Rio Tinto ADR (RIO)vsSigma Lithium Resources Corp (SGML)
RIO
Rio Tinto ADR
$87.54
+0.89%
BASIC MATERIALS · Cap: $139.55B
SGML
Sigma Lithium Resources Corp
$5.88
-44.94%
BASIC MATERIALS · Cap: $1.17B
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
Buy54
out of 100
Grade: C-
SGML
Avoid28
out of 100
Grade: F
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-136.9%
Fair Value
$41.41
Current Price
$87.54
$46.13 premium
Intrinsic value data unavailable for SGML.
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
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
Revenue surging 36.6% year-over-year
Areas to Watch
Expensive relative to growth rate
Earnings declined 5.6%
0.0% earnings growth
Smaller company, higher risk/reward
Elevated debt levels
Weak financial health signals
Comparative Analysis Report
WallStSmart ResearchBull 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.
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