Phillips 66 (XSWX:PSX) Tax Rate %: 15.77% (As of Mar. 2026)

What is Phillips 66 Tax Rate %?

Phillips 66 XSWX:PSX +0.02% 68 Tax Rate % is 15.77% as of Mar. 2026. GuruFocus rates XSWX:PSX with a GF Score™ of 68/100 and a GF Value™ of CHF109.85. The stock has 6 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Phillips 66's Tax Expense for the three months ended in Mar. 2026 was CHF32 Mil. Phillips 66's Pre-Tax Income for the three months ended in Mar. 2026 was CHF205 Mil. Therefore, Phillips 66's Tax Rate % for the quarter that ended in Mar. 2026 was 15.77%.

Phillips 66 Tax Rate % Related Terms

Phillips 66 Tax Rate % Historical Data

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The historical data trend for Phillips 66's Tax Rate % 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.

Phillips 66 Tax Rate % Chart

Phillips 66 Annual Data

Trend

Dec16

Dec17

Dec18

Dec19

Dec20

Dec21

Dec22

Dec23

Dec24

Dec25

Tax Rate %

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8.39

22.19

23.55

18.69

16.46

Phillips 66 Quarterly Data
	Jun21	Sep21	Dec21	Mar22	Jun22	Sep22	Dec22	Mar23	Jun23	Sep23	Dec23	Mar24	Jun24	Sep24	Dec24	Mar25	Jun25	Sep25	Dec25	Mar26
Tax Rate %	Get a 7-Day Free Trial															18.83	18.93	16.08	15.23	15.77

68GF Score

Phillips 66 XSWX:PSX

Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.

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Phillips 66 Tax Rate % Calculation

Tax Rate % is the ratio of tax expense divided by pretax income, usually presented in percent.

Phillips 66's Tax Rate % for the fiscal year that ended in Dec. 2025 is calculated as

Tax Rate %	=	Tax Expense (A: Dec. 2025 )	/	Pre-Tax Income (A: Dec. 2025 )
	=	710.835	/	4319.198
	=	16.46 %

Phillips 66's Tax Rate % for the quarter that ended in Mar. 2026 is calculated as

Tax Rate %	=	Tax Expense (Q: Mar. 2026 )	/	Pre-Tax Income (Q: Mar. 2026 )
	=	32.279	/	204.698
	=	15.77 %

Frequently Asked Questions Learn more about Tax Rate % →

What does a Tax Rate % of 15.77% mean?

Phillips 66 (XSWX:PSX) has a Tax Rate % of 15.77% as of Mar. 2026.

Is Phillips 66's Tax Rate % too high?

Phillips 66's current Tax Rate % is 15.77%. Overall, Phillips 66 has a GF Score™ of 68/100, reflecting its overall financial health beyond just this single metric.

How does Phillips 66's Tax Rate % compare to MPC and VLO?

Phillips 66's Tax Rate % of 15.77% can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.

What is a good Tax Rate % for an Oil & Gas company?

A good Tax Rate % depends on the Oil & Gas industry context. However, Tax Rate % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.

What does a high Tax Rate % mean?

A high Tax Rate % can signal that a stock is expensive relative to its fundamentals. Phillips 66's current Tax Rate % is 15.77%. 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?

Phillips 66 (XSWX:PSX) has a current Tax Rate % of 15.77%. The stock's GF Value™ is CHF109.85, compared to a current price of CHF138.77 — trading 26.3% above its estimated fair value. The current Tax Rate % is 15.77%. Phillips 66's overall GF Score™ is 68/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.

How is Tax Rate % calculated?

Tax Rate % is calculated from a company's financial statements. For Phillips 66 (XSWX:PSX), the current Tax Rate % is 15.77% as of Mar. 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 (XSWX:PSX) Overvalued in 2026?

Based on GuruFocus' analysis, Phillips 66 stock appears to be overvalued. The current stock price of CHF138.77 is trading 26.3% above its estimated GF Value™ of CHF109.85.

Key valuation signals for XSWX:PSX:

Tax Rate %: 15.77%
GF Value™: CHF109.85 vs. price of CHF138.77 (26.3% above fair value)
GF Score™: 68/100 with 6 warning signs

No single metric tells the full story. See the XSWX:PSX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Phillips 66 Business Description

Industry Energy Oil & Gas

Comparable Companies MPC VLO DINO SUN IEP PBF CVI PARR DK DKL NSE:RELIANCE XKAZ:KMGZ OHEL:NESTE TSE:5020 NSE:IOC TPE:6505 XKRX:096770 BOM:500547 XKRX:267250 TSE:5019

Other Exchanges PSX:USA PSX:Mexico 0KHZ:UK R66:Germany P1SX34:Brazil PSXC:Austria

Address 2331 CityWest Boulevard, Houston, TX, USA, 77042

Website https://www.phillips66.com

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.

68GF Score

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Tax Rate % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

CHF138.77

Price

CHF109.85

GF Value

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