Inoue Rubber (Thailand) PCL (BKK:IRC-R) Cyclically Adjusted PB Ratio: 0.50 (As of Jul. 24, 2026) — 38% Below Median

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BKK:IRC-R Inoue Rubber (Thailand) PCL BKK:IRC-R
73 GF Score
Price ฿11.20
GF Value ฿11.66
! 4 Warning Signs
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What is Inoue Rubber (Thailand) PCL Cyclically Adjusted PB Ratio?

Inoue Rubber (Thailand) PCL BKK:IRC-R 73 Cyclically Adjusted PB Ratio is 0.50 as of Jul. 24, 2026, which is 38% below its 10-year median of 0.81. GuruFocus rates BKK:IRC-R with a GF Score™ of 73/100 and a GF Value™ of ฿11.66. The stock has 4 warning signs investors should review. Among 1,028 Vehicles & Parts companies, Inoue Rubber (Thailand) PCL ranks better than 78.79% on this metric.

As of today (2026-07-24), Inoue Rubber (Thailand) PCL's current share price is ฿11.20. Inoue Rubber (Thailand) PCL's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was ฿22.36. Inoue Rubber (Thailand) PCL's Cyclically Adjusted PB Ratio for today is 0.50.

The historical rank and industry rank for Inoue Rubber (Thailand) PCL's Cyclically Adjusted PB Ratio or its related term are showing as below:

BKK:IRC-R' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.49   Med: 0.81   Max: 1.92
Current: 0.52

During the past years, Inoue Rubber (Thailand) PCL's highest Cyclically Adjusted PB Ratio was 1.92. The lowest was 0.49. And the median was 0.81.

BKK:IRC-R's Cyclically Adjusted PB Ratio is ranked better than
78.79% of 1028 companies
in the Vehicles & Parts industry
Industry Median: 1.27 vs BKK:IRC-R: 0.52

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.

Inoue Rubber (Thailand) PCL's adjusted book value per share data for the three months ended in Mar. 2026 was ฿21.766. 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 ฿22.36 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Inoue Rubber (Thailand) PCL  (BKK:IRC-R) 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.


Inoue Rubber (Thailand) PCL Cyclically Adjusted PB Ratio Related Terms


Inoue Rubber (Thailand) PCL Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Inoue Rubber (Thailand) PCL'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.

Inoue Rubber (Thailand) PCL Cyclically Adjusted PB Ratio Chart

Inoue Rubber (Thailand) PCL Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.00 0.75 0.66 0.66 0.51

Inoue Rubber (Thailand) PCL Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 0.52 0.49 0.51 0.53 0.50

BKK:IRC-R vs ORLY, AZO: Cyclically Adjusted PB Ratio Comparison

For the Auto Parts subindustry, Inoue Rubber (Thailand) PCL'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.


Inoue Rubber (Thailand) PCL Cyclically Adjusted PB Ratio vs Vehicles & Parts Industry

For the Vehicles & Parts industry and Consumer Cyclical sector, Inoue Rubber (Thailand) PCL's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Inoue Rubber (Thailand) PCL's Cyclically Adjusted PB Ratio falls into.


BKK:IRC-R
73GF Score
Inoue Rubber (Thailand) PCL BKK:IRC-R
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Inoue Rubber (Thailand) PCL 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.

Inoue Rubber (Thailand) PCL's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=11.20/22.36
=0.50

* 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.

Inoue Rubber (Thailand) PCL's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Inoue Rubber (Thailand) PCL's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=21.766/330.2130*330.2130
=21.766

Current CPI (Mar. 2026) = 330.2130.

Inoue Rubber (Thailand) PCL Quarterly Data

Book Value per Share CPI Adj_Book
201606 15.332 241.018 21.006
201609 16.004 241.428 21.889
201612 16.777 241.432 22.946
201703 16.263 243.801 22.027
201706 16.578 244.955 22.348
201709 17.084 246.819 22.856
201712 17.606 246.524 23.583
201803 17.287 249.554 22.874
201806 17.668 251.989 23.153
201809 17.981 252.439 23.521
201812 18.335 251.233 24.099
201903 17.692 254.202 22.982
201906 17.673 256.143 22.784
201909 17.905 256.759 23.027
201912 17.956 256.974 23.074
202003 18.157 258.115 23.229
202006 18.049 257.797 23.119
202009 18.464 260.280 23.425
202012 19.608 260.474 24.858
202103 19.743 264.877 24.613
202106 20.065 271.696 24.387
202109 20.262 274.310 24.391
202112 20.376 278.802 24.133
202203 19.351 287.504 22.226
202206 19.290 296.311 21.497
202209 19.937 296.808 22.181
202212 20.031 296.797 22.286
202303 20.071 301.836 21.958
202306 20.249 305.109 21.915
202309 20.443 307.789 21.932
202312 20.694 306.746 22.277
202403 20.757 312.332 21.945
202406 21.412 314.175 22.505
202409 21.710 315.301 22.737
202412 21.878 315.605 22.891
202503 21.158 319.799 21.847
202506 21.443 322.561 21.952
202509 21.516 324.800 21.875
202512 21.825 324.054 22.240
202603 21.766 330.213 21.766

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 0.50 mean?
Inoue Rubber (Thailand) PCL (BKK:IRC-R) has a Cyclically Adjusted PB Ratio of 0.50 as of Jul. 24, 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 Inoue Rubber (Thailand) PCL and its competitors. This is 38% below median its historical median of 0.81. Over the past decade, Inoue Rubber (Thailand) PCL's Cyclically Adjusted PB Ratio has ranged from 0.49 to 1.92. According to the industry distribution chart, Inoue Rubber (Thailand) PCL ranks #218 out of 1028 companies in the Vehicles & Parts industry, placing it in the top 21.2%.
Is Inoue Rubber (Thailand) PCL's Cyclically Adjusted PB Ratio too high?
Inoue Rubber (Thailand) PCL's current Cyclically Adjusted PB Ratio of 0.50 is 38% below median its 10-year median of 0.81. Over the past 10 years, this metric has ranged from a low of 0.49 to a high of 1.92. The Vehicles & Parts industry median Cyclically Adjusted PB Ratio is 1.27. Inoue Rubber (Thailand) PCL's value of 0.50 is 60.6% below this industry median. Based on the distribution chart, Inoue Rubber (Thailand) PCL ranks #218 out of 1028 companies in the Vehicles & Parts industry, which is in the top quartile — a strong position relative to peers. Overall, Inoue Rubber (Thailand) PCL has a GF Score™ of 73/100, reflecting its overall financial health beyond just this single metric.
How does Inoue Rubber (Thailand) PCL's Cyclically Adjusted PB Ratio compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Inoue Rubber (Thailand) PCL ranks #218 out of 1028 companies for Cyclically Adjusted PB Ratio. This places Inoue Rubber (Thailand) PCL in the top 21% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.27. Inoue Rubber (Thailand) PCL's value of 0.50 is 60.6% below this benchmark. Historically, Inoue Rubber (Thailand) PCL's own Cyclically Adjusted PB Ratio has ranged from 0.49 to 1.92 over the past decade. While the company's 10-year median is 0.81 vs. the industry median of 1.27, Inoue Rubber (Thailand) PCL 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 Vehicles & Parts company?
The median Cyclically Adjusted PB Ratio among Vehicles & Parts companies is 1.27, based on 1,028 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. Inoue Rubber (Thailand) PCL's current Cyclically Adjusted PB Ratio of 0.50 is 60.6% 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 Inoue Rubber (Thailand) PCL and its competitors. For the Vehicles & Parts 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. Inoue Rubber (Thailand) PCL's current Cyclically Adjusted PB Ratio is 0.50, which is 38% below median its own 10-year median of 0.81. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Inoue Rubber (Thailand) PCL stock overvalued right now?
Inoue Rubber (Thailand) PCL (BKK:IRC-R) has a current Cyclically Adjusted PB Ratio of 0.50. The stock's GF Value™ is ฿11.66, compared to a current price of ฿11.20 — trading 3.9% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.50, which is 38% below median its 10-year median of 0.81 and 60.6% below the Vehicles & Parts industry median of 1.27. Inoue Rubber (Thailand) PCL'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 Inoue Rubber (Thailand) PCL (BKK:IRC-R), the current Cyclically Adjusted PB Ratio is 0.50 as of Jul. 24, 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 Inoue Rubber (Thailand) PCL (BKK:IRC-R) Overvalued in 2026?

Based on GuruFocus' analysis, Inoue Rubber (Thailand) PCL stock appears to be undervalued. The current stock price of ฿11.20 is trading 3.9% below its estimated GF Value™ of ฿11.66.

Key valuation signals for BKK:IRC-R:

  • Cyclically Adjusted PB Ratio: 0.50 (38% below median its 10-year median of 0.81)
  • GF Value™: ฿11.66 vs. price of ฿11.20 (3.9% below fair value)
  • GF Score™: 73/100 with 4 warning signs
  • Industry Position: 60.6% below the Vehicles & Parts median (#218 of 1028)

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


Inoue Rubber (Thailand) PCL Business Description

Other Exchanges IRC:Thailand
Address No. 258, Soi Rangsit-Nakornnayok 49, Prachathipat Sub-district, Thanyaburi District, Pathumthani, THA, 12130
Inoue Rubber (Thailand) PCL is principally engaged in the manufacture and distribution of Automotive Elastomer Products, motorcycle tires, tubes, and industrial elastomer rubber parts. Geographically, it derives a majority of its revenue from Thailand. The company's reportable segments includes geographical areas that are Local and Export, out of which key revenue is generated from Local Segment. Its products involve Automotive Elastomer Products, Motorcycle Tires and Tubes and Industrial Elastomer Parts.
73GF Score

Get the complete analysis for BKK:IRC-R

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

฿11.20
Price
฿11.66
GF Value