Monarca Minerals (STU:OSI2) Cyclically Adjusted PB Ratio: 0.50 (As of Jul. 20, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

What is Monarca Minerals Cyclically Adjusted PB Ratio?

Monarca Minerals STU:OSI2 Cyclically Adjusted PB Ratio is 0.50 as of Jul. 20, 2026. The stock has 3 warning signs investors should review. Among 1,542 Metals & Mining companies, Monarca Minerals ranks better than 89.23% on this metric.

As of today (2026-07-20), Monarca Minerals's current share price is €0.005. Monarca Minerals's Cyclically Adjusted Book per Share for the quarter that ended in Aug. 2025 was €0.01. Monarca Minerals's Cyclically Adjusted PB Ratio for today is 0.50.

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

STU:OSI2' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0   Med: 0   Max: 0.18
Current: 0.18

During the past years, Monarca Minerals's highest Cyclically Adjusted PB Ratio was 0.18. The lowest was 0.00. And the median was 0.00.

STU:OSI2's Cyclically Adjusted PB Ratio is ranked better than
89.23% of 1542 companies
in the Metals & Mining industry
Industry Median: 1.375 vs STU:OSI2: 0.18

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.

Monarca Minerals's adjusted book value per share data for the three months ended in Aug. 2025 was €-0.029. 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 €0.01 for the trailing ten years ended in Aug. 2025.

Shiller PE for Stocks: The True Measure of Stock Valuation


Monarca Minerals  (STU:OSI2) 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.


Monarca Minerals Cyclically Adjusted PB Ratio Related Terms


Monarca Minerals Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Monarca 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.

Monarca Minerals Cyclically Adjusted PB Ratio Chart

Monarca Minerals Annual Data
Trend Nov15 Nov16 Nov17 Nov18 Nov19 Nov20 Nov21 Nov22 Nov23 Nov24
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.50 0.27 0.05 0.06 0.04

Monarca Minerals Quarterly Data
Nov20 Feb21 May21 Aug21 Nov21 Feb22 May22 Aug22 Nov22 Feb23 May23 Aug23 Nov23 Feb24 May24 Aug24 Nov24 Feb25 May25 Aug25
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 0.04 0.04 0.05 0.05 0.18

STU:OSI2 vs MINR, AUMN, SILS: Cyclically Adjusted PB Ratio Comparison

For the Other Precious Metals & Mining subindustry, Monarca 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.


Monarca Minerals Cyclically Adjusted PB Ratio vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Monarca Minerals's Cyclically Adjusted PB Ratio distribution charts can be found below:

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



Monarca 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.

Monarca Minerals's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=0.005/0.01
=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.

Monarca Minerals's Cyclically Adjusted Book per Share for the quarter that ended in Aug. 2025 is calculated as:

For example, Monarca Minerals's adjusted Book Value per Share data for the three months ended in Aug. 2025 was:

Adj_Book=Book Value per Share/CPI of Aug. 2025 (Change)*Current CPI (Aug. 2025)
=-0.029/130.2081*130.2081
=-0.029

Current CPI (Aug. 2025) = 130.2081.

Monarca Minerals Quarterly Data

Book Value per Share CPI Adj_Book
201511 0.207 100.421 0.268
201602 0.191 100.421 0.248
201605 0.199 101.765 0.255
201608 0.197 101.686 0.252
201611 0.202 101.607 0.259
201702 0.208 102.476 0.264
201705 0.160 103.108 0.202
201708 0.142 103.108 0.179
201711 -0.011 103.740 -0.014
201802 0.131 104.688 0.163
201805 0.133 105.399 0.164
201808 0.133 106.031 0.163
201811 -0.029 105.478 -0.036
201902 0.126 106.268 0.154
201905 0.124 107.927 0.150
201908 0.126 108.085 0.152
201911 -0.043 107.769 -0.052
202002 -0.045 108.559 -0.054
202005 -0.040 107.532 -0.048
202008 -0.002 108.243 -0.002
202011 -0.003 108.796 -0.004
202102 -0.003 109.745 -0.004
202105 -0.006 111.404 -0.007
202108 -0.008 112.668 -0.009
202111 -0.012 113.932 -0.014
202202 -0.014 115.986 -0.016
202205 -0.016 120.016 -0.017
202208 -0.018 120.569 -0.019
202211 -0.019 121.675 -0.020
202302 -0.019 122.070 -0.020
202305 -0.020 124.045 -0.021
202308 -0.021 125.389 -0.022
202311 -0.024 125.468 -0.025
202402 -0.024 125.468 -0.025
202405 -0.025 127.601 -0.026
202408 -0.026 127.838 -0.026
202411 -0.028 127.838 -0.029
202502 -0.029 128.786 -0.029
202505 -0.029 129.813 -0.029
202508 -0.029 130.208 -0.029

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?
Monarca Minerals (STU:OSI2) has a Cyclically Adjusted PB Ratio of 0.50 as of Jul. 20, 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 Monarca Minerals and its competitors. According to the industry distribution chart, Monarca Minerals ranks #166 out of 1542 companies in the Metals & Mining industry, placing it in the top 10.8%.
Is Monarca Minerals' Cyclically Adjusted PB Ratio too high?
Monarca Minerals' current Cyclically Adjusted PB Ratio is 0.50. The Metals & Mining industry median Cyclically Adjusted PB Ratio is 1.38. Monarca Minerals' value of 0.50 is 63.6% below this industry median. Based on the distribution chart, Monarca Minerals ranks #166 out of 1542 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers.
How does Monarca Minerals' Cyclically Adjusted PB Ratio compare to MINR and AUMN?
According to the Metals & Mining industry distribution chart, Monarca Minerals ranks #166 out of 1542 companies for Cyclically Adjusted PB Ratio. This places Monarca Minerals in the top 11% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.38. Monarca Minerals' value of 0.50 is 63.6% below this benchmark. 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 Metals & Mining company?
The median Cyclically Adjusted PB Ratio among Metals & Mining companies is 1.38, based on 1,542 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. Monarca Minerals's current Cyclically Adjusted PB Ratio of 0.50 is 63.6% 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 Monarca Minerals and its competitors. For the Metals & Mining industry, the median Cyclically Adjusted PB Ratio is 1.38 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Monarca Minerals's current Cyclically Adjusted PB Ratio is 0.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Monarca Minerals stock overvalued right now?
Monarca Minerals (STU:OSI2) has a current Cyclically Adjusted PB Ratio of 0.50. The current Cyclically Adjusted PB Ratio is 0.50 and 63.6% below the Metals & Mining industry median of 1.38. 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 Monarca Minerals (STU:OSI2), the current Cyclically Adjusted PB Ratio is 0.50 as of Jul. 20, 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.

Monarca Minerals Business Description

Other Exchanges ORAGF:USA
Address 18 King Street East Street, Suite 902, Toronto, ON, CAN, M5C 1C4
Monarca Minerals Inc is in the process of exploring and evaluating its exploration and evaluation property interests in Mexico. Its project portfolio includes Tejamen, San Lucas, San Jose, and El Sol. The primary focus of new work at Tejamen consists of follow-up core drilling. Outcrop sampling identified two parallel gold-silver zones, known as the El Doctor zone (Noche Buena). Several small mines exist on the El Sol concession. It is a historical mining area since the 1600s and is in the Avino Mining District.