Diamondback Energy Inc vs Occidental Petroleum Corp

Diamondback Energy Inc (FANG) is undervalued and Occidental Petroleum Corp (OXY) is undervalued.

Against our estimates of intrinsic value, FANG trades at the wider discount: a margin of safety of +55%, against +27% for OXY.

Values as of the 22 Sept 2026 close.

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

Occidental Petroleum Corp (OXY)

Discounting its cash flows at 7.7% (average of 3 methods) values the shares at $77.34; the price of $56.31 is 27% below that value, and 79% of that value comes from beyond year five.

Leak Score 68/100 on 9 of 12 signals

MetricFANGOXY
VerdictUndervaluedUndervalued
Price$184.50$56.31
Intrinsic value$412.33$77.34
Margin of safety+55%+27%
Leak Score73/100 (10/12)68/100 (9/12)
Market cap$51.7B$56.3B
Revenue growth, 5 years39.8%4.7%
Operating margin35.0%23.1%
Net margin8.5%14.0%
Return on equity3.8%10.9%
Debt to equity0.330.35
P/E35.8x16.7x
Forward P/E9.9x14.0x
P/B1.4x1.7x
Dividend yield2.4%1.8%

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