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PSX vs. WMB: Phillips 66 vs. Williams Stock Comparison

How do Phillips 66 (PSX) 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

Phillips 66 (PSX) and Williams (WMB) both belong to the Oil, Gas & Consumable Fuels industry, though PSX is classified under Oil & Gas Refining & Marketing while WMB falls under Oil & Gas Storage & Transportation.

Company profile comparison for Phillips 66 (PSX) and Williams (WMB)
Profile ItemPSXWMB
NamePhillips 66The Williams Companies, Inc.
Country/RegionUnited StatesUnited States
GICS SectorEnergyEnergy
GICS Industry GroupEnergyEnergy
GICS IndustryOil, Gas & Consumable FuelsOil, Gas & Consumable Fuels
GICS Sub-IndustryOil & Gas Refining & MarketingOil & Gas Storage & Transportation
Market Capitalization95.85 billion USD80.11 billion USD
CurrencyUSDUSD
ExchangeNYSENYSE
Listing DateApril 12, 2012December 31, 1981
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

PSX
WMB
GSPC
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Phillips 66 (PSX) 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 Phillips 66 (PSX) and Williams (WMB). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Phillips 66 (PSX) and Williams (WMB). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Phillips 66 (PSX) and Williams (WMB)
MetricPSXWMB
Total Return (1Y)88.91%14.81%
Total Return (3Y, Annualized)36.18%28.70%
Total Return (5Y, Annualized)30.83%23.72%

Risk Profile

Drawdown History

PSX
WMB
GSPC
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Phillips 66 (PSX) 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 Phillips 66 (PSX) and Williams (WMB). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Phillips 66 (PSX) and Williams (WMB)
MetricPSXWMB
Volatility (1Y, Annualized)33.42%26.38%
Beta (5Y)0.720.65
Max Drawdown (5Y)-44.37%-23.01%
Avg. Volume (3M)2.92M7.88M

Risk-Adjusted Performance

Risk-Return Positioning

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PSX 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 Phillips 66 (PSX) and Williams (WMB)
MetricPSXWMB
Sharpe Ratio (1Y)2.530.40
Sortino Ratio (1Y)3.930.56

Profitability

ROE (TTM)

Phillips 66 (PSX) at 39.84% sits in the top ROE quartile, while Williams (WMB) at 18.31% is closer to the peer norm — stronger capital efficiency for PSX.

PSX

Energy industry group

39.84%

Max
53.85%
PSX
39.84%
Q3
24.79%
Median
12.85%
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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Phillips 66 (PSX) 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 Phillips 66 (PSX) at 7.48%, which keeps about the industry-typical share.

PSX

Energy industry group

7.48%

Max
56.92%
Q3
22.92%
Median
10.10%
PSX
7.48%
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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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their net margin against the Energy industry group benchmark.

Operating Margin (TTM)

Both Phillips 66 (PSX) at 13.17% and Williams (WMB) at 32.69% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

PSX

Energy industry group

13.17%

Max
71.31%
Q3
33.75%
Median
18.73%
PSX
13.17%
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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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their operating margin against the Energy industry group benchmark.

Profitability Metrics

Profitability metrics for Phillips 66 (PSX) and Williams (WMB)
MetricPSXWMB
ROE (TTM)39.84%18.31%
ROA (TTM)10.64%4.59%
Net Margin (TTM)7.48%24.66%
Operating Margin (TTM)13.17%32.69%
Gross Margin (TTM)15.08%63.05%

Growth

Revenue Growth

Williams (WMB) at 13.78% is around its peer norm for revenue growth, while Phillips 66 (PSX) at -7.53% drops into the bottom quartile, signaling weaker demand or pricing momentum.

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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their Revenue Growth across different time periods.

EPS Growth

Phillips 66 (PSX) at 116.23% sits in the top EPS growth quartile, while Williams (WMB) at 17.58% is closer to the peer norm — faster per-share earnings growth for PSX.

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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Phillips 66 (PSX) and Williams (WMB)
MetricPSXWMB
Revenue Growth (YoY)-7.53%13.78%
Revenue Growth (3Y CAGR)-8.00%2.91%
EPS Growth (YoY)116.23%17.58%
EPS Growth (3Y CAGR)-22.60%8.62%

Financial Strength

Current Ratio (MRQ)

Phillips 66 (PSX) at 1.34 keeps current ratio within its industry’s typical mid-range, while Williams (WMB) at 0.75 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for WMB.

PSX

Energy industry group

1.34

Max
3.64
Q3
2.21
Median
1.41
PSX
1.34
Q1
0.88
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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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their current ratio against the Energy industry group benchmark.

Debt / Equity (MRQ)

Phillips 66 (PSX) at 0.52 carries an industry-typical debt-to-equity mix, while Williams (WMB) at 1.58 uses more debt funding than most peers.

PSX

Energy industry group

0.52

Max
1.75
Q3
0.93
Median
0.54
PSX
0.52
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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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their debt-to-equity ratio against the Energy industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Phillips 66 (PSX) and Williams (WMB)
MetricPSXWMB
Current Ratio (MRQ)1.340.75
Debt / Equity (MRQ)0.521.58
Net Debt / EBITDA0.824.58

Dividends

Dividend Yield (TTM)

Both Phillips 66 (PSX) at 2.03% and Williams (WMB) at 3.23% pay solid, industry-typical yields, sitting squarely within their peers’ usual range.

PSX

Energy industry group

2.03%

Max
8.57%
Q3
3.58%
PSX
2.03%
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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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their dividend yield against the Energy industry group benchmark.

Dividend Payout Ratio (TTM)

Phillips 66 (PSX) at 16.07% pays out a band-typical share of earnings, while Williams (WMB) at 81.69% distributes more than its industry norm — less retained, thinner cover.

PSX

Energy industry group

16.07%

Max
133.24%
Q3
53.31%
Median
25.24%
PSX
16.07%
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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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their payout ratio against the Energy industry group benchmark.

Dividend Metrics

Dividend metrics for Phillips 66 (PSX) and Williams (WMB)
MetricPSXWMB
Dividend Yield (TTM)2.03%3.23%
Dividend Payout Ratio (TTM)16.07%81.69%

Valuation

P/E Ratio (TTM)

Phillips 66 (PSX) at 7.88 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.

PSX

Energy industry group

7.88

Max
39.54
Q3
21.72
Median
12.19
PSX
7.88
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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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their P/E ratio against the Energy industry group benchmark.

P/S Ratio (TTM)

Phillips 66 (PSX) at 0.57 sits in the cheaper P/S ratio quartile while Williams (WMB) at 6.32 prices above its industry range — a wide gap in sales valuation between them.

PSX

Energy industry group

0.57

Max
5.40
Q3
2.85
Median
1.69
Q1
0.88
PSX
0.57
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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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their P/S ratio against the Energy industry group benchmark.

P/B Ratio (MRQ)

Both look rich against book: Phillips 66 (PSX) at 2.79 sits in the upper P/B ratio quartile, and Williams (WMB) at 5.11 prices even higher, above its industry range.

PSX

Energy industry group

2.79

Max
4.21
PSX
2.79
Q3
2.38
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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Phillips 66 (PSX) vs. Williams (WMB): A comparison of their P/B ratio against the Energy industry group benchmark.

Valuation Metrics

Valuation metrics for Phillips 66 (PSX) and Williams (WMB)
MetricPSXWMB
P/E Ratio (TTM)7.8825.23
P/S Ratio (TTM)0.576.32
P/B Ratio (MRQ)2.795.11
Free Cash Flow Yield (TTM)9.93%-3.56%