WallStSmart

Diamondback Energy Inc (FANG)vsSandisk Corp (SNDK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Diamondback Energy Inc generates 8% more annual revenue ($14.29B vs $13.18B). SNDK leads profitability with a 34.2% profit margin vs 11.6%. FANG trades at a lower P/E of 36.2x. SNDK earns a higher WallStSmart Score of 69/100 (B-).

FANG

Hold

43

out of 100

Grade: D

Growth: 5.3Profit: 4.0Value: 5.3Quality: 3.3
Piotroski: 1/9Altman 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

FANGUndervalued (+44.0%)

Margin of Safety

+44.0%

Fair Value

$301.99

Current Price

$206.18

$95.81 discount

UndervaluedFair: $301.99Overvalued
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

FANG3 strengths · Avg: 8.3/10
Market CapQuality
$60.11B9/10

Large-cap with strong market position

Price/BookValuation
1.6x8/10

Reasonable price relative to book value

Free Cash FlowQuality
$1.40B8/10

Generating 1.4B 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

FANG4 concerns · Avg: 3.0/10
P/E RatioValuation
36.2x4/10

Premium valuation, high expectations priced in

Return on EquityProfitability
3.7%3/10

ROE of 3.7% — below average capital efficiency

Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

PEG RatioValuation
55.522/10

Expensive relative to growth rate

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 : FANG

The strongest argument for FANG centers on Market Cap, Price/Book, Free Cash Flow.

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 : FANG

The primary concerns for FANG are P/E Ratio, Return on Equity, Piotroski F-Score.

Bear Case : SNDK

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

Key Dynamics to Monitor

FANG 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.

FANG generates stronger free cash flow (1.4B), providing more financial flexibility.

Monitor OIL & GAS E&P industry trends, competitive dynamics, and regulatory changes.

Bottom Line

SNDK scores higher overall (69/100 vs 43/100), backed by strong 34.2% margins and 251.0% revenue growth. FANG offers better value entry with a 44.0% margin of safety. Both earn "Strong Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Diamondback Energy Inc

ENERGY · OIL & GAS E&P · USA

Diamondback Energy is a company engaged in hydrocarbon exploration and headquartered in Midland, Texas.

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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