WallStSmart

T-Mobile US Inc (TMUS)vsWestinghouse Air Brake Technologies Corp (WAB)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

T-Mobile US Inc generates 687% more annual revenue ($90.53B vs $11.51B). TMUS leads profitability with a 11.7% profit margin vs 10.5%. TMUS appears more attractively valued with a PEG of 0.77. WAB earns a higher WallStSmart Score of 64/100 (C+).

TMUS

Buy

62

out of 100

Grade: C+

Growth: 4.0Profit: 7.0Value: 5.3Quality: 4.0
Piotroski: 4/9Altman Z: 1.06

WAB

Buy

64

out of 100

Grade: C+

Growth: 6.7Profit: 6.5Value: 6.0Quality: 5.0
Piotroski: 2/9Altman Z: 1.68
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

TMUSSignificantly Overvalued (-65.0%)

Margin of Safety

-65.0%

Fair Value

$134.49

Current Price

$193.63

$59.14 premium

UndervaluedFair: $134.49Overvalued
WABUndervalued (+16.1%)

Margin of Safety

+16.1%

Fair Value

$303.40

Current Price

$265.71

$37.69 discount

UndervaluedFair: $303.40Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

TMUS4 strengths · Avg: 8.5/10
Market CapQuality
$210.16B10/10

Mega-cap, among the largest globally

PEG RatioValuation
0.778/10

Growing faster than its price suggests

Operating MarginProfitability
21.5%8/10

Strong operational efficiency at 21.5%

Free Cash FlowQuality
$4.60B8/10

Generating 4.6B in free cash flow

WAB0 strengths · Avg: 0/10

No standout strengths identified

Areas to Watch

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

Elevated debt levels

EPS GrowthGrowth
-12.0%2/10

Earnings declined 12.0%

Altman Z-ScoreHealth
1.062/10

Distress zone — elevated risk

WAB3 concerns · Avg: 3.7/10
P/E RatioValuation
37.6x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.684/10

Distress zone — elevated risk

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

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 0.77 suggests the stock is reasonably priced for its growth.

Bull Case : WAB

Revenue growth of 13.0% demonstrates continued momentum. PEG of 1.37 suggests the stock is reasonably priced for its growth.

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.

Bear Case : WAB

The primary concerns for WAB are P/E Ratio, Altman Z-Score, Piotroski F-Score.

Key Dynamics to Monitor

WAB carries more volatility with a beta of 0.97 — expect wider price swings.

WAB is growing revenue faster at 13.0% — sustainability is the question.

TMUS generates stronger free cash flow (4.6B), providing more financial flexibility.

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

Bottom Line

WAB scores higher overall (64/100 vs 62/100) and 13.0% revenue growth. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

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.

Westinghouse Air Brake Technologies Corp

INDUSTRIALS · RAILROADS · USA

Wabtec Corporation (derived from Westinghouse Air Brake Technologies Corporation) is an American company formed by the merger of the Westinghouse Air Brake Company (WABCO) and MotivePower Industries Corporation in 1999. It is headquartered in Pittsburgh, Pennsylvania.

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