Interactive Brokers Group Inc (IBKR)vsT-Mobile US Inc (TMUS)
IBKR
Interactive Brokers Group Inc
$84.42
+0.85%
FINANCIAL SERVICES · Cap: $143.52B
TMUS
T-Mobile US Inc
$193.63
-0.29%
COMMUNICATION SERVICES · Cap: $210.16B
Smart Verdict
WallStSmart Research — data-driven comparison
T-Mobile US Inc generates 1305% more annual revenue ($90.53B vs $6.45B). IBKR leads profitability with a 16.1% profit margin vs 11.7%. TMUS appears more attractively valued with a PEG of 0.77. IBKR earns a higher WallStSmart Score of 64/100 (C+).
IBKR
Buy64
out of 100
Grade: C+
TMUS
Buy62
out of 100
Grade: C+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Intrinsic value data unavailable for IBKR.
Margin of Safety
-65.0%
Fair Value
$134.49
Current Price
$193.63
$59.14 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Strong operational efficiency at 76.8%
Conservative balance sheet, low leverage
Large-cap with strong market position
Every $100 of equity generates 24 in profit
16.8% revenue growth
Earnings expanding 21.6% YoY
Mega-cap, among the largest globally
Growing faster than its price suggests
Strong operational efficiency at 21.5%
Generating 4.6B in free cash flow
Areas to Watch
Expensive relative to growth rate
Premium valuation, high expectations priced in
Weak financial health signals
Elevated debt levels
Earnings declined 12.0%
Distress zone — elevated risk
Comparative Analysis Report
WallStSmart ResearchBull Case : IBKR
The strongest argument for IBKR centers on Operating Margin, Debt/Equity, Market Cap. Profitability is solid with margins at 16.1% and operating margin at 76.8%. Revenue growth of 16.8% demonstrates continued momentum.
Bull Case : TMUS
The strongest argument for TMUS centers on Market Cap, PEG Ratio, Operating Margin. Revenue growth of 10.6% demonstrates continued momentum. PEG of 0.77 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 : TMUS
The primary concerns for TMUS are Debt/Equity, EPS Growth, Altman Z-Score. Debt-to-equity of 1.99 is elevated, increasing financial risk.
Key Dynamics to Monitor
IBKR profiles as a growth stock while TMUS is a value play — different risk/reward profiles.
IBKR carries more volatility with a beta of 1.32 — expect wider price swings.
IBKR is growing revenue faster at 16.8% — sustainability is the question.
Monitor CAPITAL MARKETS industry trends, competitive dynamics, and regulatory changes.
Bottom Line
IBKR scores higher overall (64/100 vs 62/100), backed by strong 16.1% margins and 16.8% 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.
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.
T-Mobile US Inc
COMMUNICATION SERVICES · TELECOM SERVICES · USA
T-Mobile US, Inc., doing business under the global brand name T-Mobile, is an American wireless network operator. Its headquarters are located in Bellevue, Washington, in the Seattle metropolitan area and Overland Park, Kansas, in the Kansas City metropolitan area.
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