China Oilfield Services (SHSE:601808) Cyclically Adjusted PB Ratio: 1.51 (As of Aug. 29, 2026) — Near Median

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SHSE:601808 China Oilfield Services Ltd SHSE:601808
75 GF Score
Price ¥12.85
GF Value ¥16.01
Valuation Modestly Undervalued
! 4 Warning Signs
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What is China Oilfield Services Cyclically Adjusted PB Ratio?

China Oilfield Services SHSE:601808 +2.15% 75 Cyclically Adjusted PB Ratio is 1.51 as of Aug. 29, 2026, which is 7% below its 10-year median of 1.63. GuruFocus rates SHSE:601808 with a GF Score™ of 75/100 and a GF Value™ of ¥16.01 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 752 Oil & Gas companies, China Oilfield Services ranks worse than 59.84% on this metric.

As of today (2026-08-29), China Oilfield Services's current share price is ¥12.85. China Oilfield Services's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was ¥8.53. China Oilfield Services's Cyclically Adjusted PB Ratio for today is 1.51.

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

SHSE:601808' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.05   Med: 1.63   Max: 2.28
Current: 1.51

During the past years, China Oilfield Services's highest Cyclically Adjusted PB Ratio was 2.28. The lowest was 1.05. And the median was 1.63.

SHSE:601808's Cyclically Adjusted PB Ratio is ranked worse than
59.84% of 752 companies
in the Oil & Gas industry
Industry Median: 1.2 vs SHSE:601808: 1.51

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.

China Oilfield Services's adjusted book value per share data for the three months ended in Jun. 2026 was ¥9.915. 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 ¥8.53 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


China Oilfield Services  (SHSE:601808) 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.


China Oilfield Services Cyclically Adjusted PB Ratio Related Terms


China Oilfield Services Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for China Oilfield Services'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.

China Oilfield Services Cyclically Adjusted PB Ratio Chart

China Oilfield Services 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 1.71 1.86 1.66 1.77 1.65

China Oilfield Services 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 1.61 1.58 1.65 1.85 1.27

SHSE:601808 vs SLB, BKR, FTI: Cyclically Adjusted PB Ratio Comparison

For the Oil & Gas Equipment & Services subindustry, China Oilfield Services'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.


China Oilfield Services Cyclically Adjusted PB Ratio vs Oil & Gas Industry

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

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


SHSE:601808
75GF Score
China Oilfield Services Ltd SHSE:601808
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

China Oilfield Services 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.

China Oilfield Services's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=12.85/8.53
=1.51

* 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.

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

For example, China Oilfield Services'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)
=9.915/116.0564*116.0564
=9.915

Current CPI (Jun. 2026) = 116.0564.

China Oilfield Services Quarterly Data

Book Value per Share CPI Adj_Book
201609 7.845 102.400 8.891
201612 7.378 102.600 8.346
201703 7.263 103.200 8.168
201706 7.208 103.100 8.114
201709 7.224 104.100 8.054
201712 7.243 104.500 8.044
201803 7.064 105.300 7.786
201806 7.118 104.900 7.875
201809 7.165 106.600 7.801
201812 7.235 106.500 7.884
201903 7.232 107.700 7.793
201906 7.359 107.700 7.930
201909 7.632 109.800 8.067
201912 7.699 111.200 8.035
202003 7.950 112.300 8.216
202006 7.904 110.400 8.309
202009 7.975 111.700 8.286
202012 8.071 111.500 8.401
202103 8.111 112.662 8.355
202106 8.070 111.769 8.380
202109 8.206 112.215 8.487
202112 7.971 113.108 8.179
202203 8.037 114.335 8.158
202206 8.024 114.558 8.129
202209 8.193 115.339 8.244
202212 8.259 115.116 8.326
202303 8.345 115.116 8.413
202306 8.365 114.558 8.474
202309 8.572 115.339 8.625
202312 8.727 114.781 8.824
202403 8.871 115.227 8.935
202406 8.862 114.781 8.960
202409 9.054 115.785 9.075
202412 9.179 114.893 9.272
202503 9.369 115.116 9.446
202506 9.368 114.907 9.462
202509 9.635 115.471 9.684
202512 9.760 115.832 9.779
202603 9.957 116.303 9.936
202606 9.915 116.056 9.915

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 1.51 mean?
China Oilfield Services (SHSE:601808) has a Cyclically Adjusted PB Ratio of 1.51 as of Aug. 29, 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 China Oilfield Services and its competitors. This is near median its historical median of 1.63. Over the past decade, China Oilfield Services' Cyclically Adjusted PB Ratio has ranged from 1.05 to 2.28. According to the industry distribution chart, China Oilfield Services ranks #450 out of 752 companies in the Oil & Gas industry, placing it in the top 59.8%.
Is China Oilfield Services' Cyclically Adjusted PB Ratio too high?
China Oilfield Services' current Cyclically Adjusted PB Ratio of 1.51 is near median its 10-year median of 1.63. Over the past 10 years, this metric has ranged from a low of 1.05 to a high of 2.28. The Oil & Gas industry median Cyclically Adjusted PB Ratio is 1.20. China Oilfield Services' value of 1.51 is 25.8% above this industry median. Based on the distribution chart, China Oilfield Services ranks #450 out of 752 companies in the Oil & Gas industry, which is below the industry midpoint. Overall, China Oilfield Services has a GF Score™ of 75/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does China Oilfield Services' Cyclically Adjusted PB Ratio compare to SLB and BKR?
According to the Oil & Gas industry distribution chart, China Oilfield Services ranks #450 out of 752 companies for Cyclically Adjusted PB Ratio. This places China Oilfield Services in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.20. China Oilfield Services' value of 1.51 is 25.8% above this benchmark. Historically, China Oilfield Services' own Cyclically Adjusted PB Ratio has ranged from 1.05 to 2.28 over the past decade. While the company's 10-year median is 1.63 vs. the industry median of 1.20, China Oilfield Services 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 1.20, based on 752 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. China Oilfield Services's current Cyclically Adjusted PB Ratio of 1.51 is 25.8% 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 China Oilfield Services and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PB Ratio is 1.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. China Oilfield Services's current Cyclically Adjusted PB Ratio is 1.51, which is near median its own 10-year median of 1.63. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is China Oilfield Services stock overvalued right now?
Based on GuruFocus' analysis, China Oilfield Services (SHSE:601808) is currently considered Modestly Undervalued. The stock's GF Value™ is ¥16.01, compared to a current price of ¥12.85 — trading 19.7% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.51, which is near median its 10-year median of 1.63 and 25.8% above the Oil & Gas industry median of 1.20. China Oilfield Services' overall GF Score™ is 75/100 with 4 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 China Oilfield Services (SHSE:601808), the current Cyclically Adjusted PB Ratio is 1.51 as of Aug. 29, 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 China Oilfield Services (SHSE:601808) Overvalued in 2026?

Based on GuruFocus' analysis, China Oilfield Services stock appears to be undervalued. The current stock price of ¥12.85 is trading 19.7% below its estimated GF Value™ of ¥16.01. GuruFocus considers China Oilfield Services to be Modestly Undervalued.

Key valuation signals for SHSE:601808:

  • Cyclically Adjusted PB Ratio: 1.51 (near median its 10-year median of 1.63)
  • GF Value™: ¥16.01 vs. price of ¥12.85 (19.7% below fair value)
  • GF Score™: 75/100 with 4 warning signs
  • Industry Position: 25.8% above the Oil & Gas median (#450 of 752)

No single metric tells the full story. See the SHSE:601808 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


China Oilfield Services Business Description

Industry EnergyOil & Gas
Address 201 Haiyou Avenue, Yanjiao Economic & Technological Development Zone, Hebei Province, Sanhe City, CHN, 065201
China Oilfield Services Ltd is engaged in the provision of oilfield services including drilling services, well services, marine support services, and geophysical acquisition and surveying services. It operates in four segments namely the drilling services segment offers oilfield drilling services, the well services segment offers logging and downhole services, the marine support services segment is engaged in the transportation of materials, supplies, and personnel to offshore facilities, moving and positioning drilling structures, and the geophysical acquisition and surveying services segment is engaged in the provision of offshore seismic data acquisition and marine surveying. It generates the majority of its revenue from Well services segment.
75GF Score

Get the complete analysis for SHSE:601808

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

¥12.85
Price
¥16.01
GF Value