WallStSmart

Rio Tinto ADR (RIO)vsSigma Lithium Resources Corp (SGML)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 41378% more annual revenue ($57.64B vs $138.96M). RIO leads profitability with a 17.3% profit margin vs -23.8%. RIO earns a higher WallStSmart Score of 54/100 (C-).

RIO

Buy

54

out of 100

Grade: C-

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

SGML

Avoid

28

out of 100

Grade: F

Growth: 6.3Profit: 2.0Value: 5.0Quality: 4.5
Piotroski: 2/9Altman Z: -0.32
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

RIOSignificantly Overvalued (-136.9%)

Margin of Safety

-136.9%

Fair Value

$41.41

Current Price

$87.54

$46.13 premium

UndervaluedFair: $41.41Overvalued

Intrinsic value data unavailable for SGML.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

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

SGML1 strengths · Avg: 10.0/10
Revenue GrowthGrowth
36.6%10/10

Revenue surging 36.6% year-over-year

Areas to Watch

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%

SGML4 concerns · Avg: 3.3/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Market CapQuality
$1.17B3/10

Smaller company, higher risk/reward

Debt/EquityHealth
1.993/10

Elevated debt levels

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 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.

Bull Case : SGML

The strongest argument for SGML centers on Revenue Growth. Revenue growth of 36.6% demonstrates continued momentum.

Bear Case : RIO

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

Bear Case : SGML

The primary concerns for SGML are EPS Growth, Market Cap, Debt/Equity. Debt-to-equity of 1.99 is elevated, increasing financial risk.

Key Dynamics to Monitor

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

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

SGML is growing revenue faster at 36.6% — 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 28/100), 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.

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.

Sigma Lithium Resources Corp

BASIC MATERIALS · OTHER INDUSTRIAL METALS & MINING · USA

Sigma Lithium Corporation is engaged in the exploration and development of lithium deposits in Brazil. The company is headquartered in Vancouver, Canada.

Visit Website →

Want to dig deeper into these stocks?