WallStSmart

Aura Minerals Inc. Common Shares (AUGO)vsRio Tinto ADR (RIO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 4945% more annual revenue ($57.64B vs $1.14B). RIO leads profitability with a 17.3% profit margin vs 7.8%. RIO trades at a lower P/E of 15.5x. RIO earns a higher WallStSmart Score of 54/100 (C-).

AUGO

Buy

53

out of 100

Grade: C-

Growth: 8.0Profit: 8.5Value: 4.0Quality: 3.5
Piotroski: 4/9Altman Z: 0.30

RIO

Buy

54

out of 100

Grade: C-

Growth: 4.0Profit: 8.5Value: 6.0Quality: 5.5
Piotroski: 1/9Altman Z: 2.03
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for AUGO.

RIOUndervalued (+24.4%)

Margin of Safety

+24.4%

Fair Value

$129.73

Current Price

$90.15

$39.58 discount

UndervaluedFair: $129.73Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AUGO3 strengths · Avg: 9.7/10
Operating MarginProfitability
52.9%10/10

Strong operational efficiency at 52.9%

Revenue GrowthGrowth
136.5%10/10

Revenue surging 136.5% year-over-year

Return on EquityProfitability
29.5%9/10

Every $100 of equity generates 30 in profit

RIO6 strengths · Avg: 8.5/10
Return on EquityProfitability
34.5%10/10

Every $100 of equity generates 35 in profit

Market CapQuality
$153.55B9/10

Large-cap with strong market position

P/E RatioValuation
15.5x8/10

Attractively priced relative to earnings

Price/BookValuation
2.4x8/10

Reasonable price relative to book value

Operating MarginProfitability
25.3%8/10

Strong operational efficiency at 25.3%

Free Cash FlowQuality
$2.53B8/10

Generating 2.5B in free cash flow

Areas to Watch

AUGO4 concerns · Avg: 3.5/10
Price/BookValuation
13.9x4/10

Trading at 13.9x book value

EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Profit MarginProfitability
7.8%3/10

7.8% margin — thin

Debt/EquityHealth
1.433/10

Elevated debt levels

RIO3 concerns · Avg: 2.3/10
Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

PEG RatioValuation
5.692/10

Expensive relative to growth rate

EPS GrowthGrowth
-5.6%2/10

Earnings declined 5.6%

Comparative Analysis Report

WallStSmart Research

Bull Case : AUGO

The strongest argument for AUGO centers on Operating Margin, Revenue Growth, Return on Equity. Revenue growth of 136.5% 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 17.3% and operating margin at 25.3%. Revenue growth of 14.6% demonstrates continued momentum.

Bear Case : AUGO

The primary concerns for AUGO are Price/Book, EPS Growth, Profit Margin. A P/E of 60.5x leaves little room for execution misses.

Bear Case : RIO

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

Key Dynamics to Monitor

AUGO profiles as a hypergrowth stock while RIO is a mature play — different risk/reward profiles.

RIO carries more volatility with a beta of 0.65 — expect wider price swings.

AUGO is growing revenue faster at 136.5% — sustainability is the question.

RIO generates stronger free cash flow (2.5B), providing more financial flexibility.

Bottom Line

RIO scores higher overall (54/100 vs 53/100), backed by strong 17.3% margins and 14.6% 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.

Aura Minerals Inc. Common Shares

BASIC MATERIALS · GOLD · USA

Aura Minerals Inc., a gold and copper production company, focuses on the development and operation of gold and base metal projects in the Americas. The company is headquartered in Coconut Grove, Florida.

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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