WallStSmart

Rio Tinto ADR (RIO)vsSandisk Corp (SNDK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 337% more annual revenue ($57.64B vs $13.18B). SNDK leads profitability with a 34.2% profit margin vs 17.3%. RIO trades at a lower P/E of 16.5x. SNDK earns a higher WallStSmart Score of 69/100 (B-).

RIO

Buy

54

out of 100

Grade: C-

Growth: 4.0Profit: 8.0Value: 5.3Quality: 5.0

SNDK

Strong Buy

69

out of 100

Grade: B-

Growth: 7.3Profit: 10.0Value: 3.7Quality: 8.0
Piotroski: 4/9Altman Z: 1.82
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

RIOUndervalued (+14.0%)

Margin of Safety

+14.0%

Fair Value

$114.13

Current Price

$100.58

$13.55 discount

UndervaluedFair: $114.13Overvalued
SNDKSignificantly Overvalued (-52.4%)

Margin of Safety

-52.4%

Fair Value

$413.56

Current Price

$1096.51

$682.95 premium

UndervaluedFair: $413.56Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

RIO5 strengths · Avg: 8.2/10
Market CapQuality
$163.40B9/10

Large-cap with strong market position

P/E RatioValuation
16.5x8/10

Attractively priced relative to earnings

Price/BookValuation
2.6x8/10

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

SNDK6 strengths · Avg: 10.0/10
Return on EquityProfitability
39.3%10/10

Every $100 of equity generates 39 in profit

Profit MarginProfitability
34.2%10/10

Keeps 34 of every $100 in revenue as profit

Operating MarginProfitability
70.0%10/10

Strong operational efficiency at 70.0%

Revenue GrowthGrowth
251.0%10/10

Revenue surging 251.0% year-over-year

EPS GrowthGrowth
618.0%10/10

Earnings expanding 618.0% YoY

Debt/EquityHealth
0.0810/10

Conservative balance sheet, low leverage

Areas to Watch

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%

SNDK3 concerns · Avg: 4.0/10
P/E RatioValuation
37.5x4/10

Premium valuation, high expectations priced in

Price/BookValuation
15.9x4/10

Trading at 15.9x book value

Altman Z-ScoreHealth
1.824/10

Grey zone — moderate risk

Comparative Analysis Report

WallStSmart Research

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.

Bull Case : SNDK

The strongest argument for SNDK centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 34.2% and operating margin at 70.0%. Revenue growth of 251.0% demonstrates continued momentum.

Bear Case : RIO

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

Bear Case : SNDK

The primary concerns for SNDK are P/E Ratio, Price/Book, Altman Z-Score.

Key Dynamics to Monitor

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

SNDK is growing revenue faster at 251.0% — sustainability is the question.

RIO generates stronger free cash flow (2.5B), providing more financial flexibility.

Monitor OTHER INDUSTRIAL METALS & MINING industry trends, competitive dynamics, and regulatory changes.

Bottom Line

SNDK scores higher overall (69/100 vs 54/100), backed by strong 34.2% margins and 251.0% revenue growth. 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.

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.

Sandisk Corp

TECHNOLOGY · COMPUTER HARDWARE · USA

Sandisk Corporation (Ticker: SNDK) is a U.S.-based technology company that develops, manufactures, and sells data storage products and solutions built on NAND flash memory technology, including solid-state drives (SSDs), embedded storage, memory cards, and USB flash drives for consumer, enterprise, and cloud computing markets.

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