Lundin Mining (TSX:LUN) Cyclically Adjusted PB Ratio: 4.18 (As of Aug. 11, 2026) — 232% Above Median

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.

TSX:LUN Lundin Mining Corp TSX:LUN
74 GF Score
Price C$36.91
GF Value C$19.65
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is Lundin Mining Cyclically Adjusted PB Ratio?

Lundin Mining TSX:LUN -2.48% 74 Cyclically Adjusted PB Ratio is 4.18 as of Aug. 11, 2026, which is 232% above its 10-year median of 1.26. GuruFocus rates TSX:LUN with a GF Score™ of 74/100 and a GF Value™ of C$19.65 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 1,528 Metals & Mining companies, Lundin Mining ranks worse than 74.48% on this metric.

As of today (2026-08-11), Lundin Mining's current share price is C$36.91. Lundin Mining's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was C$8.83. Lundin Mining's Cyclically Adjusted PB Ratio for today is 4.18.

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

TSX:LUN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.65   Med: 1.26   Max: 5.13
Current: 4.29

During the past years, Lundin Mining's highest Cyclically Adjusted PB Ratio was 5.13. The lowest was 0.65. And the median was 1.26.

TSX:LUN's Cyclically Adjusted PB Ratio is ranked worse than
74.48% of 1528 companies
in the Metals & Mining industry
Industry Median: 1.555 vs TSX:LUN: 4.29

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.

Lundin Mining's adjusted book value per share data for the three months ended in Jun. 2026 was C$11.473. 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$8.83 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Lundin Mining  (TSX:LUN) 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.


Lundin Mining Cyclically Adjusted PB Ratio Related Terms


Lundin Mining Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Lundin 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.

Lundin Mining Cyclically Adjusted PB Ratio Chart

Lundin 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 1.36 1.06 1.33 1.49 3.48

Lundin Mining Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 1.70 2.46 3.48 4.02 3.92

TSX:LUN vs SCCO, FCX: Cyclically Adjusted PB Ratio Comparison

For the Copper subindustry, Lundin 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.


Lundin Mining Cyclically Adjusted PB Ratio vs Metals & Mining Industry

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

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


TSX:LUN
74GF Score
Lundin Mining Corp TSX:LUN
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Lundin 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=36.91/8.83
=4.18

* 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.

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

For example, Lundin Mining's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=11.473/133.5265*133.5265
=11.473

Current CPI (Jun. 2026) = 133.5265.

Lundin Mining Quarterly Data

Book Value per Share CPI Adj_Book
201609 5.480 101.765 7.190
201612 5.821 101.449 7.662
201703 6.015 102.634 7.826
201706 6.176 103.029 8.004
201709 5.954 103.345 7.693
201712 6.431 103.345 8.309
201803 6.515 105.004 8.285
201806 6.622 105.557 8.377
201809 6.553 105.636 8.283
201812 6.761 105.399 8.565
201903 6.750 106.979 8.425
201906 6.685 107.690 8.289
201909 6.596 107.611 8.184
201912 6.767 107.769 8.384
202003 6.859 107.927 8.486
202006 6.748 108.401 8.312
202009 6.858 108.164 8.466
202012 6.923 108.559 8.515
202103 6.871 110.298 8.318
202106 7.034 111.720 8.407
202109 7.360 112.905 8.704
202112 7.741 113.774 9.085
202203 8.001 117.646 9.081
202206 7.971 120.806 8.810
202209 8.079 120.648 8.941
202212 8.568 120.964 9.458
202303 8.829 122.702 9.608
202306 8.560 124.203 9.203
202309 8.616 125.230 9.187
202312 8.603 125.072 9.185
202403 8.545 126.258 9.037
202406 8.771 127.522 9.184
202409 8.763 127.285 9.193
202412 8.139 127.364 8.533
202503 8.809 129.181 9.105
202506 9.191 129.892 9.448
202509 9.545 130.287 9.782
202512 10.689 130.366 10.948
202603 10.990 132.262 11.095
202606 11.473 133.527 11.473

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 4.18 mean?
Lundin Mining (TSX:LUN) has a Cyclically Adjusted PB Ratio of 4.18 as of Aug. 11, 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 Lundin Mining and its competitors. This is 232% above median its historical median of 1.26. Over the past decade, Lundin Mining's Cyclically Adjusted PB Ratio has ranged from 0.65 to 5.13. According to the industry distribution chart, Lundin Mining ranks #1138 out of 1528 companies in the Metals & Mining industry, placing it in the top 74.5%.
Is Lundin Mining's Cyclically Adjusted PB Ratio too high?
Lundin Mining's current Cyclically Adjusted PB Ratio of 4.18 is 232% above median its 10-year median of 1.26. Over the past 10 years, this metric has ranged from a low of 0.65 to a high of 5.13. The Metals & Mining industry median Cyclically Adjusted PB Ratio is 1.56. Lundin Mining's value of 4.18 is 168.8% above this industry median. Based on the distribution chart, Lundin Mining ranks #1138 out of 1528 companies in the Metals & Mining industry, which is below the industry midpoint. Overall, Lundin Mining has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Lundin Mining's Cyclically Adjusted PB Ratio compare to SCCO and FCX?
According to the Metals & Mining industry distribution chart, Lundin Mining ranks #1138 out of 1528 companies for Cyclically Adjusted PB Ratio. This places Lundin Mining in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.56. Lundin Mining's value of 4.18 is 168.8% above this benchmark. Historically, Lundin Mining's own Cyclically Adjusted PB Ratio has ranged from 0.65 to 5.13 over the past decade. While the company's 10-year median is 1.26 vs. the industry median of 1.56, Lundin 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 1.56, based on 1,528 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. Lundin Mining's current Cyclically Adjusted PB Ratio of 4.18 is 168.8% 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 Lundin Mining and its competitors. For the Metals & Mining industry, the median Cyclically Adjusted PB Ratio is 1.56 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Lundin Mining's current Cyclically Adjusted PB Ratio is 4.18, which is 232% above median its own 10-year median of 1.26. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Lundin Mining stock overvalued right now?
Based on GuruFocus' analysis, Lundin Mining (TSX:LUN) is currently considered Significantly Overvalued. The stock's GF Value™ is C$19.65, compared to a current price of C$36.91 — trading 87.8% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 4.18, which is 232% above median its 10-year median of 1.26 and 168.8% above the Metals & Mining industry median of 1.56. Lundin Mining's overall GF Score™ is 74/100 with 3 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 Lundin Mining (TSX:LUN), the current Cyclically Adjusted PB Ratio is 4.18 as of Aug. 11, 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 Lundin Mining (TSX:LUN) Overvalued in 2026?

Based on GuruFocus' analysis, Lundin Mining stock appears to be overvalued. The current stock price of C$36.91 is trading 87.8% above its estimated GF Value™ of C$19.65. GuruFocus considers Lundin Mining to be Significantly Overvalued.

Key valuation signals for TSX:LUN:

  • Cyclically Adjusted PB Ratio: 4.18 (232% above median its 10-year median of 1.26)
  • GF Value™: C$19.65 vs. price of C$36.91 (87.8% above fair value)
  • GF Score™: 74/100 with 3 warning signs
  • Industry Position: 168.8% above the Metals & Mining median (#1138 of 1528)

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


Lundin Mining Business Description

Address 1055 Dunsmuir Street, Suite 2800, Vancouver, BC, CAN, V7X 1L2
Lundin Mining Corp is adiversified Canadian base metals mining company primarily producing copper and gold with operations in Brazil, Chile, Portugal, Sweden, and the United States of America, producing copper, zinc, gold, and nickel. Its material mineral properties include Candelaria, Chapada, and Caserones. The majority of the revenue is from Copper.
74GF Score

Get the complete analysis for TSX:LUN

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

C$36.91
Price
C$19.65
GF Value