GRSFF (Greencastle Resources) Cyclically Adjusted PB Ratio: 0.24 (As of Jul. 29, 2026) — 49% Below Median

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What is Greencastle Resources Cyclically Adjusted PB Ratio?

Greencastle Resources GRSFF Cyclically Adjusted PB Ratio is 0.24 as of Jul. 29, 2026, which is 49% below its 10-year median of 0.47. The stock has 6 warning signs investors should review. Among 765 Oil & Gas companies, Greencastle Resources ranks better than 92.42% on this metric.

As of today (2026-07-29), Greencastle Resources's current share price is $0.0072. Greencastle Resources's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $0.03. Greencastle Resources's Cyclically Adjusted PB Ratio for today is 0.24.

The historical rank and industry rank for Greencastle Resources's Cyclically Adjusted PB Ratio or its related term are showing as below:

GRSFF' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.12   Med: 0.47   Max: 1.65
Current: 0.12

During the past years, Greencastle Resources's highest Cyclically Adjusted PB Ratio was 1.65. The lowest was 0.12. And the median was 0.47.

GRSFF's Cyclically Adjusted PB Ratio is ranked better than
92.42% of 765 companies
in the Oil & Gas industry
Industry Median: 1.2 vs GRSFF: 0.12

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.

Greencastle Resources's adjusted book value per share data for the three months ended in Mar. 2026 was $0.026. 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 $0.03 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Greencastle Resources  (OTCPK:GRSFF) 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.


Greencastle Resources Cyclically Adjusted PB Ratio Related Terms


Greencastle Resources Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Greencastle Resources'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.

Greencastle Resources Cyclically Adjusted PB Ratio Chart

Greencastle Resources 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 0.77 0.40 0.26 0.21 0.21

Greencastle Resources 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 0.21 0.21 0.24 0.21 0.21

GRSFF vs COP, EOG, FANG: Cyclically Adjusted PB Ratio Comparison

For the Oil & Gas E&P subindustry, Greencastle Resources'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.


Greencastle Resources Cyclically Adjusted PB Ratio vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Greencastle Resources's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Greencastle Resources's Cyclically Adjusted PB Ratio falls into.



Greencastle Resources 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.

Greencastle Resources's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=0.0072/0.03
=0.24

* 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.

Greencastle Resources's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Greencastle Resources'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)
=0.026/132.2623*132.2623
=0.026

Current CPI (Mar. 2026) = 132.2623.

Greencastle Resources Quarterly Data

Book Value per Share CPI Adj_Book
201606 0.072 102.002 0.093
201609 0.077 101.765 0.100
201612 0.067 101.449 0.087
201703 0.060 102.634 0.077
201706 0.067 103.029 0.086
201709 0.071 103.345 0.091
201712 0.117 103.345 0.150
201803 0.109 105.004 0.137
201806 0.104 105.557 0.130
201809 0.108 105.636 0.135
201812 0.095 105.399 0.119
201903 0.093 106.979 0.115
201906 0.091 107.690 0.112
201909 0.086 107.611 0.106
201912 0.086 107.769 0.106
202003 0.068 107.927 0.083
202006 0.082 108.401 0.100
202009 0.083 108.164 0.101
202012 0.152 108.559 0.185
202103 0.220 110.298 0.264
202106 0.253 111.720 0.300
202109 0.220 112.905 0.258
202112 0.230 113.774 0.267
202203 0.202 117.646 0.227
202206 0.202 120.806 0.221
202209 0.154 120.648 0.169
202212 0.158 120.964 0.173
202303 0.175 122.702 0.189
202306 0.190 124.203 0.202
202309 0.109 125.230 0.115
202312 0.090 125.072 0.095
202403 0.093 126.258 0.097
202406 0.050 127.522 0.052
202409 0.054 127.285 0.056
202412 0.052 127.364 0.054
202503 0.046 129.181 0.047
202506 0.048 129.892 0.049
202509 0.057 130.287 0.058
202512 0.031 130.366 0.031
202603 0.026 132.262 0.026

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 0.24 mean?
Greencastle Resources (GRSFF) has a Cyclically Adjusted PB Ratio of 0.24 as of Jul. 29, 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 Greencastle Resources and its competitors. This is 49% below median its historical median of 0.47. Over the past decade, Greencastle Resources' Cyclically Adjusted PB Ratio has ranged from 0.12 to 1.65. According to the industry distribution chart, Greencastle Resources ranks #58 out of 765 companies in the Oil & Gas industry, placing it in the top 7.6%.
Is Greencastle Resources' Cyclically Adjusted PB Ratio too high?
Greencastle Resources' current Cyclically Adjusted PB Ratio of 0.24 is 49% below median its 10-year median of 0.47. Over the past 10 years, this metric has ranged from a low of 0.12 to a high of 1.65. The Oil & Gas industry median Cyclically Adjusted PB Ratio is 1.20. Greencastle Resources' value of 0.24 is 80% below this industry median. Based on the distribution chart, Greencastle Resources ranks #58 out of 765 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers.
How does Greencastle Resources' Cyclically Adjusted PB Ratio compare to COP and EOG?
According to the Oil & Gas industry distribution chart, Greencastle Resources ranks #58 out of 765 companies for Cyclically Adjusted PB Ratio. This places Greencastle Resources in the top 8% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.20. Greencastle Resources' value of 0.24 is 80% below this benchmark. Historically, Greencastle Resources' own Cyclically Adjusted PB Ratio has ranged from 0.12 to 1.65 over the past decade. While the company's 10-year median is 0.47 vs. the industry median of 1.20, Greencastle Resources 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 an Oil & Gas company?
The median Cyclically Adjusted PB Ratio among Oil & Gas companies is 1.20, based on 765 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. Greencastle Resources's current Cyclically Adjusted PB Ratio of 0.24 is 80% 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 Greencastle Resources and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PB Ratio is 1.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Greencastle Resources's current Cyclically Adjusted PB Ratio is 0.24, which is 49% below median its own 10-year median of 0.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Greencastle Resources stock overvalued right now?
Greencastle Resources (GRSFF) has a current Cyclically Adjusted PB Ratio of 0.24. The stock's GF Value™ is $0.01, compared to a current price of $0.01 — trading 28% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.24, which is 49% below median its 10-year median of 0.47 and 80% below the Oil & Gas industry median of 1.20. 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 Greencastle Resources (GRSFF), the current Cyclically Adjusted PB Ratio is 0.24 as of Jul. 29, 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.

Greencastle Resources Business Description

Industry EnergyOil & Gas
Other Exchanges VGN:Canada
Address 82 Richmond Street East, Suite 200, The Canadian Venture Building, Toronto, ON, CAN, M5C 1P1
Greencastle Resources Ltd is a diversified company with interests in gold and base metals exploration and oil and gas exploration and royalties, as well as in strategic and non-strategic investments in other companies that are traded on the North American exchanges. The company's reportable segments include Investments in Private and Public companies, Oil and Gas Interests, Mining Interests. Its investment segment comprises its investment in marketable securities and investment in private and public companies. The oil and gas segment comprises its oil and gas interests. The mining segment comprises its mining interests in Canada and in the USA.