Which has the lower trailing P/E, PSX or WMB?

PSX has the lower trailing P/E: PSX trades at 20.75 and WMB at 30.97. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, PSX or WMB?

Over the past five years, PSX grew revenue faster — PSX at a 15.79% CAGR versus WMB at 7.21%.

Does PSX or WMB pay a bigger dividend?

PSX yields 2.35% and WMB yields 2.89% based on trailing dividends and the latest price.

Is PSX or WMB more profitable?

WMB runs the higher net margin — PSX at 3.04% versus WMB at 23.82%.

How have PSX and WMB total returns compared?

Over the past 10 years, PSX delivered 14.95% and WMB delivered 17.48% annualized total return. Past performance doesn't predict future results.

Phillips 66 (PSX) vs The Williams Companies, Inc. (WMB)

A side-by-side comparison of Phillips 66 and The Williams Companies, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 31, 2026. Differences are shown without an overall score or investment verdict.

PSX

Phillips 66

$84.87B

$211.68EnergyDelayed quote: Jul 31, 2026, 4:00 PM EDT

WMB

The Williams Companies, Inc.

$87.49B

$71.54EnergyDelayed quote: Jul 31, 2026, 4:00 PM EDT

Total return — PSX vs WMB

growth of $100 · dividends reinvested · last 14y

PSX +894.6%WMB +417.0%PSX compounded faster

PSX WMB

PSX vs WMB: by the numbers

•WMB is the larger company ($87.49B vs $84.87B market cap).
•PSX trades at the lower trailing earnings multiple (20.75 vs 30.97 P/E), one valuation lens rather than an overall verdict.
•WMB converts more revenue to profit (23.82% vs 3.04% net margin).
•PSX grew revenue faster over the past five years (15.79% vs 7.21% CAGR).
•WMB pays the higher dividend yield (2.89% vs 2.35%).

Metrics side by side

Valuation

Metric	PSX	WMB
P/E ratio	20.75	30.97
Forward P/E	10.03	29.99
P/S ratio	0.63	7.27
P/B ratio	2.98	6.68
PEG ratio	0.10	1.60
EV / EBITDA	11.38	17.17
FCF yield	0.14%	0.83%

Profitability

Metric	PSX	WMB
Gross margin	7.04%	42.86%
Operating margin	4.67%	38.79%
Net margin	3.04%	23.82%
ROE	14.45%	21.85%
ROIC	4.75%	6.16%

Dividends

Metric	PSX	WMB
Dividend yield	2.35%	2.89%
Payout ratio	45.57%	95.79%

Growth (annualized)

Metric	PSX	WMB
Revenue CAGR (5Y)	15.79%	7.21%
EPS CAGR (5Y)	8.08%	65.97%
FCF CAGR (5Y)	19.54%	-21.34%
Total return CAGR (5Y)	28.24%	29.20%

Frequently asked

Which has the lower trailing P/E, PSX or WMB?: PSX has the lower trailing P/E: PSX trades at 20.75 and WMB at 30.97. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, PSX or WMB?: Over the past five years, PSX grew revenue faster — PSX at a 15.79% CAGR versus WMB at 7.21%.
Does PSX or WMB pay a bigger dividend?: PSX yields 2.35% and WMB yields 2.89% based on trailing dividends and the latest price.
Is PSX or WMB more profitable?: WMB runs the higher net margin — PSX at 3.04% versus WMB at 23.82%.
How have PSX and WMB total returns compared?: Over the past 10 years, PSX delivered 14.95% and WMB delivered 17.48% annualized total return. Past performance doesn't predict future results.

Go deeper

Full PSX analysis Full WMB analysis Interactive comparison tool

Dig into the metrics

Phillips 66 P/E ratio Williams Companies P/E ratio Phillips 66 dividend yield Williams Companies dividend yield Phillips 66 ROE Williams Companies ROE Phillips 66 operating margin Williams Companies operating margin Phillips 66 revenue growth Williams Companies revenue growth Phillips 66 free cash flow Williams Companies free cash flow

Phillips 66 & Williams Companies appear in these rankings

Highest Dividend Yield Stocks Fastest Revenue Growth Stocks Highest Operating Margin Stocks Highest 10-Year Total Return Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified July 31, 2026.