CarMax Inc (KMX)vsT-Mobile US Inc (TMUS)
KMX
CarMax Inc
$40.34
+1.08%
CONSUMER CYCLICAL · Cap: $5.66B
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 226% more annual revenue ($90.53B vs $27.76B). TMUS leads profitability with a 11.7% profit margin vs 0.9%. KMX appears more attractively valued with a PEG of 0.38. TMUS earns a higher WallStSmart Score of 62/100 (C+).
KMX
Buy52
out of 100
Grade: C-
TMUS
Buy62
out of 100
Grade: C+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+83.0%
Fair Value
$270.07
Current Price
$40.34
$229.73 discount
Margin of Safety
-64.8%
Fair Value
$134.69
Current Price
$193.63
$58.94 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Growing faster than its price suggests
Reasonable price relative to book value
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
Distress zone — elevated risk
ROE of 4.1% — below average capital efficiency
0.9% margin — thin
Operating margin of 1.8%
Elevated debt levels
Earnings declined 12.0%
Distress zone — elevated risk
Comparative Analysis Report
WallStSmart ResearchBull Case : KMX
The strongest argument for KMX centers on PEG Ratio, Price/Book. PEG of 0.38 suggests the stock is reasonably priced for its growth.
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 : KMX
The primary concerns for KMX are Altman Z-Score, Return on Equity, Profit Margin. Debt-to-equity of 2.75 is elevated, increasing financial risk. Thin 0.9% margins leave little buffer for downturns.
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
KMX carries more volatility with a beta of 1.18 — expect wider price swings.
TMUS is growing revenue faster at 10.6% — sustainability is the question.
TMUS generates stronger free cash flow (4.6B), providing more financial flexibility.
Monitor AUTO & TRUCK DEALERSHIPS industry trends, competitive dynamics, and regulatory changes.
Bottom Line
TMUS scores higher overall (62/100 vs 52/100) and 10.6% revenue growth. KMX offers better value entry with a 83.0% margin of safety. 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.
CarMax Inc
CONSUMER CYCLICAL · AUTO & TRUCK DEALERSHIPS · USA
CarMax is a used vehicle retailer based in the United States. It operates two business segments: CarMax Sales Operations and CarMax Auto Finance.
Visit Website →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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