WallStSmart

SK Telecom Co Ltd ADR (SKM)vsT-Mobile US Inc (TMUS)

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Smart Verdict

WallStSmart Research — data-driven comparison

SK Telecom Co Ltd ADR generates 18403% more annual revenue ($17.06T vs $92.19B). TMUS leads profitability with a 11.5% profit margin vs 4.4%. SKM appears more attractively valued with a PEG of 0.49. TMUS earns a higher WallStSmart Score of 63/100 (C+).

SKM

Buy

62

out of 100

Grade: C+

Growth: 5.3Profit: 4.5Value: 7.0Quality: 5.0
Piotroski: 4/9Altman Z: 1.49

TMUS

Buy

63

out of 100

Grade: C+

Growth: 5.3Profit: 7.5Value: 5.3Quality: 3.5
Piotroski: 4/9Altman Z: 1.03
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Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for SKM.

TMUSSignificantly Overvalued (-54.3%)

Margin of Safety

-54.3%

Fair Value

$118.17

Current Price

$182.90

$64.73 premium

UndervaluedFair: $118.17Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

SKM4 strengths · Avg: 10.0/10
PEG RatioValuation
0.4910/10

Growing faster than its price suggests

Price/BookValuation
1.3x10/10

Reasonable price relative to book value

EPS GrowthGrowth
450.4%10/10

Earnings expanding 450.4% YoY

Free Cash FlowQuality
$774.04B10/10

Generating 774.0B in free cash flow

TMUS4 strengths · Avg: 8.3/10
Market CapQuality
$195.58B9/10

Large-cap with strong market position

PEG RatioValuation
0.638/10

Growing faster than its price suggests

Operating MarginProfitability
25.2%8/10

Strong operational efficiency at 25.2%

Free Cash FlowQuality
$4.31B8/10

Generating 4.3B in free cash flow

Areas to Watch

SKM4 concerns · Avg: 3.5/10
P/E RatioValuation
27.1x4/10

Moderate valuation

Revenue GrowthGrowth
0.5%4/10

0.5% revenue growth

Return on EquityProfitability
5.0%3/10

ROE of 5.0% — below average capital efficiency

Profit MarginProfitability
4.4%3/10

4.4% margin — thin

TMUS2 concerns · Avg: 1.5/10
Altman Z-ScoreHealth
1.032/10

Distress zone — elevated risk

Debt/EquityHealth
2.061/10

Elevated debt levels

Comparative Analysis Report

WallStSmart Research

Bull Case : SKM

The strongest argument for SKM centers on PEG Ratio, Price/Book, EPS Growth. PEG of 0.49 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. PEG of 0.63 suggests the stock is reasonably priced for its growth.

Bear Case : SKM

The primary concerns for SKM are P/E Ratio, Revenue Growth, Return on Equity. Thin 4.4% margins leave little buffer for downturns.

Bear Case : TMUS

The primary concerns for TMUS are Altman Z-Score, Debt/Equity. Debt-to-equity of 2.06 is elevated, increasing financial risk.

Key Dynamics to Monitor

SKM carries more volatility with a beta of 0.71 — expect wider price swings.

TMUS is growing revenue faster at 7.9% — sustainability is the question.

SKM generates stronger free cash flow (774.0B), providing more financial flexibility.

Monitor TELECOM SERVICES industry trends, competitive dynamics, and regulatory changes.

Bottom Line

TMUS scores higher overall (63/100 vs 62/100). 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.

SK Telecom Co Ltd ADR

COMMUNICATION SERVICES · TELECOM SERVICES · USA

SK Telecom Co., Ltd. provides wireless telecommunications services in South Korea and internationally. The company is headquartered in Seoul, South Korea.

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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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