Phillips 66 (MIL:1PSX) Cyclically Adjusted PB Ratio: 3.33 (As of Jul. 28, 2026) — 72% Above Median

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MIL:1PSX Phillips 66 MIL:1PSX
43 GF Score
Price €180.70
GF Value €116.18
Valuation Significantly Overvalued
! 8 Warning Signs
View Full Analysis

What is Phillips 66 Cyclically Adjusted PB Ratio?

Phillips 66 MIL:1PSX -3.47% 43 Cyclically Adjusted PB Ratio is 3.33 as of Jul. 28, 2026, which is 72% above its 10-year median of 1.94. GuruFocus rates MIL:1PSX with a GF Score™ of 43/100 and a GF Value™ of €116.18 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 766 Oil & Gas companies, Phillips 66 ranks worse than 83.55% on this metric.

As of today (2026-07-28), Phillips 66's current share price is €180.70. Phillips 66's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €54.29. Phillips 66's Cyclically Adjusted PB Ratio for today is 3.33.

The historical rank and industry rank for Phillips 66's Cyclically Adjusted PB Ratio or its related term are showing as below:

MIL:1PSX' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.01   Med: 1.94   Max: 3.19
Current: 3.19

During the past years, Phillips 66's highest Cyclically Adjusted PB Ratio was 3.19. The lowest was 1.01. And the median was 1.94.

MIL:1PSX's Cyclically Adjusted PB Ratio is ranked worse than
83.55% of 766 companies
in the Oil & Gas industry
Industry Median: 1.215 vs MIL:1PSX: 3.19

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Phillips 66's adjusted book value per share data for the three months ended in Mar. 2026 was €61.548. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is €54.29 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Phillips 66  (MIL:1PSX) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Phillips 66 Cyclically Adjusted PB Ratio Related Terms


Phillips 66 Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Phillips 66's Cyclically Adjusted PB Ratio 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 Cyclically Adjusted PB Ratio Chart

Phillips 66 Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.48 1.96 2.33 1.88 2.04

Phillips 66 Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 2.00 1.91 2.15 2.04 2.81

MIL:1PSX vs VLO, MPC, DINO: Cyclically Adjusted PB Ratio Comparison

For the Oil & Gas Refining & Marketing subindustry, Phillips 66's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio 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 Cyclically Adjusted PB Ratio vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Phillips 66's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Phillips 66's Cyclically Adjusted PB Ratio falls into.


MIL:1PSX
43GF Score
Phillips 66 MIL:1PSX
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Phillips 66 Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Phillips 66's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=180.70/54.29
=3.33

* 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's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Phillips 66's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=61.548/330.2130*330.2130
=61.548

Current CPI (Mar. 2026) = 330.2130.

Phillips 66 Quarterly Data

Book Value per Share CPI Adj_Book
201606 38.882 241.018 53.271
201609 39.183 241.428 53.593
201612 40.897 241.432 55.936
201703 40.516 243.801 54.876
201706 38.919 244.955 52.465
201709 37.291 246.819 49.891
201712 42.202 246.524 56.529
201803 38.167 249.554 50.503
201806 41.552 251.989 54.451
201809 43.338 252.439 56.690
201812 47.505 251.233 62.439
201903 47.254 254.202 61.384
201906 48.837 256.143 62.959
201909 50.793 256.759 65.324
201912 50.834 256.974 65.322
202003 44.293 258.115 56.665
202006 42.123 257.797 53.955
202009 38.333 260.280 48.632
202012 35.720 260.474 45.284
202103 34.491 264.877 42.999
202106 34.393 271.696 41.800
202109 35.193 274.310 42.365
202112 38.703 278.802 45.840
202203 41.172 287.504 47.288
202206 47.739 296.311 53.201
202209 60.333 296.808 67.123
202212 59.768 296.797 66.497
202303 61.571 301.836 67.360
202306 61.973 305.109 67.072
202309 65.641 307.789 70.423
202312 65.150 306.746 70.134
202403 64.507 312.332 68.200
202406 65.374 314.175 68.711
202409 62.662 315.301 65.626
202412 64.092 315.605 67.059
202503 61.896 319.799 63.912
202506 58.979 322.561 60.378
202509 56.918 324.800 57.867
202512 61.937 324.054 63.114
202603 61.548 330.213 61.548

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 3.33 mean?
Phillips 66 (MIL:1PSX) has a Cyclically Adjusted PB Ratio of 3.33 as of Jul. 28, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Phillips 66 and its competitors. This is 72% above median its historical median of 1.94. Over the past decade, Phillips 66's Cyclically Adjusted PB Ratio has ranged from 1.01 to 3.19. According to the industry distribution chart, Phillips 66 ranks #640 out of 766 companies in the Oil & Gas industry, placing it in the top 83.6%.
Is Phillips 66's Cyclically Adjusted PB Ratio too high?
Phillips 66's current Cyclically Adjusted PB Ratio of 3.33 is 72% above median its 10-year median of 1.94. Over the past 10 years, this metric has ranged from a low of 1.01 to a high of 3.19. The Oil & Gas industry median Cyclically Adjusted PB Ratio is 1.22. Phillips 66's value of 3.33 is 174.1% above this industry median. Based on the distribution chart, Phillips 66 ranks #640 out of 766 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Phillips 66 has a GF Score™ of 43/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Phillips 66's Cyclically Adjusted PB Ratio compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Phillips 66 ranks #640 out of 766 companies for Cyclically Adjusted PB Ratio. This places Phillips 66 in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.22. Phillips 66's value of 3.33 is 174.1% above this benchmark. Historically, Phillips 66's own Cyclically Adjusted PB Ratio has ranged from 1.01 to 3.19 over the past decade. While the company's 10-year median is 1.94 vs. the industry median of 1.22, 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 Cyclically Adjusted PB Ratio for an Oil & Gas company?
The median Cyclically Adjusted PB Ratio among Oil & Gas companies is 1.22, based on 766 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Phillips 66's current Cyclically Adjusted PB Ratio of 3.33 is 174.1% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Phillips 66 and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PB Ratio is 1.22 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Phillips 66's current Cyclically Adjusted PB Ratio is 3.33, which is 72% above median its own 10-year median of 1.94. 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 (MIL:1PSX) is currently considered Significantly Overvalued. The stock's GF Value™ is €116.18, compared to a current price of €180.70 — trading 55.5% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.33, which is 72% above median its 10-year median of 1.94 and 174.1% above the Oil & Gas industry median of 1.22. Phillips 66's overall GF Score™ is 43/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Phillips 66 (MIL:1PSX), the current Cyclically Adjusted PB Ratio is 3.33 as of Jul. 28, 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 (MIL:1PSX) Overvalued in 2026?

Based on GuruFocus' analysis, Phillips 66 stock appears to be overvalued. The current stock price of €180.70 is trading 55.5% above its estimated GF Value™ of €116.18. GuruFocus considers Phillips 66 to be Significantly Overvalued.

Key valuation signals for MIL:1PSX:

  • Cyclically Adjusted PB Ratio: 3.33 (72% above median its 10-year median of 1.94)
  • GF Value™: €116.18 vs. price of €180.70 (55.5% above fair value)
  • GF Score™: 43/100 with 8 warning signs
  • Industry Position: 174.1% above the Oil & Gas median (#640 of 766)

No single metric tells the full story. See the MIL:1PSX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Phillips 66 Business Description

Industry EnergyOil & Gas
Address 2331 CityWest Boulevard, Houston, TX, USA, 77042
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.
43GF Score

Get the complete analysis for MIL:1PSX

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€180.70
Price
€116.18
GF Value