WallStSmart

Rio Tinto ADR (RIO)vsUnited States Lime & Minerals Inc (USLM)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 16294% more annual revenue ($61.79B vs $376.92M). USLM leads profitability with a 35.7% profit margin vs 19.6%. RIO trades at a lower P/E of 14.0x. RIO earns a higher WallStSmart Score of 64/100 (C+).

RIO

Buy

64

out of 100

Grade: C+

Growth: 7.3Profit: 9.0Value: 6.0Quality: 5.5
Piotroski: 1/9Altman Z: 2.03

USLM

Buy

56

out of 100

Grade: C

Growth: 6.7Profit: 9.0Value: 5.7Quality: 8.5
Piotroski: 2/9Altman Z: 10.98
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

RIOUndervalued (+29.2%)

Margin of Safety

+29.2%

Fair Value

$138.61

Current Price

$99.96

$38.65 discount

UndervaluedFair: $138.61Overvalued
USLMUndervalued (+6.6%)

Margin of Safety

+6.6%

Fair Value

$115.39

Current Price

$117.82

$2.43 discount

UndervaluedFair: $115.39Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

RIO6 strengths · Avg: 8.5/10
Return on EquityProfitability
34.1%10/10

Every $100 of equity generates 34 in profit

Market CapQuality
$167.95B9/10

Large-cap with strong market position

P/E RatioValuation
14.0x8/10

Attractively priced relative to earnings

Price/BookValuation
2.5x8/10

Reasonable price relative to book value

Operating MarginProfitability
28.1%8/10

Strong operational efficiency at 28.1%

Revenue GrowthGrowth
15.5%8/10

15.5% revenue growth

USLM4 strengths · Avg: 10.0/10
Profit MarginProfitability
35.7%10/10

Keeps 36 of every $100 in revenue as profit

Operating MarginProfitability
41.0%10/10

Strong operational efficiency at 41.0%

Debt/EquityHealth
0.0010/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
10.9810/10

Safe zone — low bankruptcy risk

Areas to Watch

RIO2 concerns · Avg: 2.5/10
Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

PEG RatioValuation
5.692/10

Expensive relative to growth rate

USLM2 concerns · Avg: 3.5/10
P/E RatioValuation
25.1x4/10

Moderate valuation

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : RIO

The strongest argument for RIO centers on Return on Equity, Market Cap, P/E Ratio. Profitability is solid with margins at 19.6% and operating margin at 28.1%. Revenue growth of 15.5% demonstrates continued momentum.

Bull Case : USLM

The strongest argument for USLM centers on Profit Margin, Operating Margin, Debt/Equity. Profitability is solid with margins at 35.7% and operating margin at 41.0%.

Bear Case : RIO

The primary concerns for RIO are Piotroski F-Score, PEG Ratio.

Bear Case : USLM

The primary concerns for USLM are P/E Ratio, Piotroski F-Score.

Key Dynamics to Monitor

RIO profiles as a growth stock while USLM is a mature play — different risk/reward profiles.

USLM carries more volatility with a beta of 0.72 — expect wider price swings.

RIO is growing revenue faster at 15.5% — sustainability is the question.

RIO generates stronger free cash flow (3.2B), providing more financial flexibility.

Bottom Line

RIO scores higher overall (64/100 vs 56/100), backed by strong 19.6% margins and 15.5% 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.

Rio Tinto ADR

BASIC MATERIALS · OTHER INDUSTRIAL METALS & MINING · USA

Rio Tinto Group is dedicated to the exploration, extraction and processing of mineral resources worldwide. The company is headquartered in London, the United Kingdom.

United States Lime & Minerals Inc

BASIC MATERIALS · BUILDING MATERIALS · USA

United States Lime & Minerals, Inc. manufactures and supplies lime and limestone products in the United States. The company is headquartered in Dallas, Texas.

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