Phillips 66MEX:PSX 66 EV-to-FCF is 638.46 as of Jul. 01, 2026, which is 3475% above its 10-year median of 17.86. GuruFocus rates MEX:PSX with a GF Score™ of 66/100 and a GF Value™ of MXN2,553.38 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 579 Oil & Gas companies, Phillips 66 ranks worse than 98.27% on this metric.
EV-to-FCF is calculated as enterprise value divided by its free cash flow. As of today, Phillips 66's Enterprise Value is MXN1,592,278 Mil.
Phillips 66's Free Cash Flow for the trailing twelve months (TTM) ended in Mar. 2026 was MXN2,494 Mil. Therefore, Phillips 66's EV-to-FCF for today is 638.46.
The historical rank and industry rank for Phillips 66's EV-to-FCF or its related term are showing as below:
MEX:PSX'
s EV-to-FCF Range Over the Past 10 Years
Min: -348.19 Med: 17.86 Max: 814.77
Current: 763.91
During the past 13 years, the highest EV-to-FCF of Phillips 66 was 814.77. The lowest was -348.19. And the median was 17.86.
MEX:PSX's EV-to-FCF is ranked worse than 98.27% of 579
companies
in the Oil & Gas industry
Industry Median: 15.28
vs MEX:PSX: 763.91
EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
Phillips 66's PE Ratio (TTM) for today is calculated as:
Phillips 66's share price for today is MXN3169.00.
Phillips 66's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was MXN185.438.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Enterprise Value is used because it is a more complete measure in reflecting how much an investor pays when buying a company. Free Cash Flow is an important financial metric because it represents the actual amount of cash at a company's disposal. Companies with a low EV-to-FCF ratio, combined with a strong balance sheet are generally considered as undervalued.
Phillips 66 EV-to-FCF Related Terms
Phillips 66 EV-to-FCF Historical Data
* Premium members only.
The historical data trend for Phillips 66's EV-to-FCF can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Oil & Gas Refining & Marketing subindustry, Phillips 66's EV-to-FCF, along with its competitors' market caps and EV-to-FCF data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Phillips 66 EV-to-FCF vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Phillips 66's EV-to-FCF distribution charts can be found below:
* The bar in red indicates where Phillips 66's EV-to-FCF falls into.
Phillips 66's current Enterprise Value is MXN1,592,278 Mil.
Phillips 66's Free Cash Flow for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was MXN2,494 Mil.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Phillips 66 (MEX:PSX) has a EV-to-FCF of 638.46 as of Jul. 01, 2026. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Phillips 66 and its competitors. This is 3475% above median its historical median of 17.86. According to the industry distribution chart, Phillips 66 ranks #569 out of 579 companies in the Oil & Gas industry, placing it in the top 98.3%.
Is Phillips 66's EV-to-FCF too high?
Phillips 66's current EV-to-FCF of 638.46 is 3475% above median its 10-year median of 17.86. The Oil & Gas industry median EV-to-FCF is 15.28. Phillips 66's value of 638.46 is 4078.4% above this industry median. Based on the distribution chart, Phillips 66 ranks #569 out of 579 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Phillips 66 has a GF Score™ of 66/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Phillips 66's EV-to-FCF compare to MPC and VLO?
According to the Oil & Gas industry distribution chart, Phillips 66 ranks #569 out of 579 companies for EV-to-FCF. This places Phillips 66 in the lower half of its industry. The industry median EV-to-FCF is 15.28. Phillips 66's value of 638.46 is 4078.4% above this benchmark. While the company's 10-year median is 17.86 vs. the industry median of 15.28, Phillips 66 has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-FCF for an Oil & Gas company?
The median EV-to-FCF among Oil & Gas companies is 15.28, based on 579 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-FCF significantly above this median, while those in the bottom quartile fall well below. However, EV-to-FCF should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Phillips 66's current EV-to-FCF of 638.46 is 4078.4% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high EV-to-FCF mean?
A high EV-to-FCF can signal that a stock is expensive relative to its fundamentals. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Phillips 66 and its competitors. For the Oil & Gas industry, the median EV-to-FCF is 15.28 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Phillips 66's current EV-to-FCF is 638.46, which is 3475% above median its own 10-year median of 17.86. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Phillips 66 stock overvalued right now?
Based on GuruFocus' analysis, Phillips 66 (MEX:PSX) is currently considered Modestly Overvalued. The stock's GF Value™ is MXN2,553.38, compared to a current price of MXN3,169.00 — trading 24.1% above its estimated fair value. The current EV-to-FCF is 638.46, which is 3475% above median its 10-year median of 17.86 and 4078.4% above the Oil & Gas industry median of 15.28. Phillips 66's overall GF Score™ is 66/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-FCF calculated?
EV-to-FCF is calculated from a company's financial statements. For Phillips 66 (MEX:PSX), the current EV-to-FCF is 638.46 as of Jul. 01, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Phillips 66 (MEX:PSX) Overvalued in 2026?
Based on GuruFocus' analysis, Phillips 66 stock appears to be overvalued.
The current stock price of MXN3,169.00 is trading 24.1% above its estimated GF Value™ of MXN2,553.38.
GuruFocus considers Phillips 66 to be Modestly Overvalued.
Key valuation signals for MEX:PSX:
EV-to-FCF: 638.46 (3475% above median its 10-year median of 17.86)
GF Value™: MXN2,553.38 vs. price of MXN3,169.00 (24.1% above fair value)
Industry Position: 4078.4% above the Oil & Gas median (#569 of 579)
No single metric tells the full story. See the MEX:PSX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Phillips 66 is an independent refiner that owns or holds interest in 10 refineries with a total crude throughput capacity of 2.0 million barrels per day, or mmb/d, at the end of 2025. The midstream segment comprises extensive transportation and NGL processing assets. It includes 70,000 miles of crude oil, refined petroleum product, NGL and natural gas pipeline systems, and a comprehensive set of refined petroleum product, NGL and crude oil terminals, gathering and processing plants and fractionation facilities and various other storage and loading facilities. Its CPChem chemical joint venture operates facilities primarily in the United States and the Middle East and produces olefins and polyolefins.
66GF Score
Get the complete analysis for MEX:PSX
EV-to-FCF is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
MEX:PSX has been successfully added to your 
