WallStSmart

Ero Copper Corp (ERO)vsT-Mobile US Inc (TMUS)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

T-Mobile US Inc generates 11137% more annual revenue ($88.31B vs $785.84M). ERO leads profitability with a 33.6% profit margin vs 12.4%. ERO trades at a lower P/E of 10.0x. ERO earns a higher WallStSmart Score of 68/100 (B-).

ERO

Strong Buy

68

out of 100

Grade: B-

Growth: 7.3Profit: 9.5Value: 5.7Quality: 5.0

TMUS

Buy

60

out of 100

Grade: C

Growth: 4.0Profit: 7.0Value: 7.3Quality: 5.5
Piotroski: 4/9Altman Z: 1.06
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

EROSignificantly Overvalued (-83.1%)

Margin of Safety

-83.1%

Fair Value

$17.20

Current Price

$25.41

$8.21 premium

UndervaluedFair: $17.20Overvalued
TMUSSignificantly Overvalued (-235.8%)

Margin of Safety

-235.8%

Fair Value

$66.10

Current Price

$211.36

$145.26 premium

UndervaluedFair: $66.10Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ERO6 strengths · Avg: 9.7/10
P/E RatioValuation
10.0x10/10

Attractively priced relative to earnings

Return on EquityProfitability
34.9%10/10

Every $100 of equity generates 35 in profit

Profit MarginProfitability
33.6%10/10

Keeps 34 of every $100 in revenue as profit

Operating MarginProfitability
43.6%10/10

Strong operational efficiency at 43.6%

Revenue GrowthGrowth
161.3%10/10

Revenue surging 161.3% year-over-year

Price/BookValuation
2.8x8/10

Reasonable price relative to book value

TMUS3 strengths · Avg: 8.7/10
Market CapQuality
$236.30B10/10

Mega-cap, among the largest globally

PEG RatioValuation
0.808/10

Growing faster than its price suggests

Free Cash FlowQuality
$4.18B8/10

Generating 4.2B in free cash flow

Areas to Watch

ERO1 concerns · Avg: 2.0/10
EPS GrowthGrowth
-11.0%2/10

Earnings declined 11.0%

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

Elevated debt levels

EPS GrowthGrowth
-26.6%2/10

Earnings declined 26.6%

Altman Z-ScoreHealth
1.062/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : ERO

The strongest argument for ERO centers on P/E Ratio, Return on Equity, Profit Margin. Profitability is solid with margins at 33.6% and operating margin at 43.6%. Revenue growth of 161.3% demonstrates continued momentum.

Bull Case : TMUS

The strongest argument for TMUS centers on Market Cap, PEG Ratio, Free Cash Flow. Revenue growth of 11.3% demonstrates continued momentum. PEG of 0.80 suggests the stock is reasonably priced for its growth.

Bear Case : ERO

The primary concerns for ERO are EPS 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.

Key Dynamics to Monitor

ERO profiles as a growth stock while TMUS is a value play — different risk/reward profiles.

ERO carries more volatility with a beta of 1.51 — expect wider price swings.

ERO is growing revenue faster at 161.3% — sustainability is the question.

TMUS generates stronger free cash flow (4.2B), providing more financial flexibility.

Bottom Line

ERO scores higher overall (68/100 vs 60/100), backed by strong 33.6% margins and 161.3% revenue growth. Both earn "Strong 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.

Ero Copper Corp

BASIC MATERIALS · COPPER · USA

Ero Copper Corp. The company is headquartered in Vancouver, Canada.

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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