WallStSmart

REX American Resources Corporation (REX)vsRio Tinto ADR (RIO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 8927% more annual revenue ($61.79B vs $684.53M). RIO leads profitability with a 19.6% profit margin vs 17.6%. REX appears more attractively valued with a PEG of 1.74. REX earns a higher WallStSmart Score of 71/100 (B).

REX

Strong Buy

71

out of 100

Grade: B

Growth: 6.7Profit: 7.5Value: 7.3Quality: 9.0
Piotroski: 4/9Altman Z: 7.21

RIO

Buy

64

out of 100

Grade: C+

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

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

REXUndervalued (+26.4%)

Margin of Safety

+26.4%

Fair Value

$48.51

Current Price

$41.62

$6.89 discount

UndervaluedFair: $48.51Overvalued
RIOUndervalued (+29.2%)

Margin of Safety

+29.2%

Fair Value

$138.61

Current Price

$99.96

$38.65 discount

UndervaluedFair: $138.61Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

REX6 strengths · Avg: 9.3/10
P/E RatioValuation
11.7x10/10

Attractively priced relative to earnings

EPS GrowthGrowth
390.2%10/10

Earnings expanding 390.2% YoY

Debt/EquityHealth
0.0310/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
7.2110/10

Safe zone — low bankruptcy risk

Price/BookValuation
2.0x8/10

Reasonable price relative to book value

Operating MarginProfitability
20.2%8/10

Strong operational efficiency at 20.2%

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

Areas to Watch

REX2 concerns · Avg: 3.5/10
PEG RatioValuation
1.744/10

Expensive relative to growth rate

Market CapQuality
$1.40B3/10

Smaller company, higher risk/reward

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

Comparative Analysis Report

WallStSmart Research

Bull Case : REX

The strongest argument for REX centers on P/E Ratio, EPS Growth, Debt/Equity. Profitability is solid with margins at 17.6% and operating margin at 20.2%. Revenue growth of 17.9% demonstrates continued momentum.

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.

Bear Case : REX

The primary concerns for REX are PEG Ratio, Market Cap.

Bear Case : RIO

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

Key Dynamics to Monitor

RIO carries more volatility with a beta of 0.66 — expect wider price swings.

REX is growing revenue faster at 17.9% — sustainability is the question.

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

Monitor CHEMICALS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

REX scores higher overall (71/100 vs 64/100), backed by strong 17.6% margins and 17.9% revenue growth. RIO offers better value entry with a 29.2% margin of safety. 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.

REX American Resources Corporation

BASIC MATERIALS · CHEMICALS · USA

REX American Resources Corporation, produces and sells ethanol in the United States. The company is headquartered in Dayton, Ohio.

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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.

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