WallStSmart

Graphex Group Limited (GRFX)vsRio Tinto ADR (RIO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 30583% more annual revenue ($57.64B vs $187.85M). RIO leads profitability with a 17.3% profit margin vs -59.3%. RIO earns a higher WallStSmart Score of 54/100 (C-).

GRFX

Avoid

31

out of 100

Grade: F

Growth: 2.7Profit: 2.0Value: 5.0Quality: 5.0

RIO

Buy

54

out of 100

Grade: C-

Growth: 6.0Profit: 8.0Value: 4.7Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for GRFX.

RIOSignificantly Overvalued (-136.9%)

Margin of Safety

-136.9%

Fair Value

$41.41

Current Price

$87.54

$46.13 premium

UndervaluedFair: $41.41Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

GRFX1 strengths · Avg: 10.0/10
Price/BookValuation
0.8x10/10

Reasonable price relative to book value

RIO5 strengths · Avg: 8.2/10
Market CapQuality
$139.55B9/10

Large-cap with strong market position

P/E RatioValuation
14.1x8/10

Attractively priced relative to earnings

Price/BookValuation
2.3x8/10

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

GRFX4 concerns · Avg: 2.8/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Market CapQuality
$20.09M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
-34.3%2/10

ROE of -34.3% — below average capital efficiency

Revenue GrowthGrowth
-33.1%2/10

Revenue declined 33.1%

RIO2 concerns · Avg: 2.0/10
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 : GRFX

The strongest argument for GRFX centers on Price/Book.

Bull Case : RIO

The strongest argument for RIO centers on Market Cap, P/E Ratio, Price/Book. Profitability is solid with margins at 17.3% and operating margin at 25.3%. Revenue growth of 14.6% demonstrates continued momentum.

Bear Case : GRFX

The primary concerns for GRFX are EPS Growth, Market Cap, Return on Equity.

Bear Case : RIO

The primary concerns for RIO are PEG Ratio, EPS Growth.

Key Dynamics to Monitor

GRFX profiles as a turnaround stock while RIO is a mature play — different risk/reward profiles.

GRFX carries more volatility with a beta of 0.77 — expect wider price swings.

RIO is growing revenue faster at 14.6% — 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 31/100), backed by strong 17.3% margins and 14.6% revenue growth. Both earn "Buy" and "Avoid" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

Graphex Group Limited

BASIC MATERIALS · OTHER INDUSTRIAL METALS & MINING · USA

Graphex Group Limited is engaged in the development, manufacturing and marketing of graphene products in the People's Republic of China. The company is headquartered in Causeway Bay, Hong Kong.

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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