WallStSmart

Iridium Communications Inc (IRDM)vsT-Mobile US Inc (TMUS)

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Smart Verdict

WallStSmart Research — data-driven comparison

T-Mobile US Inc generates 10327% more annual revenue ($92.19B vs $884.17M). TMUS leads profitability with a 11.5% profit margin vs 10.5%. TMUS appears more attractively valued with a PEG of 0.57. TMUS earns a higher WallStSmart Score of 65/100 (B-).

IRDM

Hold

47

out of 100

Grade: D+

Growth: 4.0Profit: 7.0Value: 5.3Quality: 5.0
Piotroski: 7/9Altman Z: 0.63

TMUS

Strong Buy

65

out of 100

Grade: B-

Growth: 5.3Profit: 7.5Value: 6.0Quality: 3.5
Piotroski: 4/9Altman Z: 1.03
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

IRDMUndervalued (+41.9%)

Margin of Safety

+41.9%

Fair Value

$31.76

Current Price

$48.75

$16.99 discount

UndervaluedFair: $31.76Overvalued
TMUSSignificantly Overvalued (-39.8%)

Margin of Safety

-39.8%

Fair Value

$118.30

Current Price

$165.43

$47.13 premium

UndervaluedFair: $118.30Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

IRDM1 strengths · Avg: 9.0/10
Return on EquityProfitability
21.4%9/10

Every $100 of equity generates 21 in profit

TMUS5 strengths · Avg: 8.2/10
Market CapQuality
$177.70B9/10

Large-cap with strong market position

PEG RatioValuation
0.578/10

Growing faster than its price suggests

P/E RatioValuation
17.0x8/10

Attractively priced relative to earnings

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

IRDM4 concerns · Avg: 3.5/10
PEG RatioValuation
1.834/10

Expensive relative to growth rate

Price/BookValuation
10.9x4/10

Trading at 10.9x book value

Revenue GrowthGrowth
3.8%4/10

3.8% revenue growth

P/E RatioValuation
55.9x2/10

Premium valuation, high expectations priced in

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 : IRDM

The strongest argument for IRDM centers on Return on Equity.

Bull Case : TMUS

The strongest argument for TMUS centers on Market Cap, PEG Ratio, P/E Ratio. PEG of 0.57 suggests the stock is reasonably priced for its growth.

Bear Case : IRDM

The primary concerns for IRDM are PEG Ratio, Price/Book, Revenue Growth. A P/E of 55.9x leaves little room for execution misses. Debt-to-equity of 3.73 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

IRDM carries more volatility with a beta of 0.88 — 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.

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

Bottom Line

TMUS scores higher overall (65/100 vs 47/100). IRDM offers better value entry with a 41.9% margin of safety. Both earn "Strong 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.

Iridium Communications Inc

COMMUNICATION SERVICES · TELECOM SERVICES · USA

Iridium Communications Inc. provides mobile voice and data communications products and services to businesses, governments in the United States and other countries, non-governmental organizations, and consumers around the world. The company is headquartered in McLean, Virginia.

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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