Rio Tinto ADR (RIO)vsSigma Lithium Resources Corp (SGML)
RIO
Rio Tinto ADR
$100.69
-4.47%
BASIC MATERIALS · Cap: $168.54B
SGML
Sigma Lithium Resources Corp
$14.73
-3.63%
BASIC MATERIALS · Cap: $1.87B
Smart Verdict
WallStSmart Research — data-driven comparison
Rio Tinto ADR generates 54961% more annual revenue ($57.64B vs $104.68M). RIO leads profitability with a 17.3% profit margin vs -41.8%. RIO earns a higher WallStSmart Score of 54/100 (C-).
RIO
Buy54
out of 100
Grade: C-
SGML
Hold36
out of 100
Grade: F
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+24.5%
Fair Value
$130.00
Current Price
$100.69
$29.31 discount
Intrinsic value data unavailable for SGML.
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Every $100 of equity generates 35 in profit
Large-cap with strong market position
Attractively priced relative to earnings
Reasonable price relative to book value
Strong operational efficiency at 25.3%
Generating 2.5B in free cash flow
Strong operational efficiency at 50.2%
Earnings expanding 135.2% YoY
Areas to Watch
Weak financial health signals
Expensive relative to growth rate
Earnings declined 5.6%
Smaller company, higher risk/reward
Elevated debt levels
Weak financial health signals
Trading at 22.7x book value
Comparative Analysis Report
WallStSmart ResearchBull 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.
Bull Case : SGML
The strongest argument for SGML centers on Operating Margin, EPS Growth.
Bear Case : RIO
The primary concerns for RIO are Piotroski F-Score, PEG Ratio, EPS Growth.
Bear Case : SGML
The primary concerns for SGML are Market Cap, Debt/Equity, Piotroski F-Score. 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 turnaround play — different risk/reward profiles.
SGML carries more volatility with a beta of 0.66 — 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 36/100), backed by strong 17.3% margins and 14.6% 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.
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.
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