WallStSmart

Lumen Technologies Inc (LUMN)vsT-Mobile US Inc (TMUS)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

T-Mobile US Inc generates 647% more annual revenue ($90.53B vs $12.12B). TMUS leads profitability with a 11.7% profit margin vs -14.3%. TMUS appears more attractively valued with a PEG of 0.74. TMUS earns a higher WallStSmart Score of 62/100 (C+).

LUMN

Avoid

30

out of 100

Grade: F

Growth: 2.0Profit: 2.0Value: 5.7Quality: 3.0
Piotroski: 3/9Altman Z: -0.46

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

LUMNUndervalued (+32.9%)

Margin of Safety

+32.9%

Fair Value

$11.69

Current Price

$8.91

$2.78 discount

UndervaluedFair: $11.69Overvalued
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

LUMN0 strengths · Avg: 0/10

No standout strengths identified

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

LUMN4 concerns · Avg: 2.5/10
Debt/EquityHealth
1.143/10

Elevated debt levels

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
54.582/10

Expensive relative to growth rate

Return on EquityProfitability
-14.9%2/10

ROE of -14.9% — below average capital efficiency

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 : LUMN

LUMN has a balanced fundamental profile.

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 : LUMN

The primary concerns for LUMN are Debt/Equity, Piotroski F-Score, PEG Ratio.

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

LUMN profiles as a turnaround stock while TMUS is a value play — different risk/reward profiles.

LUMN carries more volatility with a beta of 1.72 — 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.

Bottom Line

TMUS scores higher overall (62/100 vs 30/100) and 10.6% revenue growth. LUMN offers better value entry with a 32.9% margin of safety. Both earn "Buy" and "Avoid" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Lumen Technologies Inc

COMMUNICATION SERVICES · TELECOM SERVICES · USA

Lumen Technologies (formerly CenturyLink) is an American telecommunications company headquartered in Monroe, Louisiana, that offers communications, network services, security, cloud solutions, voice, and managed services.

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.

Want to dig deeper into these stocks?