KMI vs. WMB

Last updated Apr 2, 2026

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

Performance

KMI vs. WMB - Performance Comparison

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

KMI vs. WMB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
KMI Kinder Morgan, Inc.	20.77%	4.74%	64.42%	4.10%	21.23%	23.75%	-30.77%	44.43%	-11.18%	-10.56%
WMB The Williams Companies, Inc.	20.36%	14.91%	62.35%	11.86%	32.83%	38.36%	-8.20%	14.18%	-23.88%	2.02%

Fundamentals

Market Cap KMI : $73.16B WMB : $87.78B
EPS KMI : $1.32 WMB : $2.14
PE Ratio KMI : 24.99 WMB : 33.52
PEG Ratio KMI : 0.06 WMB : 1.74
PS Ratio KMI : 4.31 WMB : 7.35
PB Ratio KMI : 2.35 WMB : 6.87
Total Revenue (TTM) KMI : $16.95B WMB : $11.94B
Gross Profit (TTM) KMI : $4.34B WMB : $6.83B
EBITDA (TTM) KMI : $7.08B WMB : $7.41B

Returns By Period

The year-to-date returns for both stocks are quite close, with KMI having a 20.77% return and WMB slightly lower at 20.36%. Over the past 10 years, KMI has underperformed WMB with an annualized return of 12.14%, while WMB has yielded a comparatively higher 22.92% annualized return.

KMI

• 1D: -1.94%
• 1M: -2.98%
• YTD: 20.77%
• 6M: 18.63%
• 1Y: 19.79%
• 3Y*: 30.10%
• 5Y*: 20.96%
• 10Y*: 12.14%

WMB

• 1D: -1.31%
• 1M: -5.13%
• YTD: 20.36%
• 6M: 14.53%
• 1Y: 22.47%
• 3Y*: 39.69%
• 5Y*: 30.65%
• 10Y*: 22.92%

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

Return for Risk

KMI vs. WMB — Risk / Return Rank

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

KMI

KMI Risk / Return Rank: 67
KMI Sharpe Ratio Rank: 70
KMI Sortino Ratio Rank: 60
KMI Omega Ratio Rank: 62
KMI Calmar Ratio Rank: 71
KMI Martin Ratio Rank: 70

WMB

WMB Risk / Return Rank: 69
WMB Sharpe Ratio Rank: 71
WMB Sortino Ratio Rank: 62
WMB Omega Ratio Rank: 62
WMB Calmar Ratio Rank: 76
WMB Martin Ratio Rank: 73

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.

KMI vs. WMB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Kinder Morgan, Inc. (KMI) and The Williams Companies, Inc. (WMB). 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.

	KMI	WMB	Difference
Sharpe ratio Return per unit of total volatility	0.86	0.91	-0.05
Sortino ratio Return per unit of downside risk	1.19	1.29	-0.10
Omega ratio Gain probability vs. loss probability	1.18	1.17	0.00
Calmar ratio Return relative to maximum drawdown	1.58	1.95	-0.38
Martin ratio Return relative to average drawdown	3.58	4.19	-0.61
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KMI vs. WMB - Sharpe Ratio Comparison

The current KMI Sharpe Ratio is 0.86, which is comparable to the WMB Sharpe Ratio of 0.91. The chart below compares the historical Sharpe Ratios of KMI and WMB, 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

	KMI	WMB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.86	0.91	-0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.94	1.32	-0.38
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.44	0.73	-0.29
Sharpe Ratio (All Time) Calculated using the full available price history	0.18	0.23	-0.05

Correlation

The correlation between KMI and WMB 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

KMI vs. WMB - Dividend Comparison

KMI's dividend yield for the trailing twelve months is around 3.56%, more than WMB's 2.82% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KMI Kinder Morgan, Inc.	3.56%	4.24%	4.18%	6.38%	6.10%	6.76%	7.59%	4.49%	4.71%	2.77%	2.41%	12.94%
WMB The Williams Companies, Inc.	2.82%	3.33%	3.51%	5.14%	5.17%	6.30%	7.98%	6.41%	6.17%	3.94%	5.39%	9.53%

Drawdowns

KMI vs. WMB - Drawdown Comparison

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

Drawdown Indicators

	KMI	WMB	Difference
Max Drawdown Largest peak-to-trough decline	-72.70%	-98.03%	+25.33%
Max Drawdown (1Y) Largest decline over 1 year	-12.83%	-12.36%	-0.47%
Max Drawdown (5Y) Largest decline over 5 years	-20.31%	-23.01%	+2.70%
Max Drawdown (10Y) Largest decline over 10 years	-55.13%	-68.08%	+12.95%
Current Drawdown Current decline from peak	-3.49%	-5.13%	+1.64%
Average Drawdown Average peak-to-trough decline	-32.36%	-27.17%	-5.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.64%	5.76%	-0.12%

Volatility

KMI vs. WMB - Volatility Comparison

Kinder Morgan, Inc. (KMI) has a higher volatility of 5.72% compared to The Williams Companies, Inc. (WMB) at 5.22%. This indicates that KMI's price experiences larger fluctuations and is considered to be riskier than WMB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KMI	WMB	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.72%	5.22%	+0.50%
Volatility (6M) Calculated over the trailing 6-month period	14.40%	16.39%	-1.99%
Volatility (1Y) Calculated over the trailing 1-year period	22.99%	24.72%	-1.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.48%	23.40%	-0.92%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.90%	31.62%	-3.72%

Financials

KMI vs. WMB - Profitability Comparison

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

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 - 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 - 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 - 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 - 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%.

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%.