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 18720% more annual revenue ($17.04T vs $90.53B). TMUS leads profitability with a 11.7% profit margin vs 2.1%. TMUS appears more attractively valued with a PEG of 0.74. TMUS earns a higher WallStSmart Score of 62/100 (C+).

SKM

Hold

48

out of 100

Grade: D+

Growth: 2.0Profit: 4.5Value: 5.0Quality: 5.0
Piotroski: 4/9Altman Z: 1.49

TMUS

Buy

62

out of 100

Grade: C+

Growth: 4.0Profit: 7.0Value: 5.3Quality: 4.0
Piotroski: 4/9Altman Z: 1.04
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for SKM.

TMUSSignificantly Overvalued (-56.6%)

Margin of Safety

-56.6%

Fair Value

$113.97

Current Price

$177.02

$63.05 premium

UndervaluedFair: $113.97Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

SKM3 strengths · Avg: 8.7/10
Free Cash FlowQuality
$718.88B10/10

Generating 718.9B in free cash flow

PEG RatioValuation
0.888/10

Growing faster than its price suggests

Price/BookValuation
1.7x8/10

Reasonable price relative to book value

TMUS4 strengths · Avg: 8.5/10
Market CapQuality
$204.35B10/10

Mega-cap, among the largest globally

PEG RatioValuation
0.748/10

Growing faster than its price suggests

Operating MarginProfitability
24.0%8/10

Strong operational efficiency at 24.0%

Free Cash FlowQuality
$4.60B8/10

Generating 4.6B in free cash flow

Areas to Watch

SKM4 concerns · Avg: 2.5/10
Return on EquityProfitability
0.3%3/10

ROE of 0.3% — below average capital efficiency

Profit MarginProfitability
2.1%3/10

2.1% margin — thin

P/E RatioValuation
63.4x2/10

Premium valuation, high expectations priced in

Revenue GrowthGrowth
-1.4%2/10

Revenue declined 1.4%

TMUS3 concerns · Avg: 1.7/10
EPS GrowthGrowth
-12.0%2/10

Earnings declined 12.0%

Altman Z-ScoreHealth
1.042/10

Distress zone — elevated risk

Debt/EquityHealth
2.111/10

Elevated debt levels

Comparative Analysis Report

WallStSmart Research

Bull Case : SKM

The strongest argument for SKM centers on Free Cash Flow, PEG Ratio, Price/Book. PEG of 0.88 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 0.74 suggests the stock is reasonably priced for its growth.

Bear Case : SKM

The primary concerns for SKM are Return on Equity, Profit Margin, P/E Ratio. A P/E of 63.4x leaves little room for execution misses. Thin 2.1% margins leave little buffer for downturns.

Bear Case : TMUS

The primary concerns for TMUS are EPS Growth, Altman Z-Score, Debt/Equity. Debt-to-equity of 2.11 is elevated, increasing financial risk.

Key Dynamics to Monitor

SKM carries more volatility with a beta of 0.67 — expect wider price swings.

TMUS is growing revenue faster at 10.6% — sustainability is the question.

SKM generates stronger free cash flow (718.9B), providing more financial flexibility.

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

Bottom Line

TMUS scores higher overall (62/100 vs 48/100) and 10.6% revenue growth. Both earn "Buy" and "Hold" 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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