EOG Resources Inc vs Diamondback Energy Inc

EOG Resources Inc (EOG) is undervalued and Diamondback Energy Inc (FANG) is undervalued.

Against our estimates of intrinsic value, FANG trades at the wider discount: a margin of safety of +55%, against +42% for EOG.

Values as of the 22 Sept 2026 close.

EOG Resources Inc (EOG)

Discounting its cash flows at 7.5% (average of 3 methods) values the shares at $241.48; the price of $139.52 is 42% below that value, and 81% of that value comes from beyond year five.

Leak Score 89/100 on 10 of 12 signals

Diamondback Energy Inc (FANG)

Discounting its cash flows at 7.8% (average of 3 methods) values the shares at $412.33; the price of $184.50 is 55% below that value, and 82% of that value comes from beyond year five.

Leak Score 73/100 on 10 of 12 signals

MetricEOGFANG
VerdictUndervaluedUndervalued
Price$139.52$184.50
Intrinsic value$241.48$412.33
Margin of safety+42%+55%
Leak Score89/100 (10/12)73/100 (10/12)
Market cap$73.2B$51.7B
Revenue growth, 5 years17.9%39.8%
Operating margin35.1%35.0%
Net margin25.8%8.5%
Return on equity22.5%3.8%
Debt to equity0.260.33
P/E10.8x35.8x
Forward P/E9.5x9.9x
P/B2.3x1.4x
Dividend yield3.0%2.4%

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