WMB vs. KMI

Last updated Apr 1, 2026

Compare and contrast key facts about The Williams Companies, Inc. (WMB) and Kinder Morgan, Inc. (KMI).

Performance

WMB vs. KMI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in The Williams Companies, Inc. (WMB) and Kinder Morgan, Inc. (KMI). The values are adjusted to include any dividend payments, if applicable.

WMB vs. KMI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WMB The Williams Companies, Inc.	21.95%	14.91%	62.35%	11.86%	32.83%	38.36%	-8.20%	14.18%	-23.88%	2.02%
KMI Kinder Morgan, Inc.	23.15%	4.74%	64.42%	4.10%	21.23%	23.75%	-30.77%	44.43%	-11.18%	-10.56%

Fundamentals

Market Cap WMB : $88.94B KMI : $74.60B
EPS WMB : $2.14 KMI : $1.32
PE Ratio WMB : 33.97 KMI : 25.48
PEG Ratio WMB : 1.76 KMI : 0.06
PS Ratio WMB : 7.45 KMI : 4.40
PB Ratio WMB : 6.96 KMI : 2.39
Total Revenue (TTM) WMB : $11.94B KMI : $16.95B
Gross Profit (TTM) WMB : $6.83B KMI : $4.34B
EBITDA (TTM) WMB : $7.41B KMI : $7.08B

Returns By Period

In the year-to-date period, WMB achieves a 21.95% return, which is significantly lower than KMI's 23.15% return. Over the past 10 years, WMB has outperformed KMI with an annualized return of 23.08%, while KMI has yielded a comparatively lower 12.36% annualized return.

WMB

• 1D: 0.43%
• 1M: -1.90%
• YTD: 21.95%
• 6M: 16.67%
• 1Y: 25.78%
• 3Y*: 40.30%
• 5Y*: 31.00%
• 10Y*: 23.08%

KMI

• 1D: -0.36%
• 1M: 0.78%
• YTD: 23.15%
• 6M: 20.94%
• 1Y: 22.59%
• 3Y*: 30.96%
• 5Y*: 21.44%
• 10Y*: 12.36%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

WMB vs. KMI — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

WMB

WMB Risk / Return Rank: 74
WMB Sharpe Ratio Rank: 76
WMB Sortino Ratio Rank: 68
WMB Omega Ratio Rank: 68
WMB Calmar Ratio Rank: 80
WMB Martin Ratio Rank: 76

KMI

KMI Risk / Return Rank: 72
KMI Sharpe Ratio Rank: 75
KMI Sortino Ratio Rank: 65
KMI Omega Ratio Rank: 68
KMI Calmar Ratio Rank: 76
KMI Martin Ratio Rank: 74

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

WMB vs. KMI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for The Williams Companies, Inc. (WMB) and Kinder Morgan, Inc. (KMI). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	WMB	KMI	Difference
Sharpe ratio Return per unit of total volatility	1.05	0.99	+0.06
Sortino ratio Return per unit of downside risk	1.44	1.33	+0.11
Omega ratio Gain probability vs. loss probability	1.20	1.20	0.00
Calmar ratio Return relative to maximum drawdown	2.18	1.81	+0.37
Martin ratio Return relative to average drawdown	4.69	4.13	+0.56
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WMB vs. KMI - Sharpe Ratio Comparison

The current WMB Sharpe Ratio is 1.05, which is comparable to the KMI Sharpe Ratio of 0.99. The chart below compares the historical Sharpe Ratios of WMB and KMI, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	WMB	KMI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.05	0.99	+0.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.33	0.96	+0.37
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	0.44	+0.29
Sharpe Ratio (All Time) Calculated using the full available price history	0.23	0.19	+0.05

Correlation

The correlation between WMB and KMI is 0.67, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

WMB vs. KMI - Dividend Comparison

WMB's dividend yield for the trailing twelve months is around 2.78%, less than KMI's 3.49% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
WMB The Williams Companies, Inc.	2.78%	3.33%	3.51%	5.14%	5.17%	6.30%	7.98%	6.41%	6.17%	3.94%	5.39%	9.53%
KMI Kinder Morgan, Inc.	3.49%	4.24%	4.18%	6.38%	6.10%	6.76%	7.59%	4.49%	4.71%	2.77%	2.41%	12.94%

Drawdowns

WMB vs. KMI - Drawdown Comparison

The maximum WMB drawdown since its inception was -98.03%, which is greater than KMI's maximum drawdown of -72.70%. Use the drawdown chart below to compare losses from any high point for WMB and KMI.

Drawdown Indicators

	WMB	KMI	Difference
Max Drawdown Largest peak-to-trough decline	-98.03%	-72.70%	-25.33%
Max Drawdown (1Y) Largest decline over 1 year	-12.36%	-12.83%	+0.47%
Max Drawdown (5Y) Largest decline over 5 years	-23.01%	-20.31%	-2.70%
Max Drawdown (10Y) Largest decline over 10 years	-68.08%	-55.13%	-12.95%
Current Drawdown Current decline from peak	-3.88%	-1.58%	-2.30%
Average Drawdown Average peak-to-trough decline	-27.17%	-32.37%	+5.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.75%	5.64%	+0.11%

Volatility

WMB vs. KMI - Volatility Comparison

The current volatility for The Williams Companies, Inc. (WMB) is 5.10%, while Kinder Morgan, Inc. (KMI) has a volatility of 5.41%. This indicates that WMB experiences smaller price fluctuations and is considered to be less risky than KMI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WMB	KMI	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.10%	5.41%	-0.31%
Volatility (6M) Calculated over the trailing 6-month period	16.36%	14.25%	+2.11%
Volatility (1Y) Calculated over the trailing 1-year period	24.70%	22.91%	+1.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.40%	22.47%	+0.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.62%	27.90%	+3.72%

Financials

WMB vs. KMI - Profitability Comparison

The chart below illustrates the profitability comparison between The Williams Companies, Inc. and Kinder Morgan, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

WMB - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, The Williams Companies, Inc. reported a gross profit of 1.50B and revenue of 3.20B. Therefore, the gross margin over that period was 46.8%.

KMI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Kinder Morgan, Inc. reported a gross profit of 0.00 and revenue of 4.51B. Therefore, the gross margin over that period was 0.0%.

WMB - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, The Williams Companies, Inc. reported an operating income of 1.31B and revenue of 3.20B, resulting in an operating margin of 40.9%.

KMI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Kinder Morgan, Inc. reported an operating income of 1.36B and revenue of 4.51B, resulting in an operating margin of 30.3%.

WMB - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, The Williams Companies, Inc. reported a net income of 734.00M and revenue of 3.20B, resulting in a net margin of 23.0%.

KMI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Kinder Morgan, Inc. reported a net income of 866.00M and revenue of 4.51B, resulting in a net margin of 19.2%.