WallStSmart

National Grid PLC ADR (NGG)vsSandisk Corp (SNDK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

National Grid PLC ADR generates 33% more annual revenue ($17.48B vs $13.18B). SNDK leads profitability with a 34.2% profit margin vs 16.4%. NGG trades at a lower P/E of 22.0x. SNDK earns a higher WallStSmart Score of 69/100 (B-).

NGG

Buy

50

out of 100

Grade: C-

Growth: 2.0Profit: 6.5Value: 5.7Quality: 4.0
Piotroski: 4/9Altman Z: 1.24

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

Intrinsic value data unavailable for NGG.

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

NGG2 strengths · Avg: 8.5/10
Market CapQuality
$88.05B9/10

Large-cap with strong market position

Operating MarginProfitability
24.1%8/10

Strong operational efficiency at 24.1%

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

NGG4 concerns · Avg: 3.0/10
Price/BookValuation
8.8x4/10

Trading at 8.8x book value

Return on EquityProfitability
7.9%3/10

ROE of 7.9% — below average capital efficiency

Debt/EquityHealth
1.233/10

Elevated debt levels

Revenue GrowthGrowth
-11.3%2/10

Revenue declined 11.3%

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 : NGG

The strongest argument for NGG centers on Market Cap, Operating Margin. Profitability is solid with margins at 16.4% and operating margin at 24.1%. PEG of 1.10 suggests the stock is reasonably priced for its growth.

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 : NGG

The primary concerns for NGG are Price/Book, Return on Equity, Debt/Equity.

Bear Case : SNDK

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

Key Dynamics to Monitor

NGG profiles as a declining stock while SNDK is a growth play — different risk/reward profiles.

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

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

Monitor UTILITIES - REGULATED ELECTRIC industry trends, competitive dynamics, and regulatory changes.

Bottom Line

SNDK scores higher overall (69/100 vs 50/100), 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.

National Grid PLC ADR

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

National Grid plc transmits and distributes electricity and natural gas. The company is headquartered in London, the United Kingdom.

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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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