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KMI vs. WMB: Kinder Morgan vs. Williams Stock Comparison

How do Kinder Morgan (KMI) and Williams (WMB) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Kinder Morgan (KMI) and Williams (WMB) are both classified in the Oil & Gas Storage & Transportation sub-industry within the broader Oil, Gas & Consumable Fuels industry, placing them in the closest GICS peer bucket.

Company profile comparison for Kinder Morgan (KMI) and Williams (WMB)
Profile ItemKMIWMB
NameKinder Morgan Inc.The Williams Companies, Inc.
Country/RegionUnited StatesUnited States
GICS SectorEnergyEnergy
GICS Industry GroupEnergyEnergy
GICS IndustryOil, Gas & Consumable FuelsOil, Gas & Consumable Fuels
GICS Sub-IndustryOil & Gas Storage & TransportationOil & Gas Storage & Transportation
Market Capitalization66.74 billion USD80.11 billion USD
CurrencyUSDUSD
ExchangeNYSENYSE
Listing DateFebruary 11, 2011December 31, 1981
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

KMI
WMB
GSPC
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Kinder Morgan (KMI) vs. Williams (WMB), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Kinder Morgan (KMI) and Williams (WMB). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Kinder Morgan (KMI) and Williams (WMB). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Kinder Morgan (KMI) and Williams (WMB)
MetricKMIWMB
Total Return (1Y)19.50%14.81%
Total Return (3Y, Annualized)29.33%28.70%
Total Return (5Y, Annualized)18.80%23.72%

Risk Profile

Drawdown History

KMI
WMB
GSPC
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Kinder Morgan (KMI) vs. Williams (WMB), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Kinder Morgan (KMI) and Williams (WMB). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Kinder Morgan (KMI) and Williams (WMB)
MetricKMIWMB
Volatility (1Y, Annualized)22.00%26.38%
Beta (5Y)0.600.65
Max Drawdown (5Y)-20.31%-23.01%
Avg. Volume (3M)12.88M7.88M

Risk-Adjusted Performance

Risk-Return Positioning

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KMI and WMB are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Kinder Morgan (KMI) and Williams (WMB)
MetricKMIWMB
Sharpe Ratio (1Y)0.690.40
Sortino Ratio (1Y)1.010.56

Profitability

ROE (TTM)

Both Kinder Morgan (KMI) at 11.43% and Williams (WMB) at 18.31% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

KMI

Energy industry group

11.43%

Max
53.85%
Q3
24.79%
Median
12.85%
KMI
11.43%
Q1
2.03%
Min
-29.09%

WMB

Energy industry group

18.31%

Max
53.85%
Q3
24.79%
WMB
18.31%
Median
12.85%
Q1
2.03%
Min
-29.09%
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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their ROE against the Energy industry group benchmark.

Net Margin (TTM)

Williams (WMB) at 24.66% retains a top-quartile share of revenue as profit, ahead of Kinder Morgan (KMI) at 19.64%, which keeps about the industry-typical share.

KMI

Energy industry group

19.64%

Max
56.92%
Q3
22.92%
KMI
19.64%
Median
10.10%
Q1
0.07%
Min
-27.38%

WMB

Energy industry group

24.66%

Max
56.92%
WMB
24.66%
Q3
22.92%
Median
10.10%
Q1
0.07%
Min
-27.38%
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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their net margin against the Energy industry group benchmark.

Operating Margin (TTM)

Both Kinder Morgan (KMI) at 24.03% and Williams (WMB) at 32.69% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

KMI

Energy industry group

24.03%

Max
71.31%
Q3
33.75%
KMI
24.03%
Median
18.73%
Q1
6.94%
Min
-24.52%

WMB

Energy industry group

32.69%

Max
71.31%
Q3
33.75%
WMB
32.69%
Median
18.73%
Q1
6.94%
Min
-24.52%
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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their operating margin against the Energy industry group benchmark.

Profitability Metrics

Profitability metrics for Kinder Morgan (KMI) and Williams (WMB)
MetricKMIWMB
ROE (TTM)11.43%18.31%
ROA (TTM)4.44%4.59%
Net Margin (TTM)19.64%24.66%
Operating Margin (TTM)24.03%32.69%
Gross Margin (TTM)48.65%63.05%

Growth

Revenue Growth

Both Kinder Morgan (KMI) at 12.17% and Williams (WMB) at 13.78% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both Kinder Morgan (KMI) at 17.09% and Williams (WMB) at 17.58% land near their industries' usual EPS growth ranges, so bottom-line momentum looks broadly in line with peers on both sides.

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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Kinder Morgan (KMI) and Williams (WMB)
MetricKMIWMB
Revenue Growth (YoY)12.17%13.78%
Revenue Growth (3Y CAGR)-4.09%2.91%
EPS Growth (YoY)17.09%17.58%
EPS Growth (3Y CAGR)6.95%8.62%

Financial Strength

Current Ratio (MRQ)

Both Kinder Morgan (KMI) at 0.67 and Williams (WMB) at 0.75 run current ratio in the tighter-liquidity quartile of industry peers, leaving thinner cushions against current liabilities than typical competitors.

KMI

Energy industry group

0.67

Max
3.64
Q3
2.21
Median
1.41
Q1
0.88
KMI
0.67
Min
0.24

WMB

Energy industry group

0.75

Max
3.64
Q3
2.21
Median
1.41
Q1
0.88
WMB
0.75
Min
0.24
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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their current ratio against the Energy industry group benchmark.

Debt / Equity (MRQ)

Both Kinder Morgan (KMI) at 1.02 and Williams (WMB) at 1.58 lean more heavily on debt funding than most peers, landing in the higher-leverage quartile of their industries.

KMI

Energy industry group

1.02

Max
1.75
KMI
1.02
Q3
0.93
Median
0.54
Q1
0.30
Min
0.00

WMB

Energy industry group

1.58

Max
1.75
WMB
1.58
Q3
0.93
Median
0.54
Q1
0.30
Min
0.00
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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their debt-to-equity ratio against the Energy industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Kinder Morgan (KMI) and Williams (WMB)
MetricKMIWMB
Current Ratio (MRQ)0.670.75
Debt / Equity (MRQ)1.021.58
Net Debt / EBITDA4.234.58

Dividends

Dividend Yield (TTM)

Kinder Morgan (KMI) at 3.93% delivers top-quartile income for its industry, while Williams (WMB) at 3.23% pays a more typical yield — both are credible income propositions, KMI the richer one.

KMI

Energy industry group

3.93%

Max
8.57%
KMI
3.93%
Q3
3.58%
Median
1.71%
Q1
0.00%
Min
0.00%

WMB

Energy industry group

3.23%

Max
8.57%
Q3
3.58%
WMB
3.23%
Median
1.71%
Q1
0.00%
Min
0.00%
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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their dividend yield against the Energy industry group benchmark.

Dividend Payout Ratio (TTM)

Both Kinder Morgan (KMI) at 72.84% and Williams (WMB) at 81.69% pay out an above-typical share of earnings for their industries, leaving thinner cover if profits dip.

KMI

Energy industry group

72.84%

Max
133.24%
KMI
72.84%
Q3
53.31%
Median
25.24%
Q1
0.00%
Min
0.00%

WMB

Energy industry group

81.69%

Max
133.24%
WMB
81.69%
Q3
53.31%
Median
25.24%
Q1
0.00%
Min
0.00%
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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their payout ratio against the Energy industry group benchmark.

Dividend Metrics

Dividend metrics for Kinder Morgan (KMI) and Williams (WMB)
MetricKMIWMB
Dividend Yield (TTM)3.93%3.23%
Dividend Payout Ratio (TTM)72.84%81.69%

Valuation

P/E Ratio (TTM)

Kinder Morgan (KMI) at 18.49 is near its industry’s usual P/E ratio, while Williams (WMB) at 25.23 sits in the richer quartile — WMB needs stronger growth or earnings quality to justify the premium.

KMI

Energy industry group

18.49

Max
39.54
Q3
21.72
KMI
18.49
Median
12.19
Q1
7.71
Min
2.99

WMB

Energy industry group

25.23

Max
39.54
WMB
25.23
Q3
21.72
Median
12.19
Q1
7.71
Min
2.99
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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their P/E ratio against the Energy industry group benchmark.

P/S Ratio (TTM)

Both look expensive on sales: Kinder Morgan (KMI) at 3.64 sits in the upper P/S ratio quartile, and Williams (WMB) at 6.32 prices even higher, above its industry range.

KMI

Energy industry group

3.64

Max
5.40
KMI
3.64
Q3
2.85
Median
1.69
Q1
0.88
Min
0.00

WMB

Energy industry group

6.32

WMB
6.32
Max
5.40
Q3
2.85
Median
1.69
Q1
0.88
Min
0.00
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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their P/S ratio against the Energy industry group benchmark.

P/B Ratio (MRQ)

Kinder Morgan (KMI) at 2.11 sits near its industry’s typical P/B ratio, while Williams (WMB) at 5.11 prices above its benchmark range — WMB looks rich relative to book.

KMI

Energy industry group

2.11

Max
4.21
Q3
2.38
KMI
2.11
Median
1.51
Q1
1.08
Min
0.01

WMB

Energy industry group

5.11

WMB
5.11
Max
4.21
Q3
2.38
Median
1.51
Q1
1.08
Min
0.01
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Kinder Morgan (KMI) vs. Williams (WMB): A comparison of their P/B ratio against the Energy industry group benchmark.

Valuation Metrics

Valuation metrics for Kinder Morgan (KMI) and Williams (WMB)
MetricKMIWMB
P/E Ratio (TTM)18.4925.23
P/S Ratio (TTM)3.646.32
P/B Ratio (MRQ)2.115.11
Free Cash Flow Yield (TTM)1.61%-3.56%