DEC vs XOM vs WMB vs ET vs KMI

For growth investors, Diversified Energy Company PLC (DEC) is the stronger pick with 102.

7% revenue growth year-over-year, versus -4. 5% for Exxon Mobil Corporation (XOM). Diversified Energy Company PLC (DEC) offers the better valuation at 3. 5x trailing P/E (8. 6x forward), making it the more compelling value choice. Analysts rate Diversified Energy Company PLC (DEC) a "Buy" — based on 6 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Diversified Energy Company PLC (DEC) is the cheapest at 3.

5x versus The Williams Companies, Inc. at 36. 3x. On forward P/E, Diversified Energy Company PLC is actually cheaper at 8. 6x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Kinder Morgan, Inc. wins at 0. 24x versus The Williams Companies, Inc. 's 0. 50x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, The Williams Companies, Inc.

(WMB) delivered a total return of +235. 5%, compared to -19. 2% for Diversified Energy Company PLC (DEC). Over 10 years, the gap is even starker: WMB returned +356. 4% versus DEC's +13. 3%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Exxon Mobil Corporation (XOM) is the lower-risk stock at -0.

20β versus The Williams Companies, Inc. 's 0. 13β — meaning WMB is approximately -164% more volatile than XOM relative to the S&P 500. On balance sheet safety, Exxon Mobil Corporation (XOM) carries a lower debt/equity ratio of 16% versus 196% for The Williams Companies, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Diversified Energy Company PLC (DEC) is pulling ahead at 102.

7% versus -4. 5% for Exxon Mobil Corporation (XOM). On earnings-per-share growth, the picture is similar: Diversified Energy Company PLC grew EPS 346. 2% year-over-year, compared to -14. 5% for Exxon Mobil Corporation. Over a 3-year CAGR, WMB leads at 2. 9% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

The Williams Companies, Inc.

(WMB) is the more profitable company, earning 21. 9% net margin versus 5. 9% for Energy Transfer LP — meaning it keeps 21. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: WMB leads at 36. 8% versus 10. 5% for XOM. At the gross margin level — before operating expenses — KMI leads at 43. 7%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Kinder Morgan, Inc. (KMI) is the more undervalued stock at a PEG of 0. 24x versus The Williams Companies, Inc. 's 0. 50x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Diversified Energy Company PLC (DEC) trades at 8. 6x forward P/E versus 33. 1x for The Williams Companies, Inc. — 24. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for DEC: 38. 4% to $22. 33.

All stocks in this comparison pay dividends.

Diversified Energy Company PLC (DEC) offers the highest yield at 7. 1%, versus 2. 6% for The Williams Companies, Inc. (WMB).

For long-horizon retirement investors, Exxon Mobil Corporation (XOM) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0.

20), 2. 6% yield, +108. 8% 10Y return). Both have compounded well over 10 years (XOM: +108. 8%, ET: +146. 8%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Energy sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: DEC is a small-cap high-growth stock; XOM is a large-cap quality compounder stock; WMB is a mid-cap quality compounder stock; ET is a mid-cap deep-value stock; KMI is a mid-cap income-oriented stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.