Kinder Morgan vs Williams Companies
Prices at close . Model readings .
Kinder Morgan
$33.56−0.86%- Market value
- $74.76B
- P/E
- 21.0
- 1 year
- +33.5%
Williams Companies
$74.27+0.24%- Market value
- $90.98B
- P/E
- 31.4
- 1 year
- +31.7%
Price change, with the S&P 500 as a benchmark
Percent change in each close since the start of the chosen range, for both companies and the S&P 500 (SPY). Daily closes over the last year, weekly before that and monthly before five years.
How the two compare
On the latest closes (28 Oct 2026), Williams Companies is the larger company by market value ($90.98B against $74.76B). Over the past year Kinder Morgan returned +33.5% and Williams Companies +31.7%, while the S&P 500 returned +12.7%. The latest filed P/E is 21.0 for Kinder Morgan and 31.4 for Williams Companies, and the operating margin 25.6% against 38.7%. Over the next 21 sessions the model expects −0.74% for Kinder Morgan, with a 19% chance of a rise, and −0.73% for Williams Companies, with a 19% chance. Kinder Morgan's long-run fair value is $33.67, a gap of +0.3% to its price; the long-run model view is neutral. Williams Companies' long-run fair value is $73.52, a gap of −1% to its price; the long-run model view is neutral.
What the model expects
Expected returns and the chance of a rise from our forecasting models, and the long-run fair value against the price. Readings, not advice.
How the prices moved
Price change over each period, with the S&P 500 (SPY) for comparison.
What the market pays
Size and the multiples from the latest filed quarter. A P/E on losses reads n/m.
How much of revenue becomes profit
Margins and returns on capital from the latest filing; revenue, net income and earnings per share over the trailing twelve months.
How fast the business grew
Change against the same quarter a year earlier.
Balance sheet and quality scores
Leverage, liquidity and two published scores: Altman Z (below 1.8 the distress zone, above 3 the safe zone) and Piotroski F (0 to 9).
How the shares trade
Volatility, sensitivity to the market, the deepest fall, short interest and how closely the two move together.
Kinder Morgan or Williams Companies: common questions
Which is larger by market value, Kinder Morgan or Williams Companies?
Williams Companies, at $90.98B against $74.76B for Kinder Morgan, on the latest closes (28 Oct 2026).
Which has the higher P/E ratio, Kinder Morgan or Williams Companies?
Williams Companies has the higher latest filed P/E, 31.4; Kinder Morgan's is 21.0. Filings: quarter to 30 Sep 2026 and 30 Jun 2026.
How did Kinder Morgan and Williams Companies move over the past year against the S&P 500?
Over the past year Kinder Morgan returned +33.5% and Williams Companies +31.7%, while the S&P 500 returned +12.7%. Prices at close 28 Oct 2026.
What does the model expect for Kinder Morgan and Williams Companies over the next month?
−0.74% for Kinder Morgan with a 19% chance of a rise, and −0.73% for Williams Companies with a 19% chance, over the next 21 sessions. Model readings 28 Oct 2026. These are model readings, not advice.
How do the operating margins of Kinder Morgan and Williams Companies compare?
The operating margin is 25.6% for Kinder Morgan and 38.7% for Williams Companies, and the gross margin 25.6% against 38.7%. Filings: quarter to 30 Sep 2026 and 30 Jun 2026.
Do Kinder Morgan and Williams Companies shares move together?
Over the past year the correlation of their daily returns was 0.81 (closely together); 1 means they always move together, 0 unrelated, −1 opposite. Prices at close 28 Oct 2026.
Model readings are research estimates, not investment advice. Prices: daily closes. Fundamentals: the latest SEC filings. Short interest: FINRA, settlement 30 Sep 2026. A dash means the figure is not in our data; it is never shown as zero. The model view follows a published rule: next month by the sign of the expected return, the long run positive at a fair value 10% or more above the price and negative at 10% or more below it.