WallStSmart

Ero Copper Corp (ERO)vsSandisk Corp (SNDK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Sandisk Corp generates 1578% more annual revenue ($13.18B vs $785.84M). SNDK leads profitability with a 34.2% profit margin vs 33.6%. ERO trades at a lower P/E of 10.0x. SNDK earns a higher WallStSmart Score of 69/100 (B-).

ERO

Strong Buy

68

out of 100

Grade: B-

Growth: 7.3Profit: 9.5Value: 6.3Quality: 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

EROOvervalued (-8.8%)

Margin of Safety

-8.8%

Fair Value

$28.95

Current Price

$25.81

$3.14 premium

UndervaluedFair: $28.95Overvalued
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

ERO6 strengths · Avg: 9.7/10
P/E RatioValuation
10.0x10/10

Attractively priced relative to earnings

Return on EquityProfitability
34.9%10/10

Every $100 of equity generates 35 in profit

Profit MarginProfitability
33.6%10/10

Keeps 34 of every $100 in revenue as profit

Operating MarginProfitability
43.6%10/10

Strong operational efficiency at 43.6%

Revenue GrowthGrowth
161.3%10/10

Revenue surging 161.3% year-over-year

Price/BookValuation
2.9x8/10

Reasonable price relative to book value

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

ERO1 concerns · Avg: 2.0/10
EPS GrowthGrowth
-11.0%2/10

Earnings declined 11.0%

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 : ERO

The strongest argument for ERO centers on P/E Ratio, Return on Equity, Profit Margin. Profitability is solid with margins at 33.6% and operating margin at 43.6%. Revenue growth of 161.3% 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 : ERO

The primary concerns for ERO are EPS Growth.

Bear Case : SNDK

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

Key Dynamics to Monitor

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

SNDK generates stronger free cash flow (980M), providing more financial flexibility.

Monitor COPPER industry trends, competitive dynamics, and regulatory changes.

Bottom Line

SNDK scores higher overall (69/100 vs 68/100), backed by strong 34.2% margins and 251.0% revenue growth. Both earn "Strong Buy" and "Strong 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.

Ero Copper Corp

BASIC MATERIALS · COPPER · USA

Ero Copper Corp. The company is headquartered in Vancouver, Canada.

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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