driven comparison

Interactive Brokers Group Inc generates 898% more annual revenue ($7.06B vs $707.01M). IBKR leads profitability with a 16.7% profit margin vs -99.4%. IBKR appears more attractively valued with a PEG of 1.48. 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

IREN

Avoid

32

out of 100

Grade: F

Growth: 7.3Profit: 2.0Value: 4.0Quality: 5.0
Piotroski: 2/9Altman Z: 0.50

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

IREN2 strengths · Avg: 8.0/10
Price/BookValuation
2.4x8/10

Reasonable price relative to book value

EPS GrowthGrowth
42.9%8/10

Earnings expanding 42.9% 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

IREN4 concerns · Avg: 2.5/10
Debt/EquityHealth
1.873/10

Elevated debt levels

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

PEG RatioValuation
4.062/10

Expensive relative to growth rate

Return on EquityProfitability
-16.8%2/10

ROE of -16.8% — below average capital efficiency

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 : IREN

The strongest argument for IREN centers on Price/Book, EPS Growth.

Bear Case : IBKR

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

Bear Case : IREN

The primary concerns for IREN are Debt/Equity, Piotroski F-Score, PEG Ratio. Debt-to-equity of 1.87 is elevated, increasing financial risk.

Key Dynamics to Monitor

IBKR profiles as a mature stock while IREN is a turnaround play — different risk/reward profiles.

IREN carries more volatility with a beta of 4.27 — expect wider price swings.

IBKR is growing revenue faster at 13.5% — sustainability is the question.

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

Bottom Line

IBKR scores higher overall (66/100 vs 32/100), backed by strong 16.7% margins and 13.5% revenue growth. Both earn "Strong Buy" and "Avoid" 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.

IREN Ltd

FINANCIAL SERVICES · CAPITAL MARKETS · USA

IREN Limited (Ticker: IREN) is a vertically integrated data-center and digital infrastructure company traded on the Nasdaq. Headquartered in Sydney, Australia, it develops, owns and operates large-scale, renewable-powered data centers across North America that support Bitcoin mining, AI cloud services, and high-performance computing workloads. Originally known as Iris Energy Limited before rebranding in 2024, IREN combines its energy infrastructure and computing platforms to generate revenue from cryptocurrency mining and increasingly from GPU-powered AI cloud offerings. The company has secured significant power capacity and major customer contracts as it pivots toward AI data-center growth while maintaining its legacy mining business.

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