Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Sinopec Oilfield ServiceFRA:YIZH -2.34%73 Cyclically Adjusted PB Ratio is 6.25 as of Sep. 20, 2026, which is 199% above its 10-year median of 2.09. GuruFocus rates FRA:YIZH with a GF Score™ of 73/100 and a GF Value™ of €0.05 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 754 Oil & Gas companies, Sinopec Oilfield Service ranks worse than 91.64% on this metric.
The historical rank and industry rank for Sinopec Oilfield Service's Cyclically Adjusted PB Ratio or its related term are showing as below:
FRA:YIZH'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.29 Med: 2.09 Max: 7.49
Current: 5.16
During the past 13 years, Sinopec Oilfield Service's highest Cyclically Adjusted PB Ratio was 7.49. The lowest was 1.29. And the median was 2.09.
FRA:YIZH's Cyclically Adjusted PB Ratio is ranked worse than 91.64% of 754
companies
in the Oil & Gas industry
Industry Median: 1.265
vs FRA:YIZH: 5.16
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.
Sinopec Oilfield Service's adjusted book value per share data of for the fiscal year that ended in Dec25 was €0.060. 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 €0.01 for the trailing ten years ended in Dec25.
Shiller PE for Stocks: The True Measure of Stock Valuation
Sinopec Oilfield Service (FRA:YIZH) 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.
Sinopec Oilfield Service Cyclically Adjusted PB Ratio Related Terms
Sinopec Oilfield Service Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Sinopec Oilfield Service'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.
Sinopec Oilfield Service Cyclically Adjusted PB Ratio Chart
FRA:YIZH vs NE, RIG, VAL: Cyclically Adjusted PB Ratio Comparison
For the Oil & Gas Drilling subindustry, Sinopec Oilfield Service'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.
Sinopec Oilfield Service Cyclically Adjusted PB Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Sinopec Oilfield Service's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Sinopec Oilfield Service's Cyclically Adjusted PB Ratio falls into.
Sinopec Oilfield Service 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.
* 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.
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 6.25 mean?
Sinopec Oilfield Service (FRA:YIZH) has a Cyclically Adjusted PB Ratio of 6.25 as of Sep. 20, 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 Sinopec Oilfield Service and its competitors. This is 199% above median its historical median of 2.09. Over the past decade, Sinopec Oilfield Service's Cyclically Adjusted PB Ratio has ranged from 1.29 to 7.49. According to the industry distribution chart, Sinopec Oilfield Service ranks #691 out of 754 companies in the Oil & Gas industry, placing it in the top 91.6%.
Is Sinopec Oilfield Service's Cyclically Adjusted PB Ratio too high?
Sinopec Oilfield Service's current Cyclically Adjusted PB Ratio of 6.25 is 199% above median its 10-year median of 2.09. Over the past 10 years, this metric has ranged from a low of 1.29 to a high of 7.49. The Oil & Gas industry median Cyclically Adjusted PB Ratio is 1.27. Sinopec Oilfield Service's value of 6.25 is 394.1% above this industry median. Based on the distribution chart, Sinopec Oilfield Service ranks #691 out of 754 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Sinopec Oilfield Service has a GF Score™ of 73/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sinopec Oilfield Service's Cyclically Adjusted PB Ratio compare to NE and RIG?
According to the Oil & Gas industry distribution chart, Sinopec Oilfield Service ranks #691 out of 754 companies for Cyclically Adjusted PB Ratio. This places Sinopec Oilfield Service in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.27. Sinopec Oilfield Service's value of 6.25 is 394.1% above this benchmark. Historically, Sinopec Oilfield Service's own Cyclically Adjusted PB Ratio has ranged from 1.29 to 7.49 over the past decade. While the company's 10-year median is 2.09 vs. the industry median of 1.27, Sinopec Oilfield Service 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 1.27, based on 754 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. Sinopec Oilfield Service's current Cyclically Adjusted PB Ratio of 6.25 is 394.1% 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 Sinopec Oilfield Service and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PB Ratio is 1.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sinopec Oilfield Service's current Cyclically Adjusted PB Ratio is 6.25, which is 199% above median its own 10-year median of 2.09. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sinopec Oilfield Service stock overvalued right now?
Based on GuruFocus' analysis, Sinopec Oilfield Service (FRA:YIZH) is currently considered Modestly Overvalued. The stock's GF Value™ is €0.05, compared to a current price of €0.06 — trading 25% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 6.25, which is 199% above median its 10-year median of 2.09 and 394.1% above the Oil & Gas industry median of 1.27. Sinopec Oilfield Service's overall GF Score™ is 73/100 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 Sinopec Oilfield Service (FRA:YIZH), the current Cyclically Adjusted PB Ratio is 6.25 as of Sep. 20, 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 Sinopec Oilfield Service (FRA:YIZH) Overvalued in 2026?
Based on GuruFocus' analysis, Sinopec Oilfield Service stock appears to be overvalued.
The current stock price of €0.06 is trading 25% above its estimated GF Value™ of €0.05.
GuruFocus considers Sinopec Oilfield Service to be Modestly Overvalued.
Key valuation signals for FRA:YIZH:
Cyclically Adjusted PB Ratio: 6.25 (199% above median its 10-year median of 2.09)
GF Value™: €0.05 vs. price of €0.06 (25% above fair value)
Industry Position: 394.1% above the Oil & Gas median (#691 of 754)
No single metric tells the full story. See the FRA:YIZH stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Sinopec Oilfield Service Corp engages in the provision of onshore and offshore oil and natural gas, exploration, provision of contracting, design, and construction services for the oil and gas projects. It operates through five segments: Geophysics, which provides technical and development, exploration geophysical services; Drilling engineering segment, which provides drilling design, and construction, technical services; Logging and mud logging segment; Special downhole segment, which provides oil engineering technical and construction services; and Engineering construction segment, which provides a package of services, including feasibility studies, procurement, and others. Its geographical segments are, The PRC, Middle East and Other countries.
73GF Score
Get the complete analysis for FRA:YIZH
Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
FRA:YIZH has been successfully added to your 
