Inter-Rock Minerals (TSXV:IRO) Cyclically Adjusted PB Ratio: 2.41 (As of Jul. 28, 2026) — Near Median

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TSXV:IRO Inter-Rock Minerals Inc TSXV:IRO
68 GF Score
Price C$1.23
GF Value C$0.86
Valuation Significantly Overvalued
! 6 Warning Signs
View Full Analysis

What is Inter-Rock Minerals Cyclically Adjusted PB Ratio?

Inter-Rock Minerals TSXV:IRO 68 Cyclically Adjusted PB Ratio is 2.41 as of Jul. 28, 2026, which is 4% below its 10-year median of 2.50. GuruFocus rates TSXV:IRO with a GF Score™ of 68/100 and a GF Value™ of C$0.86 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 1,439 Consumer Packaged Goods companies, Inter-Rock Minerals ranks worse than 73.73% on this metric.

As of today (2026-07-28), Inter-Rock Minerals's current share price is C$1.23. Inter-Rock Minerals's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was C$0.51. Inter-Rock Minerals's Cyclically Adjusted PB Ratio for today is 2.41.

The historical rank and industry rank for Inter-Rock Minerals's Cyclically Adjusted PB Ratio or its related term are showing as below:

TSXV:IRO' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.38   Med: 2.5   Max: 6.06
Current: 2.42

During the past years, Inter-Rock Minerals's highest Cyclically Adjusted PB Ratio was 6.06. The lowest was 0.38. And the median was 2.50.

TSXV:IRO's Cyclically Adjusted PB Ratio is ranked worse than
73.73% of 1439 companies
in the Consumer Packaged Goods industry
Industry Median: 1.25 vs TSXV:IRO: 2.42

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.

Inter-Rock Minerals's adjusted book value per share data for the three months ended in Mar. 2026 was C$0.980. 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 C$0.51 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Inter-Rock Minerals  (TSXV:IRO) 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.


Inter-Rock Minerals Cyclically Adjusted PB Ratio Related Terms


Inter-Rock Minerals Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Inter-Rock Minerals'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.

Inter-Rock Minerals Cyclically Adjusted PB Ratio Chart

Inter-Rock Minerals 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 2.60 2.49 2.33 2.36 2.41

Inter-Rock Minerals 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 1.96 1.65 2.51 2.41 2.19

TSXV:IRO vs KHC, GIS: Cyclically Adjusted PB Ratio Comparison

For the Packaged Foods subindustry, Inter-Rock Minerals'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.


Inter-Rock Minerals Cyclically Adjusted PB Ratio vs Consumer Packaged Goods Industry

For the Consumer Packaged Goods industry and Consumer Defensive sector, Inter-Rock Minerals's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Inter-Rock Minerals's Cyclically Adjusted PB Ratio falls into.


TSXV:IRO
68GF Score
Inter-Rock Minerals Inc TSXV:IRO
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Inter-Rock Minerals 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.

Inter-Rock Minerals's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=1.23/0.51
=2.41

* 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.

Inter-Rock Minerals's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Inter-Rock Minerals'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)
=0.98/132.2623*132.2623
=0.980

Current CPI (Mar. 2026) = 132.2623.

Inter-Rock Minerals Quarterly Data

Book Value per Share CPI Adj_Book
201606 0.034 102.002 0.044
201609 0.056 101.765 0.073
201612 0.072 101.449 0.094
201703 0.093 102.634 0.120
201706 0.148 103.029 0.190
201709 0.181 103.345 0.232
201712 0.171 103.345 0.219
201803 0.192 105.004 0.242
201806 0.215 105.557 0.269
201809 0.241 105.636 0.302
201812 0.239 105.399 0.300
201903 0.230 106.979 0.284
201906 0.256 107.690 0.314
201909 0.288 107.611 0.354
201912 0.324 107.769 0.398
202003 0.386 107.927 0.473
202006 0.370 108.401 0.451
202009 0.402 108.164 0.492
202012 0.418 108.559 0.509
202103 0.433 110.298 0.519
202106 0.457 111.720 0.541
202109 0.495 112.905 0.580
202112 0.492 113.774 0.572
202203 0.446 117.646 0.501
202206 0.473 120.806 0.518
202209 0.565 120.648 0.619
202212 0.557 120.964 0.609
202303 0.601 122.702 0.648
202306 0.602 124.203 0.641
202309 0.627 125.230 0.662
202312 0.656 125.072 0.694
202403 0.691 126.258 0.724
202406 0.756 127.522 0.784
202409 0.776 127.285 0.806
202412 0.810 127.364 0.841
202503 0.850 129.181 0.870
202506 0.877 129.892 0.893
202509 0.942 130.287 0.956
202512 0.959 130.366 0.973
202603 0.980 132.262 0.980

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 2.41 mean?
Inter-Rock Minerals (TSXV:IRO) has a Cyclically Adjusted PB Ratio of 2.41 as of Jul. 28, 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 Inter-Rock Minerals and its competitors. This is near median its historical median of 2.50. Over the past decade, Inter-Rock Minerals' Cyclically Adjusted PB Ratio has ranged from 0.38 to 6.06. According to the industry distribution chart, Inter-Rock Minerals ranks #1061 out of 1439 companies in the Consumer Packaged Goods industry, placing it in the top 73.7%.
Is Inter-Rock Minerals' Cyclically Adjusted PB Ratio too high?
Inter-Rock Minerals' current Cyclically Adjusted PB Ratio of 2.41 is near median its 10-year median of 2.50. Over the past 10 years, this metric has ranged from a low of 0.38 to a high of 6.06. The Consumer Packaged Goods industry median Cyclically Adjusted PB Ratio is 1.25. Inter-Rock Minerals' value of 2.41 is 92.8% above this industry median. Based on the distribution chart, Inter-Rock Minerals ranks #1061 out of 1439 companies in the Consumer Packaged Goods industry, which is below the industry midpoint. Overall, Inter-Rock Minerals has a GF Score™ of 68/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Inter-Rock Minerals' Cyclically Adjusted PB Ratio compare to KHC and GIS?
According to the Consumer Packaged Goods industry distribution chart, Inter-Rock Minerals ranks #1061 out of 1439 companies for Cyclically Adjusted PB Ratio. This places Inter-Rock Minerals in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.25. Inter-Rock Minerals' value of 2.41 is 92.8% above this benchmark. Historically, Inter-Rock Minerals' own Cyclically Adjusted PB Ratio has ranged from 0.38 to 6.06 over the past decade. While the company's 10-year median is 2.50 vs. the industry median of 1.25, Inter-Rock Minerals 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 a Consumer Packaged Goods company?
The median Cyclically Adjusted PB Ratio among Consumer Packaged Goods companies is 1.25, based on 1,439 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. Inter-Rock Minerals's current Cyclically Adjusted PB Ratio of 2.41 is 92.8% 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 Inter-Rock Minerals and its competitors. For the Consumer Packaged Goods industry, the median Cyclically Adjusted PB Ratio is 1.25 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Inter-Rock Minerals's current Cyclically Adjusted PB Ratio is 2.41, which is near median its own 10-year median of 2.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Inter-Rock Minerals stock overvalued right now?
Based on GuruFocus' analysis, Inter-Rock Minerals (TSXV:IRO) is currently considered Significantly Overvalued. The stock's GF Value™ is C$0.86, compared to a current price of C$1.23 — trading 43% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.41, which is near median its 10-year median of 2.50 and 92.8% above the Consumer Packaged Goods industry median of 1.25. Inter-Rock Minerals' overall GF Score™ is 68/100 with 6 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 Inter-Rock Minerals (TSXV:IRO), the current Cyclically Adjusted PB Ratio is 2.41 as of Jul. 28, 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 Inter-Rock Minerals (TSXV:IRO) Overvalued in 2026?

Based on GuruFocus' analysis, Inter-Rock Minerals stock appears to be overvalued. The current stock price of C$1.23 is trading 43% above its estimated GF Value™ of C$0.86. GuruFocus considers Inter-Rock Minerals to be Significantly Overvalued.

Key valuation signals for TSXV:IRO:

  • Cyclically Adjusted PB Ratio: 2.41 (near median its 10-year median of 2.50)
  • GF Value™: C$0.86 vs. price of C$1.23 (43% above fair value)
  • GF Score™: 68/100 with 6 warning signs
  • Industry Position: 92.8% above the Consumer Packaged Goods median (#1061 of 1439)

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


Inter-Rock Minerals Business Description

Other Exchanges IRCKF:USA
Address 67 Yonge Street, Suite 600, Toronto, ON, CAN, M5E 1J8
Inter-Rock Minerals Inc produces and markets dolomite for the animal feed, glass, roofing, and agricultural lime industries in the United States. It also markets and distributes specialty ingredients to the dairy feed industry. The company has two Business segments: Papillon Agricultural Company Inc. (Papillon) and MIN-AD, Inc. (MIN-AD). Papillon is a U.S.-based marketer and distributor of toll-manufactured premium dairy feed nutritional supplements, including MIN-AD's products. MIN-AD is engaged in the production and marketing of high-purity dolomite and clay, mainly to the animal feed industry in the United States.
68GF Score

Get the complete analysis for TSXV:IRO

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

C$1.23
Price
C$0.86
GF Value