Green Plains Renewable Energy Inc (GPRE)vsRio Tinto ADR (RIO)
GPRE
Green Plains Renewable Energy Inc
$14.90
-2.87%
BASIC MATERIALS · Cap: $1.03B
RIO
Rio Tinto ADR
$99.96
+0.57%
BASIC MATERIALS · Cap: $167.95B
Smart Verdict
WallStSmart Research — data-driven comparison
Rio Tinto ADR generates 3092% more annual revenue ($61.79B vs $1.94B). RIO leads profitability with a 19.6% profit margin vs -0.8%. GPRE appears more attractively valued with a PEG of 1.16. RIO earns a higher WallStSmart Score of 64/100 (C+).
GPRE
Hold46
out of 100
Grade: D+
RIO
Buy64
out of 100
Grade: C+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+54.5%
Fair Value
$34.08
Current Price
$14.90
$19.18 discount
Margin of Safety
+29.2%
Fair Value
$138.61
Current Price
$99.96
$38.65 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Attractively priced relative to earnings
Reasonable price relative to book value
Every $100 of equity generates 34 in profit
Large-cap with strong market position
Attractively priced relative to earnings
Reasonable price relative to book value
Strong operational efficiency at 28.1%
15.5% revenue growth
Areas to Watch
Distress zone — elevated risk
Smaller company, higher risk/reward
Weak financial health signals
ROE of -2.0% — below average capital efficiency
Weak financial health signals
Expensive relative to growth rate
Comparative Analysis Report
WallStSmart ResearchBull Case : GPRE
The strongest argument for GPRE centers on P/E Ratio, Price/Book. PEG of 1.16 suggests the stock is reasonably priced for its growth.
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.
Bear Case : GPRE
The primary concerns for GPRE are Altman Z-Score, Market Cap, Piotroski F-Score.
Bear Case : RIO
The primary concerns for RIO are Piotroski F-Score, PEG Ratio.
Key Dynamics to Monitor
GPRE profiles as a turnaround stock while RIO is a growth play — different risk/reward profiles.
GPRE carries more volatility with a beta of 1.18 — expect wider price swings.
RIO is growing revenue faster at 15.5% — sustainability is the question.
RIO generates stronger free cash flow (3.2B), providing more financial flexibility.
Bottom Line
RIO scores higher overall (64/100 vs 46/100), backed by strong 19.6% margins and 15.5% revenue growth. GPRE offers better value entry with a 54.5% margin of safety. 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.
Green Plains Renewable Energy Inc
BASIC MATERIALS · CHEMICALS · USA
Green Plains Inc. produces, markets, and distributes ethanol in the United States and internationally. The company is headquartered in Omaha, Nebraska.
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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