Interactive Brokers Group Inc (IBKR)vsT-Mobile US Inc (TMUS)
IBKR
Interactive Brokers Group Inc
$68.68
+3.87%
FINANCIAL SERVICES · Cap: $115.34B
TMUS
T-Mobile US Inc
$211.36
+0.05%
COMMUNICATION SERVICES · Cap: $236.30B
Smart Verdict
WallStSmart Research — data-driven comparison
T-Mobile US Inc generates 1322% more annual revenue ($88.31B vs $6.21B). IBKR leads profitability with a 15.9% profit margin vs 12.4%. TMUS appears more attractively valued with a PEG of 0.80. IBKR earns a higher WallStSmart Score of 66/100 (B-).
IBKR
Strong Buy66
out of 100
Grade: B-
TMUS
Buy60
out of 100
Grade: C
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+26.5%
Fair Value
$103.90
Current Price
$68.68
$35.22 discount
Margin of Safety
-235.8%
Fair Value
$66.10
Current Price
$211.36
$145.26 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Strong operational efficiency at 78.8%
Conservative balance sheet, low leverage
Large-cap with strong market position
Every $100 of equity generates 24 in profit
15.2% revenue growth
Earnings expanding 30.3% YoY
Mega-cap, among the largest globally
Growing faster than its price suggests
Generating 4.2B 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 26.6%
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 15.9% and operating margin at 78.8%. Revenue growth of 15.2% demonstrates continued momentum.
Bull Case : TMUS
The strongest argument for TMUS centers on Market Cap, PEG Ratio, Free Cash Flow. Revenue growth of 11.3% demonstrates continued momentum. PEG of 0.80 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 1.25 — expect wider price swings.
IBKR is growing revenue faster at 15.2% — sustainability is the question.
TMUS generates stronger free cash flow (4.2B), providing more financial flexibility.
Bottom Line
IBKR scores higher overall (66/100 vs 60/100), 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.
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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