WallStSmart

KT Corporation (KT)vsT-Mobile US Inc (TMUS)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

KT Corporation generates 31025% more annual revenue ($28.18T vs $90.53B). TMUS leads profitability with a 11.7% profit margin vs 5.5%. TMUS appears more attractively valued with a PEG of 0.75. TMUS earns a higher WallStSmart Score of 62/100 (C+).

KT

Hold

46

out of 100

Grade: D+

Growth: 2.7Profit: 5.0Value: 5.7Quality: 5.5
Piotroski: 4/9Altman Z: 1.74

TMUS

Buy

62

out of 100

Grade: C+

Growth: 4.0Profit: 7.0Value: 5.3Quality: 4.0
Piotroski: 4/9Altman Z: 1.03
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for KT.

TMUSSignificantly Overvalued (-59.1%)

Margin of Safety

-59.1%

Fair Value

$114.15

Current Price

$180.06

$65.91 premium

UndervaluedFair: $114.15Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

KT3 strengths · Avg: 10.0/10
P/E RatioValuation
8.9x10/10

Attractively priced relative to earnings

Price/BookValuation
0.7x10/10

Reasonable price relative to book value

Free Cash FlowQuality
$93.74B10/10

Generating 93.7B in free cash flow

TMUS4 strengths · Avg: 8.5/10
Market CapQuality
$204.39B10/10

Mega-cap, among the largest globally

PEG RatioValuation
0.758/10

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

KT4 concerns · Avg: 3.0/10
Altman Z-ScoreHealth
1.744/10

Distress zone — elevated risk

Return on EquityProfitability
4.8%3/10

ROE of 4.8% — below average capital efficiency

Profit MarginProfitability
5.5%3/10

5.5% margin — thin

PEG RatioValuation
4.642/10

Expensive relative to growth rate

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

Earnings declined 12.0%

Altman Z-ScoreHealth
1.032/10

Distress zone — elevated risk

Debt/EquityHealth
2.111/10

Elevated debt levels

Comparative Analysis Report

WallStSmart Research

Bull Case : KT

The strongest argument for KT centers on P/E Ratio, Price/Book, Free Cash Flow.

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 0.75 suggests the stock is reasonably priced for its growth.

Bear Case : KT

The primary concerns for KT are Altman Z-Score, Return on Equity, Profit Margin.

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

TMUS carries more volatility with a beta of 0.30 — expect wider price swings.

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

KT generates stronger free cash flow (93.7B), providing more financial flexibility.

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

Bottom Line

TMUS scores higher overall (62/100 vs 46/100) 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.

KT Corporation

COMMUNICATION SERVICES · TELECOM SERVICES · USA

KT Corporation provides integrated telecommunications and platform services in Korea and internationally. The company is headquartered in Seongnam, 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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