GlaxoSmithKline PLC ADR (GSK)vsRio Tinto ADR (RIO)
GSK
GlaxoSmithKline PLC ADR
$50.41
-0.18%
HEALTHCARE · Cap: $101.38B
RIO
Rio Tinto ADR
$105.38
+2.20%
BASIC MATERIALS · Cap: $171.59B
Smart Verdict
WallStSmart Research — data-driven comparison
Rio Tinto ADR generates 76% more annual revenue ($57.64B vs $32.78B). GSK leads profitability with a 17.8% profit margin vs 17.3%. GSK appears more attractively valued with a PEG of 0.50. GSK earns a higher WallStSmart Score of 66/100 (B-).
GSK
Strong Buy66
out of 100
Grade: B-
RIO
Buy54
out of 100
Grade: C-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-3.1%
Fair Value
$56.71
Current Price
$50.41
$6.30 premium
Margin of Safety
+33.7%
Fair Value
$147.89
Current Price
$105.38
$42.51 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Growing faster than its price suggests
Every $100 of equity generates 41 in profit
Strong operational efficiency at 36.3%
Large-cap with strong market position
Attractively priced relative to earnings
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
Areas to Watch
1.5% revenue growth
Elevated debt levels
Distress zone — elevated risk
Expensive relative to growth rate
Earnings declined 5.6%
Comparative Analysis Report
WallStSmart ResearchBull Case : GSK
The strongest argument for GSK centers on PEG Ratio, Return on Equity, Operating Margin. Profitability is solid with margins at 17.8% and operating margin at 36.3%. PEG of 0.50 suggests the stock is reasonably priced for its growth.
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 : GSK
The primary concerns for GSK are Revenue Growth, Debt/Equity, Altman Z-Score.
Bear Case : RIO
The primary concerns for RIO are PEG Ratio, EPS Growth.
Key Dynamics to Monitor
GSK profiles as a value stock while RIO is a mature play — different risk/reward profiles.
RIO carries more volatility with a beta of 0.63 — 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
GSK scores higher overall (66/100 vs 54/100), backed by strong 17.8% margins. RIO offers better value entry with a 33.7% margin of safety. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
GlaxoSmithKline PLC ADR
HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA
GlaxoSmithKline plc is dedicated to the creation, discovery, development, manufacture and marketing of pharmaceuticals, vaccines, over-the-counter drugs and health-related consumer products in the UK, US and internationally. The company is headquartered in Brentford, the United Kingdom.
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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