WallStSmart

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

VS

Smart Verdict

WallStSmart Research — data-driven comparison

SK Telecom Co Ltd ADR generates 19263% more annual revenue ($17.10T vs $88.31B). TMUS leads profitability with a 12.4% profit margin vs 2.4%. SKM appears more attractively valued with a PEG of 0.63. TMUS earns a higher WallStSmart Score of 60/100 (C).

SKM

Hold

45

out of 100

Grade: D

Growth: 3.3Profit: 4.0Value: 7.3Quality: 4.8
Piotroski: 2/9

TMUS

Buy

60

out of 100

Grade: C

Growth: 4.0Profit: 7.0Value: 7.3Quality: 5.5
Piotroski: 4/9Altman Z: 1.06
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

SKMSignificantly Overvalued (-549.1%)

Margin of Safety

-549.1%

Fair Value

$4.56

Current Price

$30.38

$25.82 premium

UndervaluedFair: $4.56Overvalued
TMUSSignificantly Overvalued (-235.8%)

Margin of Safety

-235.8%

Fair Value

$66.10

Current Price

$211.36

$145.26 premium

UndervaluedFair: $66.10Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

SKM3 strengths · Avg: 9.3/10
Price/BookValuation
0.8x10/10

Reasonable price relative to book value

Free Cash FlowQuality
$343.21B10/10

Generating 343.2B in free cash flow

PEG RatioValuation
0.638/10

Growing faster than its price suggests

TMUS3 strengths · Avg: 8.7/10
Market CapQuality
$236.30B10/10

Mega-cap, among the largest globally

PEG RatioValuation
0.808/10

Growing faster than its price suggests

Free Cash FlowQuality
$4.18B8/10

Generating 4.2B in free cash flow

Areas to Watch

SKM4 concerns · Avg: 3.0/10
Return on EquityProfitability
3.0%3/10

ROE of 3.0% — below average capital efficiency

Profit MarginProfitability
2.4%3/10

2.4% margin — thin

Operating MarginProfitability
2.8%3/10

Operating margin of 2.8%

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

TMUS3 concerns · Avg: 2.3/10
Debt/EquityHealth
1.993/10

Elevated debt levels

EPS GrowthGrowth
-26.6%2/10

Earnings declined 26.6%

Altman Z-ScoreHealth
1.062/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : SKM

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

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 : SKM

The primary concerns for SKM are Return on Equity, Profit Margin, Operating Margin. A P/E of 46.0x leaves little room for execution misses. Thin 2.4% 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

SKM carries more volatility with a beta of 0.57 — expect wider price swings.

TMUS is growing revenue faster at 11.3% — sustainability is the question.

SKM generates stronger free cash flow (343.2B), providing more financial flexibility.

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

Bottom Line

TMUS scores higher overall (60/100 vs 45/100) and 11.3% 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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