WallStSmart

Otter Tail Corporation (OTTR)vsRio Tinto ADR (RIO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 4320% more annual revenue ($57.64B vs $1.30B). OTTR leads profitability with a 21.2% profit margin vs 17.3%. OTTR appears more attractively valued with a PEG of 1.72. OTTR earns a higher WallStSmart Score of 63/100 (C+).

OTTR

Buy

63

out of 100

Grade: C+

Growth: 2.7Profit: 7.5Value: 7.3Quality: 6.3
Piotroski: 2/9Altman Z: 1.67

RIO

Buy

54

out of 100

Grade: C-

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

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

OTTRSignificantly Overvalued (-92.9%)

Margin of Safety

-92.9%

Fair Value

$44.54

Current Price

$86.55

$42.01 premium

UndervaluedFair: $44.54Overvalued
RIOSignificantly Overvalued (-136.9%)

Margin of Safety

-136.9%

Fair Value

$41.41

Current Price

$87.54

$46.13 premium

UndervaluedFair: $41.41Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

OTTR4 strengths · Avg: 8.3/10
Profit MarginProfitability
21.2%9/10

Keeps 21 of every $100 in revenue as profit

P/E RatioValuation
13.3x8/10

Attractively priced relative to earnings

Price/BookValuation
1.9x8/10

Reasonable price relative to book value

Operating MarginProfitability
22.2%8/10

Strong operational efficiency at 22.2%

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

Areas to Watch

OTTR4 concerns · Avg: 3.8/10
PEG RatioValuation
1.724/10

Expensive relative to growth rate

Revenue GrowthGrowth
1.6%4/10

1.6% revenue growth

Altman Z-ScoreHealth
1.674/10

Distress zone — elevated risk

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

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%

Comparative Analysis Report

WallStSmart Research

Bull Case : OTTR

The strongest argument for OTTR centers on Profit Margin, P/E Ratio, Price/Book. Profitability is solid with margins at 21.2% and operating margin at 22.2%.

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 : OTTR

The primary concerns for OTTR are PEG Ratio, Revenue Growth, Altman Z-Score.

Bear Case : RIO

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

Key Dynamics to Monitor

OTTR profiles as a value stock while RIO is a mature play — different risk/reward profiles.

RIO carries more volatility with a beta of 0.65 — 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

OTTR scores higher overall (63/100 vs 54/100), backed by strong 21.2% margins. Both earn "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.

Otter Tail Corporation

INDUSTRIALS · CONGLOMERATES · USA

Otter Tail Corporation is engaged in electrical service, manufacturing and plastic piping businesses in the United States. The company is headquartered in Fergus Falls, Minnesota.

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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