FSM (Fortuna Mining) Cyclically Adjusted PB Ratio: 2.13 (As of Aug. 07, 2026) — 31% Above Median

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Director of Data and Quant Analytics at GuruFocus
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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.

FSM Fortuna Mining Corp FSM
92 GF Score
Price $9.56
GF Value $6.83
Valuation Significantly Overvalued
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What is Fortuna Mining Cyclically Adjusted PB Ratio?

Fortuna Mining FSM -0.42% 92 Cyclically Adjusted PB Ratio is 2.13 as of Aug. 07, 2026, which is 31% above its 10-year median of 1.63. GuruFocus rates FSM with a GF Score™ of 92/100 and a GF Value™ of $6.83 (Significantly Overvalued). Among 1,533 Metals & Mining companies, Fortuna Mining ranks worse than 59.62% on this metric.

As of today (2026-08-07), Fortuna Mining's current share price is $9.56. Fortuna Mining's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $4.48. Fortuna Mining's Cyclically Adjusted PB Ratio for today is 2.13.

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

FSM' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.64   Med: 1.63   Max: 6.18
Current: 2.15

During the past years, Fortuna Mining's highest Cyclically Adjusted PB Ratio was 6.18. The lowest was 0.64. And the median was 1.63.

FSM's Cyclically Adjusted PB Ratio is ranked worse than
59.62% of 1533 companies
in the Metals & Mining industry
Industry Median: 1.44 vs FSM: 2.15

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.

Fortuna Mining's adjusted book value per share data for the three months ended in Mar. 2026 was $5.822. 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 $4.48 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Fortuna Mining  (NYSE:FSM) 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.


Fortuna Mining Cyclically Adjusted PB Ratio Related Terms


Fortuna Mining Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Fortuna Mining'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.

Fortuna Mining Cyclically Adjusted PB Ratio Chart

Fortuna Mining 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 1.21 1.08 0.99 1.11 2.23

Fortuna Mining 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 1.53 1.53 2.10 2.23 2.22

FSM vs NEM, AU: Cyclically Adjusted PB Ratio Comparison

For the Gold subindustry, Fortuna Mining'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.


Fortuna Mining Cyclically Adjusted PB Ratio vs Metals & Mining Industry

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

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


FSM
92GF Score
Fortuna Mining Corp FSM
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Fortuna Mining 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.

Fortuna Mining's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=9.56/4.48
=2.13

* 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.

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

For example, Fortuna Mining'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)
=5.822/132.2623*132.2623
=5.822

Current CPI (Mar. 2026) = 132.2623.

Fortuna Mining Quarterly Data

Book Value per Share CPI Adj_Book
201606 2.060 102.002 2.671
201609 2.777 101.765 3.609
201612 2.879 101.449 3.753
201703 3.191 102.634 4.112
201706 3.248 103.029 4.170
201709 3.314 103.345 4.241
201712 3.530 103.345 4.518
201803 3.620 105.004 4.560
201806 3.698 105.557 4.634
201809 3.751 105.636 4.696
201812 3.769 105.399 4.730
201903 3.789 106.979 4.684
201906 3.849 107.690 4.727
201909 3.807 107.611 4.679
201912 3.964 107.769 4.865
202003 3.936 107.927 4.823
202006 3.765 108.401 4.594
202009 3.837 108.164 4.692
202012 3.940 108.559 4.800
202103 4.087 110.298 4.901
202106 4.158 111.720 4.923
202109 4.665 112.905 5.465
202112 4.717 113.774 5.484
202203 4.799 117.646 5.395
202206 4.795 120.806 5.250
202209 4.784 120.648 5.245
202212 4.289 120.964 4.690
202303 4.325 122.702 4.662
202306 4.332 124.203 4.613
202309 4.352 125.230 4.596
202312 4.039 125.072 4.271
202403 4.124 126.258 4.320
202406 4.361 127.522 4.523
202409 4.533 127.285 4.710
202412 4.574 127.364 4.750
202503 4.757 129.181 4.870
202506 4.869 129.892 4.958
202509 5.274 130.287 5.354
202512 5.485 130.366 5.565
202603 5.822 132.262 5.822

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 2.13 mean?
Fortuna Mining (FSM) has a Cyclically Adjusted PB Ratio of 2.13 as of Aug. 07, 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 Fortuna Mining and its competitors. This is 31% above median its historical median of 1.63. Over the past decade, Fortuna Mining's Cyclically Adjusted PB Ratio has ranged from 0.64 to 6.18. According to the industry distribution chart, Fortuna Mining ranks #914 out of 1533 companies in the Metals & Mining industry, placing it in the top 59.6%.
Is Fortuna Mining's Cyclically Adjusted PB Ratio too high?
Fortuna Mining's current Cyclically Adjusted PB Ratio of 2.13 is 31% above median its 10-year median of 1.63. Over the past 10 years, this metric has ranged from a low of 0.64 to a high of 6.18. The Metals & Mining industry median Cyclically Adjusted PB Ratio is 1.44. Fortuna Mining's value of 2.13 is 47.9% above this industry median. Based on the distribution chart, Fortuna Mining ranks #914 out of 1533 companies in the Metals & Mining industry, which is below the industry midpoint. Overall, Fortuna Mining has a GF Score™ of 92/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Fortuna Mining's Cyclically Adjusted PB Ratio compare to NEM and AU?
According to the Metals & Mining industry distribution chart, Fortuna Mining ranks #914 out of 1533 companies for Cyclically Adjusted PB Ratio. This places Fortuna Mining in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.44. Fortuna Mining's value of 2.13 is 47.9% above this benchmark. Historically, Fortuna Mining's own Cyclically Adjusted PB Ratio has ranged from 0.64 to 6.18 over the past decade. While the company's 10-year median is 1.63 vs. the industry median of 1.44, Fortuna Mining 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 Metals & Mining company?
The median Cyclically Adjusted PB Ratio among Metals & Mining companies is 1.44, based on 1,533 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. Fortuna Mining's current Cyclically Adjusted PB Ratio of 2.13 is 47.9% 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 Fortuna Mining and its competitors. For the Metals & Mining industry, the median Cyclically Adjusted PB Ratio is 1.44 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Fortuna Mining's current Cyclically Adjusted PB Ratio is 2.13, which is 31% above median its own 10-year median of 1.63. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Fortuna Mining stock overvalued right now?
Based on GuruFocus' analysis, Fortuna Mining (FSM) is currently considered Significantly Overvalued. The stock's GF Value™ is $6.83, compared to a current price of $9.56 — trading 40% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.13, which is 31% above median its 10-year median of 1.63 and 47.9% above the Metals & Mining industry median of 1.44. Fortuna Mining's overall GF Score™ is 92/100. 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 Fortuna Mining (FSM), the current Cyclically Adjusted PB Ratio is 2.13 as of Aug. 07, 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 Fortuna Mining (FSM) Overvalued in 2026?

Based on GuruFocus' analysis, Fortuna Mining stock appears to be overvalued. The current stock price of $9.56 is trading 40% above its estimated GF Value™ of $6.83. GuruFocus considers Fortuna Mining to be Significantly Overvalued.

Key valuation signals for FSM:

  • Cyclically Adjusted PB Ratio: 2.13 (31% above median its 10-year median of 1.63)
  • GF Value™: $6.83 vs. price of $9.56 (40% above fair value)
  • GF Score™: 92/100
  • Industry Position: 47.9% above the Metals & Mining median (#914 of 1533)

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


Fortuna Mining Business Description

Address 1111 Melville Street, Suite 820, Vancouver, BC, CAN, V6E 3V6
Fortuna Mining Corp is a Canadian-based precious metals mining company with mines in the Latin America and West Africa regions producing gold and silver. It operate mines in Argentina, Burkina Faso, Cote d'voire, Mexico, and Peru. The company's segment consists of Mansfield, Sango, Bateas, Corporate. The company generates the majority of its revenue from Sango segment which operates the Seguela gold mine. Geographically, the company generates the majority of its revenue from Cote d' Ivoire location.
92GF Score

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

$9.56
Price
$6.83
GF Value