TCPA vs WMB vs KMI vs ET

For growth investors, The Williams Companies, Inc.

(WMB) is the stronger pick with 13. 8% revenue growth year-over-year, versus -0. 1% for Energy Transfer LP (ET). TransCanada PipeLines Limited 6 (TCPA) offers the better valuation at 7. 3x trailing P/E, making it the more compelling value choice. Analysts rate The Williams Companies, Inc. (WMB) a "Buy" — based on 34 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, TransCanada PipeLines Limited 6 (TCPA) is the cheapest at 7.

3x versus The Williams Companies, Inc. at 34. 9x. On forward P/E, Energy Transfer LP is actually cheaper at 13. 1x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Kinder Morgan, Inc. wins at 0. 23x versus The Williams Companies, Inc. 's 0. 48x — 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 +231. 8%, compared to -0. 7% for TransCanada PipeLines Limited 6 (TCPA). Over 10 years, the gap is even starker: WMB returned +377. 7% versus TCPA's -0. 7%. 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), Kinder Morgan, Inc.

(KMI) is the lower-risk stock at 0. 07β versus TransCanada PipeLines Limited 6's 1. 09β — meaning TCPA is approximately 1484% more volatile than KMI relative to the S&P 500. On balance sheet safety, Kinder Morgan, Inc. (KMI) carries a lower debt/equity ratio of 100% versus 196% for The Williams Companies, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), The Williams Companies, Inc.

(WMB) is pulling ahead at 13. 8% versus -0. 1% for Energy Transfer LP (ET). On earnings-per-share growth, the picture is similar: The Williams Companies, Inc. grew EPS 17. 6% year-over-year, compared to 5. 5% for Energy Transfer LP. 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.

TransCanada PipeLines Limited 6 (TCPA) is the more profitable company, earning 31.

9% net margin versus 5. 9% for Energy Transfer LP — meaning it keeps 31. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: TCPA leads at 42. 5% versus 11. 4% for ET. At the gross margin level — before operating expenses — TCPA leads at 48. 1%, 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. 23x versus The Williams Companies, Inc. 's 0. 48x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Energy Transfer LP (ET) trades at 13. 1x forward P/E versus 31. 8x for The Williams Companies, Inc. — 18. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for KMI: 7. 9% to $35. 00.

All stocks in this comparison pay dividends.

Energy Transfer LP (ET) offers the highest yield at 6. 5%, versus 2. 7% for The Williams Companies, Inc. (WMB).

For long-horizon retirement investors, The Williams Companies, Inc.

(WMB) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 13), 2. 7% yield, +377. 7% 10Y return). Both have compounded well over 10 years (WMB: +377. 7%, TCPA: -0. 7%), 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.

These companies operate in different sectors (TCPA (Industrials) and WMB (Energy) and KMI (Energy) and ET (Energy)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: TCPA is a mid-cap deep-value stock; WMB is a mid-cap quality compounder stock; KMI is a mid-cap income-oriented stock; ET is a mid-cap deep-value 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.