WallStSmart

Gogo Inc (GOGO)vsT-Mobile US Inc (TMUS)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

T-Mobile US Inc generates 10106% more annual revenue ($92.19B vs $903.28M). TMUS leads profitability with a 11.5% profit margin vs -0.1%. TMUS earns a higher WallStSmart Score of 63/100 (C+).

GOGO

Hold

37

out of 100

Grade: F

Growth: 6.0Profit: 4.0Value: 6.7Quality: 3.5
Piotroski: 2/9Altman Z: -0.14

TMUS

Buy

63

out of 100

Grade: C+

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

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

GOGOUndervalued (+80.1%)

Margin of Safety

+80.1%

Fair Value

$19.72

Current Price

$2.62

$17.10 discount

UndervaluedFair: $19.72Overvalued
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

GOGO1 strengths · Avg: 8.0/10
Price/BookValuation
2.9x8/10

Reasonable price relative to book value

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

GOGO4 concerns · Avg: 2.5/10
Market CapQuality
$345.55M3/10

Smaller company, higher risk/reward

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Return on EquityProfitability
-0.7%2/10

ROE of -0.7% — below average capital efficiency

Revenue GrowthGrowth
-1.4%2/10

Revenue declined 1.4%

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 : GOGO

The strongest argument for GOGO centers on Price/Book.

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 : GOGO

The primary concerns for GOGO are Market Cap, Piotroski F-Score, Return on Equity. Debt-to-equity of 7.30 is elevated, increasing financial risk.

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

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

GOGO carries more volatility with a beta of 1.09 — expect wider price swings.

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

TMUS generates stronger free cash flow (4.3B), providing more financial flexibility.

Bottom Line

TMUS scores higher overall (63/100 vs 37/100). GOGO offers better value entry with a 80.1% margin of safety. 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.

Gogo Inc

COMMUNICATION SERVICES · TELECOM SERVICES · USA

Gogo Inc., provides inflight broadband connectivity and wireless entertainment services to the aviation industry in the United States and internationally. The company is headquartered in Chicago, Illinois.

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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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