ONEOK (XTER:ONK) Cyclically Adjusted PB Ratio: 4.26 (As of Aug. 09, 2026) — 26% Below Median

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XTER:ONK ONEOK Inc XTER:ONK
89 GF Score
Price €82.58
GF Value €101.63
Valuation Modestly Undervalued
! 5 Warning Signs
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What is ONEOK Cyclically Adjusted PB Ratio?

ONEOK XTER:ONK +0.56% 89 Cyclically Adjusted PB Ratio is 4.26 as of Aug. 09, 2026, which is 26% below its 10-year median of 5.78. GuruFocus rates XTER:ONK with a GF Score™ of 89/100 and a GF Value™ of €101.63 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 767 Oil & Gas companies, ONEOK ranks worse than 88.27% on this metric.

As of today (2026-08-09), ONEOK's current share price is €82.58. ONEOK's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was €19.38. ONEOK's Cyclically Adjusted PB Ratio for today is 4.26.

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

XTER:ONK' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.09   Med: 5.78   Max: 7.82
Current: 4.01

During the past years, ONEOK's highest Cyclically Adjusted PB Ratio was 7.82. The lowest was 2.09. And the median was 5.78.

XTER:ONK's Cyclically Adjusted PB Ratio is ranked worse than
88.27% of 767 companies
in the Oil & Gas industry
Industry Median: 1.17 vs XTER:ONK: 4.01

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.

ONEOK's adjusted book value per share data for the three months ended in Jun. 2026 was €31.600. 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 €19.38 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


ONEOK  (XTER:ONK) 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.


ONEOK Cyclically Adjusted PB Ratio Related Terms


ONEOK Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for ONEOK'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.

ONEOK Cyclically Adjusted PB Ratio Chart

ONEOK 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 5.44 5.69 5.50 6.43 3.82

ONEOK Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 4.66 3.95 3.82 4.42 4.03

XTER:ONK vs MPLX, TRGP, LNG: Cyclically Adjusted PB Ratio Comparison

For the Oil & Gas Midstream subindustry, ONEOK'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.


ONEOK Cyclically Adjusted PB Ratio vs Oil & Gas Industry

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

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


XTER:ONK
89GF Score
ONEOK Inc XTER:ONK
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

ONEOK 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.

ONEOK's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=82.58/19.38
=4.26

* 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.

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

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

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=31.6/333.9520*333.9520
=31.600

Current CPI (Jun. 2026) = 333.9520.

ONEOK Quarterly Data

Book Value per Share CPI Adj_Book
201609 0.907 241.428 1.255
201612 0.849 241.432 1.174
201703 1.057 243.801 1.448
201706 12.665 244.955 17.266
201709 11.793 246.819 15.956
201712 12.017 246.524 16.279
201803 13.221 249.554 17.692
201806 13.875 251.989 18.388
201809 13.860 252.439 18.335
201812 14.053 251.233 18.680
201903 13.813 254.202 18.147
201906 13.604 256.143 17.737
201909 13.670 256.759 17.780
201912 13.560 256.974 17.622
202003 12.159 258.115 15.731
202006 12.476 257.797 16.161
202009 11.742 260.280 15.066
202012 11.165 260.474 14.315
202103 11.495 264.877 14.493
202106 11.004 271.696 13.525
202109 11.133 274.310 13.554
202112 11.932 278.802 14.292
202203 12.186 287.504 14.155
202206 12.945 296.311 14.589
202209 14.264 296.808 16.049
202212 13.710 296.797 15.426
202303 14.888 301.836 16.472
202306 14.882 305.109 16.289
202309 26.217 307.789 28.446
202312 25.924 306.746 28.223
202403 25.922 312.332 27.716
202406 26.577 314.175 28.250
202409 26.046 315.301 27.587
202412 27.901 315.605 29.523
202503 31.638 319.799 33.038
202506 30.054 322.561 31.115
202509 29.870 324.800 30.712
202512 30.494 324.054 31.425
202603 30.695 330.213 31.043
202606 31.600 333.952 31.600

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 4.26 mean?
ONEOK (XTER:ONK) has a Cyclically Adjusted PB Ratio of 4.26 as of Aug. 09, 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 ONEOK and its competitors. This is 26% below median its historical median of 5.78. Over the past decade, ONEOK's Cyclically Adjusted PB Ratio has ranged from 2.09 to 7.82. According to the industry distribution chart, ONEOK ranks #677 out of 767 companies in the Oil & Gas industry, placing it in the top 88.3%.
Is ONEOK's Cyclically Adjusted PB Ratio too high?
ONEOK's current Cyclically Adjusted PB Ratio of 4.26 is 26% below median its 10-year median of 5.78. Over the past 10 years, this metric has ranged from a low of 2.09 to a high of 7.82. The Oil & Gas industry median Cyclically Adjusted PB Ratio is 1.17. ONEOK's value of 4.26 is 264.1% above this industry median. Based on the distribution chart, ONEOK ranks #677 out of 767 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, ONEOK has a GF Score™ of 89/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does ONEOK's Cyclically Adjusted PB Ratio compare to MPLX and TRGP?
According to the Oil & Gas industry distribution chart, ONEOK ranks #677 out of 767 companies for Cyclically Adjusted PB Ratio. This places ONEOK in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.17. ONEOK's value of 4.26 is 264.1% above this benchmark. Historically, ONEOK's own Cyclically Adjusted PB Ratio has ranged from 2.09 to 7.82 over the past decade. While the company's 10-year median is 5.78 vs. the industry median of 1.17, ONEOK 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 1.17, based on 767 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. ONEOK's current Cyclically Adjusted PB Ratio of 4.26 is 264.1% 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 ONEOK and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PB Ratio is 1.17 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ONEOK's current Cyclically Adjusted PB Ratio is 4.26, which is 26% below median its own 10-year median of 5.78. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ONEOK stock overvalued right now?
Based on GuruFocus' analysis, ONEOK (XTER:ONK) is currently considered Modestly Undervalued. The stock's GF Value™ is €101.63, compared to a current price of €82.58 — trading 18.7% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 4.26, which is 26% below median its 10-year median of 5.78 and 264.1% above the Oil & Gas industry median of 1.17. ONEOK's overall GF Score™ is 89/100 with 5 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 ONEOK (XTER:ONK), the current Cyclically Adjusted PB Ratio is 4.26 as of Aug. 09, 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 ONEOK (XTER:ONK) Overvalued in 2026?

Based on GuruFocus' analysis, ONEOK stock appears to be undervalued. The current stock price of €82.58 is trading 18.7% below its estimated GF Value™ of €101.63. GuruFocus considers ONEOK to be Modestly Undervalued.

Key valuation signals for XTER:ONK:

  • Cyclically Adjusted PB Ratio: 4.26 (26% below median its 10-year median of 5.78)
  • GF Value™: €101.63 vs. price of €82.58 (18.7% below fair value)
  • GF Score™: 89/100 with 5 warning signs
  • Industry Position: 264.1% above the Oil & Gas median (#677 of 767)

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


ONEOK Business Description

Industry EnergyOil & Gas
Address 100 West Fifth Street, Tulsa, OK, USA, 74103
Oneok is a diversified midstream service provider specializing in natural gas gathering, processing, storage, and transportation, as well as natural gas liquids transportation and fractionation. It also operates in the refined product and crude oil segment, connecting producers, refiners, and consumers. Operations are in the midcontinent, Permian, and Rocky Mountain regions.
89GF Score

Get the complete analysis for XTER:ONK

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

€82.58
Price
€101.63
GF Value