KMI vs. WMB
KMI (Kinder Morgan, Inc.) and WMB (The Williams Companies, Inc.) are both stocks. Both operate in the Oil & Gas Midstream industry within the Energy sector. Over the past 10 years, KMI returned 11.73%/yr vs 19.28%/yr for WMB. A 0.68 correlation means they provide meaningful diversification when combined.
Performance
KMI vs. WMB - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, KMI achieves a 18.40% return, which is significantly lower than WMB's 21.67% return. Over the past 10 years, KMI has underperformed WMB with an annualized return of 11.73%, while WMB has yielded a comparatively higher 19.28% annualized return.
KMI
- 1D
- 1.85%
- 1M
- -2.65%
- YTD
- 18.40%
- 6M
- 21.76%
- 1Y
- 20.25%
- 3Y*
- 29.74%
- 5Y*
- 17.07%
- 10Y*
- 11.73%
WMB
- 1D
- 1.39%
- 1M
- -4.09%
- YTD
- 21.67%
- 6M
- 22.42%
- 1Y
- 24.82%
- 3Y*
- 38.58%
- 5Y*
- 26.67%
- 10Y*
- 19.28%
KMI vs. WMB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
KMI Kinder Morgan, Inc. | 18.40% | 4.74% | 64.42% | 4.10% | 21.23% | 23.75% | -30.77% | 44.43% | -11.18% | -10.56% |
WMB The Williams Companies, Inc. | 21.67% | 14.91% | 62.35% | 11.86% | 32.83% | 38.36% | -8.20% | 14.18% | -23.88% | 2.02% |
Correlation
The correlation between KMI and WMB is 0.82, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.82 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.82 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.84 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.76 |
Correlation (All Time) Calculated using the full available price history since Feb 11, 2011 | 0.68 |
The correlation between KMI and WMB shifts across timeframes, from 0.68 (all time) to 0.84 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
KMI:
$71.07B
WMB:
$88.15B
KMI:
$1.53
WMB:
$2.28
KMI:
20.88
WMB:
31.55
KMI:
1.27
WMB:
1.64
KMI:
4.05
WMB:
7.39
KMI:
2.27
WMB:
6.80
KMI:
$17.52B
WMB:
$11.92B
KMI:
$5.86B
WMB:
$7.49B
KMI:
$6.90B
WMB:
$6.88B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
KMI vs. WMB — Risk / Return Rank
KMI
WMB
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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| KMI | WMB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.08 | ||
| Sortino ratioReturn per unit of downside risk | -0.13 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 1.20 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.83 | 2.02 | -0.19 |
| Martin ratioReturn relative to average drawdown | 3.62 | 4.27 | -0.65 |
Loading charts...
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.
Loading charts...
Drawdown Indicators
| KMI | WMB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -72.70% | -98.03% | +25.33% |
Max Drawdown (1Y)Largest decline over 1 year | -11.11% | -12.36% | +1.25% |
Max Drawdown (3Y)Largest decline over 3 years | -18.40% | -12.36% | -6.04% |
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 DrawdownCurrent decline from peak | -6.91% | -8.55% | +1.64% |
Average DrawdownAverage peak-to-trough decline | -32.06% | -27.07% | -4.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.60% | 5.82% | -0.22% |
Volatility
KMI vs. WMB - Volatility Comparison
The current volatility for Kinder Morgan, Inc. (KMI) is 6.93%, while The Williams Companies, Inc. (WMB) has a volatility of 7.36%. This indicates that KMI experiences smaller price fluctuations and is considered to be less risky than WMB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| KMI | WMB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.93% | 7.36% | -0.43% |
Volatility (6M)Calculated over the trailing 6-month period | 14.66% | 15.58% | -0.92% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.34% | 23.00% | -2.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.61% | 23.62% | -1.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.71% | 30.95% | -3.24% |
Dividends
KMI vs. WMB - Dividend Comparison
KMI's dividend yield for the trailing twelve months is around 3.68%, more than WMB's 3.54% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
KMI Kinder Morgan, Inc. | 3.68% | 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. | 3.54% | 3.33% | 3.51% | 5.14% | 5.17% | 6.30% | 7.98% | 6.41% | 6.17% | 3.94% | 5.39% | 9.53% |
Financials
KMI vs. WMB - Financials Comparison
This section allows you to compare key financial metrics between Kinder Morgan, Inc. and The Williams Companies, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
KMI vs. WMB - Profitability Comparison
KMI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Kinder Morgan, Inc. reported a gross profit of 0.00 and revenue of 4.83B. 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 Jun 2026, The Williams Companies, Inc. reported a gross profit of 2.49B and revenue of 3.03B. Therefore, the gross margin over that period was 82.1%.
KMI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Kinder Morgan, Inc. reported an operating income of 1.44B and revenue of 4.83B, resulting in an operating margin of 29.9%.
WMB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, The Williams Companies, Inc. reported an operating income of 1.32B and revenue of 3.03B, resulting in an operating margin of 43.6%.
KMI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Kinder Morgan, Inc. reported a net income of 1.06B and revenue of 4.83B, resulting in a net margin of 22.0%.
WMB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, The Williams Companies, Inc. reported a net income of 865.00M and revenue of 3.03B, resulting in a net margin of 28.6%.
Frequently Asked Questions
KMI and WMB have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
WMB has higher volatility (7.36%) compared to KMI (6.93%). In terms of maximum drawdown, KMI dropped -72.70% vs WMB's -98.03%.
WMB currently has the higher Sharpe Ratio (1.08 vs 1.00), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for KMI and WMB
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer