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National Gypsum CoSAU:2090 -1.60%61 Cyclically Adjusted PB Ratio is 0.84 as of Aug. 31, 2026, which is 36% below its 10-year median of 1.32. GuruFocus rates SAU:2090 with a GF Score™ of 61/100 and a GF Value™ of ﷼24.09 (Possible Value Trap). The stock has 2 warning signs investors should review. Among 285 Building Materials companies, National Gypsum Co ranks better than 54.39% on this metric.
The historical rank and industry rank for National Gypsum Co's Cyclically Adjusted PB Ratio or its related term are showing as below:
SAU:2090'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.82 Med: 1.32 Max: 1.74
Current: 0.85
During the past years, National Gypsum Co's highest Cyclically Adjusted PB Ratio was 1.74. The lowest was 0.82. And the median was 1.32.
SAU:2090's Cyclically Adjusted PB Ratio is ranked better than 54.39% of 285
companies
in the Building Materials industry
Industry Median: 0.97
vs SAU:2090: 0.85
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.
National Gypsum Co's adjusted book value per share data for the three months ended in Mar. 2026 was ﷼17.571. 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 ﷼16.12 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
National Gypsum Co (SAU:2090) 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.
National Gypsum Co Cyclically Adjusted PB Ratio Related Terms
National Gypsum Co Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for National Gypsum Co'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.
National Gypsum Co Cyclically Adjusted PB Ratio Chart
SAU:2090 vs CRH, MLM, VMC: Cyclically Adjusted PB Ratio Comparison
For the Building Materials subindustry, National Gypsum Co'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.
National Gypsum Co Cyclically Adjusted PB Ratio vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, National Gypsum Co's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where National Gypsum Co's Cyclically Adjusted PB Ratio falls into.
National Gypsum Co 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.
National Gypsum Co's Cyclically Adjusted PB Ratio for today is calculated as
* 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 0.84 mean?
National Gypsum Co (SAU:2090) has a Cyclically Adjusted PB Ratio of 0.84 as of Aug. 31, 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 National Gypsum Co and its competitors. This is 36% below median its historical median of 1.32. Over the past decade, National Gypsum Co's Cyclically Adjusted PB Ratio has ranged from 0.82 to 1.74. According to the industry distribution chart, National Gypsum Co ranks #130 out of 285 companies in the Building Materials industry, placing it in the top 45.6%.
Is National Gypsum Co's Cyclically Adjusted PB Ratio too high?
National Gypsum Co's current Cyclically Adjusted PB Ratio of 0.84 is 36% below median its 10-year median of 1.32. Over the past 10 years, this metric has ranged from a low of 0.82 to a high of 1.74. The Building Materials industry median Cyclically Adjusted PB Ratio is 0.97. National Gypsum Co's value of 0.84 is 13.4% below this industry median. Based on the distribution chart, National Gypsum Co ranks #130 out of 285 companies in the Building Materials industry, which is above the industry midpoint. Overall, National Gypsum Co has a GF Score™ of 61/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does National Gypsum Co's Cyclically Adjusted PB Ratio compare to CRH and MLM?
According to the Building Materials industry distribution chart, National Gypsum Co ranks #130 out of 285 companies for Cyclically Adjusted PB Ratio. This puts National Gypsum Co in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 0.97. National Gypsum Co's value of 0.84 is 13.4% below this benchmark. Historically, National Gypsum Co's own Cyclically Adjusted PB Ratio has ranged from 0.82 to 1.74 over the past decade. While the company's 10-year median is 1.32 vs. the industry median of 0.97, National Gypsum Co 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 Building Materials company?
The median Cyclically Adjusted PB Ratio among Building Materials companies is 0.97, based on 285 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. National Gypsum Co's current Cyclically Adjusted PB Ratio of 0.84 is 13.4% 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 National Gypsum Co and its competitors. For the Building Materials industry, the median Cyclically Adjusted PB Ratio is 0.97 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. National Gypsum Co's current Cyclically Adjusted PB Ratio is 0.84, which is 36% below median its own 10-year median of 1.32. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is National Gypsum Co stock overvalued right now?
Based on GuruFocus' analysis, National Gypsum Co (SAU:2090) is currently considered Possible Value Trap. The stock's GF Value™ is ﷼24.09, compared to a current price of ﷼13.50 — trading 44% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.84, which is 36% below median its 10-year median of 1.32 and 13.4% below the Building Materials industry median of 0.97. National Gypsum Co's overall GF Score™ is 61/100 with 2 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 National Gypsum Co (SAU:2090), the current Cyclically Adjusted PB Ratio is 0.84 as of Aug. 31, 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 National Gypsum Co (SAU:2090) Overvalued in 2026?
Based on GuruFocus' analysis, National Gypsum Co stock appears to be undervalued.
The current stock price of ﷼13.50 is trading 44% below its estimated GF Value™ of ﷼24.09.
GuruFocus considers National Gypsum Co to be Possible Value Trap.
Key valuation signals for SAU:2090:
Cyclically Adjusted PB Ratio: 0.84 (36% below median its 10-year median of 1.32)
GF Value™: ﷼24.09 vs. price of ﷼13.50 (44% below fair value)
Industry Position: 13.4% below the Building Materials median (#130 of 285)
No single metric tells the full story. See the SAU:2090 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
National Gypsum Co is engaged in the manufacture and production of gypsum and its derivatives extracted from concession areas, trading in gypsum and its derivatives, the production of various materials that can be extracted from gypsum mechanically and chemically, and carrying out all the necessary work to achieve its purpose. The company has concession rights for raw stone in three concession areas (quarries) in the cities of Riyadh, Dammam, and Yanbu. Its products include Plastering gypsum, Splash powder, Machine-sprayed gypsum, Adhesive plaster, Agricultural gypsum, and New gypsum products, including ceramic gypsum, medical gypsum, glue gypsum, molding gypsum, solid gypsum for facades, fast-setting gypsum, and high-resistance gypsum. It operates in a single segment.
61GF Score
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