WallStSmart

Rio Tinto ADR (RIO)vsJ-Star Holding Co., Ltd. Ordinary Shares (YMAT)

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Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 622405% more annual revenue ($61.79B vs $9.93M). RIO leads profitability with a 19.6% profit margin vs -203.2%. 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

YMAT

Hold

49

out of 100

Grade: D+

Growth: 4.7Profit: 4.0Value: 5.0Quality: 4.5
Piotroski: 3/9Altman Z: -13.73
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

Intrinsic value data unavailable for YMAT.

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

YMAT4 strengths · Avg: 9.5/10
Operating MarginProfitability
3137.0%10/10

Strong operational efficiency at 3137.0%

Revenue GrowthGrowth
30.7%10/10

Revenue surging 30.7% year-over-year

Debt/EquityHealth
-1.8810/10

Conservative balance sheet, low leverage

Price/BookValuation
2.5x8/10

Reasonable price relative to book value

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

YMAT4 concerns · Avg: 2.5/10
Market CapQuality
$6.78M3/10

Smaller company, higher risk/reward

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Return on EquityProfitability
-649.0%2/10

ROE of -649.0% — below average capital efficiency

EPS GrowthGrowth
-56.4%2/10

Earnings declined 56.4%

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 : YMAT

The strongest argument for YMAT centers on Operating Margin, Revenue Growth, Debt/Equity. Revenue growth of 30.7% demonstrates continued momentum.

Bear Case : RIO

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

Bear Case : YMAT

The primary concerns for YMAT are Market Cap, Piotroski F-Score, Return on Equity.

Key Dynamics to Monitor

RIO profiles as a growth stock while YMAT is a hypergrowth play — different risk/reward profiles.

YMAT is growing revenue faster at 30.7% — sustainability is the question.

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

Monitor OTHER INDUSTRIAL METALS & MINING industry trends, competitive dynamics, and regulatory changes.

Bottom Line

RIO scores higher overall (64/100 vs 49/100), backed by strong 19.6% margins and 15.5% revenue growth. Both earn "Buy" and "Hold" 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.

J-Star Holding Co., Ltd. Ordinary Shares

BASIC MATERIALS · SPECIALTY CHEMICALS · USA

J-Star Holding Co., Ltd. manufactures and trades in bicycles, sports accessories, and carbon fiber composite products in Taiwan and internationally. The company is headquartered in Taichung, Taiwan.

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