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.
Grand Pacific PetrochemicalTPE:1312 -2.45%58 Cyclically Adjusted PB Ratio is 0.37 as of Aug. 07, 2026, which is 47% below its 10-year median of 0.70. GuruFocus rates TPE:1312 with a GF Score™ of 58/100 and a GF Value™ of NT$17.17 (Possible Value Trap). The stock has 5 warning signs investors should review. Among 1,236 Chemicals companies, Grand Pacific Petrochemical ranks better than 92.8% on this metric.
The historical rank and industry rank for Grand Pacific Petrochemical's Cyclically Adjusted PB Ratio or its related term are showing as below:
TPE:1312'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.29 Med: 0.7 Max: 1.54
Current: 0.37
During the past years, Grand Pacific Petrochemical's highest Cyclically Adjusted PB Ratio was 1.54. The lowest was 0.29. And the median was 0.70.
TPE:1312's Cyclically Adjusted PB Ratio is ranked better than 92.8% of 1236
companies
in the Chemicals industry
Industry Median: 1.61
vs TPE:1312: 0.37
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.
Grand Pacific Petrochemical's adjusted book value per share data for the three months ended in Dec. 2025 was NT$25.484. 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 NT$31.90 for the trailing ten years ended in Dec. 2025.
Shiller PE for Stocks: The True Measure of Stock Valuation
Grand Pacific Petrochemical (TPE:1312) 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.
Grand Pacific Petrochemical Cyclically Adjusted PB Ratio Related Terms
Grand Pacific Petrochemical Cyclically Adjusted PB Ratio Historical Data
* 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.
Grand Pacific Petrochemical Cyclically Adjusted PB Ratio Chart
TPE:1312 vs DOW: Cyclically Adjusted PB Ratio Comparison
For the Chemicals subindustry, Grand Pacific Petrochemical'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.
Grand Pacific Petrochemical Cyclically Adjusted PB Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Grand Pacific Petrochemical's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Grand Pacific Petrochemical's Cyclically Adjusted PB Ratio falls into.
Grand Pacific Petrochemical 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 0.37 mean?
Grand Pacific Petrochemical (TPE:1312) has a Cyclically Adjusted PB Ratio of 0.37 as of Aug. 07, 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 Grand Pacific Petrochemical and its competitors. This is 47% below median its historical median of 0.70. Over the past decade, Grand Pacific Petrochemical's Cyclically Adjusted PB Ratio has ranged from 0.29 to 1.54. According to the industry distribution chart, Grand Pacific Petrochemical ranks #89 out of 1236 companies in the Chemicals industry, placing it in the top 7.2%.
Is Grand Pacific Petrochemical's Cyclically Adjusted PB Ratio too high?
Grand Pacific Petrochemical's current Cyclically Adjusted PB Ratio of 0.37 is 47% below median its 10-year median of 0.70. Over the past 10 years, this metric has ranged from a low of 0.29 to a high of 1.54. The Chemicals industry median Cyclically Adjusted PB Ratio is 1.61. Grand Pacific Petrochemical's value of 0.37 is 77% below this industry median. Based on the distribution chart, Grand Pacific Petrochemical ranks #89 out of 1236 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers. Overall, Grand Pacific Petrochemical has a GF Score™ of 58/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Grand Pacific Petrochemical's Cyclically Adjusted PB Ratio compare to DOW?
According to the Chemicals industry distribution chart, Grand Pacific Petrochemical ranks #89 out of 1236 companies for Cyclically Adjusted PB Ratio. This places Grand Pacific Petrochemical in the top 7% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.61. Grand Pacific Petrochemical's value of 0.37 is 77% below this benchmark. Historically, Grand Pacific Petrochemical's own Cyclically Adjusted PB Ratio has ranged from 0.29 to 1.54 over the past decade. While the company's 10-year median is 0.70 vs. the industry median of 1.61, Grand Pacific Petrochemical has consistently been below 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 a Chemicals company?
The median Cyclically Adjusted PB Ratio among Chemicals companies is 1.61, based on 1,236 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. Grand Pacific Petrochemical's current Cyclically Adjusted PB Ratio of 0.37 is 77% below 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 Grand Pacific Petrochemical and its competitors. For the Chemicals industry, the median Cyclically Adjusted PB Ratio is 1.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Grand Pacific Petrochemical's current Cyclically Adjusted PB Ratio is 0.37, which is 47% below median its own 10-year median of 0.70. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Grand Pacific Petrochemical stock overvalued right now?
Based on GuruFocus' analysis, Grand Pacific Petrochemical (TPE:1312) is currently considered Possible Value Trap. The stock's GF Value™ is NT$17.17, compared to a current price of NT$11.95 — trading 30.4% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.37, which is 47% below median its 10-year median of 0.70 and 77% below the Chemicals industry median of 1.61. Grand Pacific Petrochemical's overall GF Score™ is 58/100 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 Grand Pacific Petrochemical (TPE:1312), the current Cyclically Adjusted PB Ratio is 0.37 as of Aug. 07, 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 Grand Pacific Petrochemical (TPE:1312) Overvalued in 2026?
Based on GuruFocus' analysis, Grand Pacific Petrochemical stock appears to be undervalued.
The current stock price of NT$11.95 is trading 30.4% below its estimated GF Value™ of NT$17.17.
GuruFocus considers Grand Pacific Petrochemical to be Possible Value Trap.
Key valuation signals for TPE:1312:
Cyclically Adjusted PB Ratio: 0.37 (47% below median its 10-year median of 0.70)
GF Value™: NT$17.17 vs. price of NT$11.95 (30.4% below fair value)
Industry Position: 77% below the Chemicals median (#89 of 1236)
No single metric tells the full story. See the TPE:1312 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Grand Pacific Petrochemical Corp is engaged in manufacturing of Petrochemical, Synthetic Resin & Plastic, Other Chemical Products, and Steam Electricity Paragenesis, Heat Energy Supplying and international trade. Its segments are Petrochemistry Department responsible for the manufacture, processing, and trading of petrochemical raw materials and related products; Digital Media Department responsible for TV program production, cable TV program import/export agency distribution, various advertising agencies and their planning and production business, as well as ecommerce, to create new business value through content integration; Packaging Materials Department responsible for the manufacturing, processing, and trading of various packaging materials, such as trademark paper and release paper.
58GF Score
Get the complete analysis for TPE:1312
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
TPE:1312 has been successfully added to your 
