Bumech (WAR:BMC) Cyclically Adjusted PB Ratio: 0.90 (As of Jul. 30, 2026) — 88% Above Median

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WAR:BMC Bumech SA WAR:BMC
49 GF Score
Price zł15.41
GF Value zł6.07
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is Bumech Cyclically Adjusted PB Ratio?

Bumech WAR:BMC +0.46% 49 Cyclically Adjusted PB Ratio is 0.90 as of Jul. 30, 2026, which is 88% above its 10-year median of 0.48. GuruFocus rates WAR:BMC with a GF Score™ of 49/100 and a GF Value™ of zł6.07 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 136 Other Energy Sources companies, Bumech ranks better than 65.44% on this metric.

As of today (2026-07-30), Bumech's current share price is zł15.41. Bumech's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was zł17.14. Bumech's Cyclically Adjusted PB Ratio for today is 0.90.

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

WAR:BMC' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.03   Med: 0.48   Max: 2.41
Current: 0.88

During the past years, Bumech's highest Cyclically Adjusted PB Ratio was 2.41. The lowest was 0.03. And the median was 0.48.

WAR:BMC's Cyclically Adjusted PB Ratio is ranked better than
65.44% of 136 companies
in the Other Energy Sources industry
Industry Median: 1.125 vs WAR:BMC: 0.88

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.

Bumech's adjusted book value per share data for the three months ended in Mar. 2026 was zł2.086. 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 zł17.14 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Bumech  (WAR:BMC) 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.


Bumech Cyclically Adjusted PB Ratio Related Terms


Bumech Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Bumech'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.

Bumech Cyclically Adjusted PB Ratio Chart

Bumech 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 0.60 1.75 0.64 0.30 1.04

Bumech 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 0.39 0.42 1.42 1.04 1.31

Bumech Cyclically Adjusted PB Ratio Competitor Comparison

For the Thermal Coal subindustry, Bumech'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.


Bumech Cyclically Adjusted PB Ratio vs Other Energy Sources Industry

For the Other Energy Sources industry and Energy sector, Bumech's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


WAR:BMC
49GF Score
Bumech SA WAR:BMC
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Bumech 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.

Bumech's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=15.41/17.14
=0.90

* 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.

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

For example, Bumech'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)
=2.086/163.0700*163.0700
=2.086

Current CPI (Mar. 2026) = 163.0700.

Bumech Quarterly Data

Book Value per Share CPI Adj_Book
201606 13.519 99.552 22.145
201609 13.388 99.064 22.038
201612 13.997 100.366 22.742
201703 14.151 101.018 22.844
201706 11.710 101.180 18.873
201709 10.603 101.343 17.061
201712 6.784 102.564 10.786
201803 4.966 102.564 7.896
201806 4.372 103.378 6.896
201809 3.196 103.378 5.041
201812 1.126 103.785 1.769
201903 1.017 104.274 1.590
201906 2.398 105.983 3.690
201909 2.143 105.983 3.297
201912 2.130 107.123 3.242
202003 2.272 109.076 3.397
202006 1.561 109.402 2.327
202009 1.768 109.320 2.637
202012 2.315 109.565 3.446
202103 2.396 112.658 3.468
202106 3.772 113.960 5.398
202109 6.399 115.588 9.028
202112 30.184 119.088 41.332
202203 31.516 125.031 41.104
202206 39.247 131.705 48.593
202209 49.375 135.531 59.408
202212 54.633 139.113 64.042
202303 55.937 145.950 62.498
202306 51.312 147.009 56.918
202309 49.761 146.113 55.536
202312 50.823 147.741 56.096
202403 48.657 149.044 53.236
202406 46.992 150.997 50.749
202409 45.550 153.439 48.409
202412 -29.017 154.660 -30.595
202503 -28.996 157.021 -30.113
202506 -27.415 157.509 -28.383
202509 -24.973 158.000 -25.774
202512 -37.923 158.320 -39.061
202603 2.086 163.070 2.086

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 0.90 mean?
Bumech (WAR:BMC) has a Cyclically Adjusted PB Ratio of 0.90 as of Jul. 30, 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 Bumech and its competitors. This is 88% above median its historical median of 0.48. Over the past decade, Bumech's Cyclically Adjusted PB Ratio has ranged from 0.03 to 2.41. According to the industry distribution chart, Bumech ranks #47 out of 136 companies in the Other Energy Sources industry, placing it in the top 34.6%.
Is Bumech's Cyclically Adjusted PB Ratio too high?
Bumech's current Cyclically Adjusted PB Ratio of 0.90 is 88% above median its 10-year median of 0.48. Over the past 10 years, this metric has ranged from a low of 0.03 to a high of 2.41. The Other Energy Sources industry median Cyclically Adjusted PB Ratio is 1.13. Bumech's value of 0.90 is 20% below this industry median. Based on the distribution chart, Bumech ranks #47 out of 136 companies in the Other Energy Sources industry, which is above the industry midpoint. Overall, Bumech has a GF Score™ of 49/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Bumech's Cyclically Adjusted PB Ratio compare to competitors?
According to the Other Energy Sources industry distribution chart, Bumech ranks #47 out of 136 companies for Cyclically Adjusted PB Ratio. This puts Bumech in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.13. Bumech's value of 0.90 is 20% below this benchmark. Historically, Bumech's own Cyclically Adjusted PB Ratio has ranged from 0.03 to 2.41 over the past decade. While the company's 10-year median is 0.48 vs. the industry median of 1.13, Bumech 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 Other Energy Sources company?
The median Cyclically Adjusted PB Ratio among Other Energy Sources companies is 1.13, based on 136 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. Bumech's current Cyclically Adjusted PB Ratio of 0.90 is 20% 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 Bumech and its competitors. For the Other Energy Sources industry, the median Cyclically Adjusted PB Ratio is 1.13 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Bumech's current Cyclically Adjusted PB Ratio is 0.90, which is 88% above median its own 10-year median of 0.48. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Bumech stock overvalued right now?
Based on GuruFocus' analysis, Bumech (WAR:BMC) is currently considered Significantly Overvalued. The stock's GF Value™ is zł6.07, compared to a current price of zł15.41 — trading 153.9% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.90, which is 88% above median its 10-year median of 0.48 and 20% below the Other Energy Sources industry median of 1.13. Bumech's overall GF Score™ is 49/100 with 4 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 Bumech (WAR:BMC), the current Cyclically Adjusted PB Ratio is 0.90 as of Jul. 30, 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 Bumech (WAR:BMC) Overvalued in 2026?

Based on GuruFocus' analysis, Bumech stock appears to be overvalued. The current stock price of zł15.41 is trading 153.9% above its estimated GF Value™ of zł6.07. GuruFocus considers Bumech to be Significantly Overvalued.

Key valuation signals for WAR:BMC:

  • Cyclically Adjusted PB Ratio: 0.90 (88% above median its 10-year median of 0.48)
  • GF Value™: zł6.07 vs. price of zł15.41 (153.9% above fair value)
  • GF Score™: 49/100 with 4 warning signs
  • Industry Position: 20% below the Other Energy Sources median (#47 of 136)

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


Bumech Business Description

Address ul. Krakowska 191, Katowice, POL, 40-389
Bumech SA is specialized in scope of service, maintenance of operations and repair works of mining machinery and equipment. The company is also providing services in the area of drilling underground headings in coal mines.
49GF Score

Get the complete analysis for WAR:BMC

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

zł15.41
Price
zł6.07
GF Value