WallStSmart

Arm Holdings plc American Depositary Shares (ARM)vsRio Tinto ADR (RIO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 1134% more annual revenue ($57.64B vs $4.67B). RIO leads profitability with a 17.3% profit margin vs 17.2%. ARM appears more attractively valued with a PEG of 1.90. RIO earns a higher WallStSmart Score of 54/100 (C-).

ARM

Buy

52

out of 100

Grade: C-

Growth: 6.0Profit: 7.0Value: 4.7Quality: 7.8
Piotroski: 5/9Altman Z: 3.75

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

ARMSignificantly Overvalued (-2323.2%)

Margin of Safety

-2323.2%

Fair Value

$5.17

Current Price

$157.07

$151.90 premium

UndervaluedFair: $5.17Overvalued
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

ARM3 strengths · Avg: 9.0/10
Altman Z-ScoreHealth
3.7510/10

Safe zone — low bankruptcy risk

Market CapQuality
$143.33B9/10

Large-cap with strong market position

Revenue GrowthGrowth
26.3%8/10

Revenue surging 26.3% year-over-year

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

ARM4 concerns · Avg: 2.5/10
PEG RatioValuation
1.904/10

Expensive relative to growth rate

P/E RatioValuation
177.6x2/10

Premium valuation, high expectations priced in

Price/BookValuation
21.4x2/10

Trading at 21.4x book value

EPS GrowthGrowth
-12.3%2/10

Earnings declined 12.3%

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 : ARM

The strongest argument for ARM centers on Altman Z-Score, Market Cap, Revenue Growth. Profitability is solid with margins at 17.2% and operating margin at 15.4%. Revenue growth of 26.3% demonstrates continued momentum.

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 : ARM

The primary concerns for ARM are PEG Ratio, P/E Ratio, Price/Book. A P/E of 177.6x leaves little room for execution misses.

Bear Case : RIO

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

Key Dynamics to Monitor

ARM profiles as a growth stock while RIO is a mature play — different risk/reward profiles.

ARM carries more volatility with a beta of 4.13 — expect wider price swings.

ARM is growing revenue faster at 26.3% — 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 52/100), backed by strong 17.3% margins and 14.6% revenue growth. 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.

Arm Holdings plc American Depositary Shares

TECHNOLOGY · SEMICONDUCTORS · USA

Arm Holdings plc architects, develops, and licenses central processing unit products and related technologies for semiconductor companies and original equipment manufacturers rely on to develop products.

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.

Want to dig deeper into these stocks?