Equity

Is Diamondback Energy, Inc. (FANG) undervalued?

$205.14+0.08% todayNasdaqGS · USD · last traded 2026-09-14 19:47 UTC

Diamondback Energy, Inc. trades on a P/E of 35.80 against earnings growth of -38.5% a year over the last 3 years, giving a PEG ratio of —.

Earnings figures are measured from FANG’s filed annual accounts, not estimated. PEG compares price to earnings growth alone — it says nothing about debt, cash generation, or what an acquirer would pay. Read it alongside the figures below rather than on its own.

PEG

Not available — requires positive earnings and a growth estimate.

P/E ratio35.80
earnings growth (3-year CAGR)-38.5%
PEG ratio
Measured from FANG's filed annual accounts. Trailing, not forecast.
01

What it would cost to buy FANG

Enterprise value is what it would cost to take the whole company: every share at today’s price, plus the debt an acquirer assumes, less the cash they receive. For Diamondback Energy, Inc. that is $69.60B.

Every term below is a line item from a filed statement. The numbers beside each one open the filing it came from — balance-sheet figures arrive already scaled, so there is no “in thousands” to catch you out.

280.0M shares · 10-Q cover page

market capitalisation$57.44B
total debt$12.61B
cash & equivalents$462.0M
enterprise value$69.60B
Balance-sheet terms as reported to 2026-06-30.
Enterprise-value multiples for Diamondback Energy, Inc.
MeasureValue
Diluted earnings per shareto 2025-12-31$5.73
P/E ratioto 2025-12-3135.8
Earnings growth (3-year CAGR)to 2025-12-31−38.5%
PEG ratio
Market capitalisationto 2026-07-31$57.44B
Total debtto 2026-06-30$12.61B
Net debtto 2026-06-30$12.15B
Enterprise valueto 2026-06-30$69.60B
EBITDAto 2025-12-31$6.30B
Free cash flow
EV / EBITDAto 2025-12-3111.0×
EV / Salesto 2025-12-314.6×
Free cash flow yield
Net debt / EBITDAto 2025-12-311.9×
Return on capital employedto 2025-12-312.5%

Earnings growth is measured across Diamondback Energy, Inc.’s own filed annual accounts. PEG conventionally uses forecast growth from analyst estimates; filings contain only history, so this is trailing growth and will read differently from a PEG quoted elsewhere.

Not shown, and why

PEG ratio
earnings shrank over the period measured, so dividing the P/E by growth has no meaning.
Free cash flow
capital expenditure not reported for a full year.
Free cash flow yield
capital expenditure not reported for a full year.
02

Against the sector

FANG against 6 listed companies sharing its classification — Crude Petroleum & Natural Gas. A multiple means little on its own; the column that matters is the gap. See what oil and gas producers trade on.

FANG compared with the median of 6 sector peers
MeasureFANGSector medianDifference
EV / EBITDA*11.0×5.9×+5.2×
EV / Sales*4.6×3.6×+1.1×
Net debt / EBITDA1.9×0.6×+1.3×
Return on capital employed2.5%10.5%8.0%
Operating margin8.4%24.3%15.9%
Compared against

APA, DVN, EOG, EQT, EXE, OXY.

Medians are taken across peers where the measure could be computed, so the sample differs by row. Green marks the direction conventionally read as cheaper or stronger — it is a direction, not a recommendation. * Price-based multiples move with the market; peer figures are a snapshot taken 2026-09-09. The remaining rows come from filed statements and hold until the next reporting season.

03

Market ratios

Price-based ratios from market data. Anything drawn from a filed statement is in the enterprise-value section above, with its source.

Valuation and financial-health metrics for Diamondback Energy, Inc. (FANG)
MetricValue
Price$205.14
PEGY ratio
Dividend yield2.07%
Price / book
Price / sales
Return on equity3.8%
Profit margin
Operating margin
Debt / equity33.28
Current ratio
Beta0.51
52-week range$134.30 – $216.90

Not reported for FANG: pegy ratio, price / book, price / sales, profit margin, operating margin, current ratio. A dash means the figure was not available from the source, not that it is zero.

04

Compare and chart

Compare FANG vs Competitors

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05

About FANG’s valuation

What is the PEG ratio for Diamondback Energy, Inc. (FANG)?
Diamondback Energy, Inc. has a PEG ratio of —, from a P/E of 35.80 and earnings growth of -38.5% a year measured across 3 years of filed accounts. Note that PEG is conventionally quoted against forecast growth; this uses reported history, so it will differ from a PEG you see elsewhere.
Is FANG undervalued right now?
That depends on the measure. On PEG, FANG reads —. The PEG ratio compares price to earnings growth alone — it ignores debt, cash generation and asset backing, so it is a starting point rather than a conclusion. The enterprise-value measures above account for debt and cash; they often tell a different story.
What is the PEGY ratio for FANG?
The PEGY ratio for Diamondback Energy, Inc. is —. PEGY adds the dividend yield of 2.07% to the growth rate in the denominator, which gives a fairer reading of companies returning cash as income rather than growth.
Where do these FANG figures come from?
Market price and capitalisation come from live market data; earnings, growth and dividend figures come from Diamondback Energy, Inc.'s published financial statements. Every derived ratio on this page shows the arithmetic that produced it.

This page describes published financial data. It is not investment advice and makes no recommendation to buy or sell FANG.