Korbank (WAR:KOR) Cyclically Adjusted PB Ratio: 1.98 (As of Sep. 14, 2026) — Near Median

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WAR:KOR Korbank SA WAR:KOR
79 GF Score
Price zł11.60
GF Value zł9.68
Valuation Modestly Overvalued
! 6 Warning Signs
View Full Analysis

What is Korbank Cyclically Adjusted PB Ratio?

Korbank WAR:KOR -4.13% 79 Cyclically Adjusted PB Ratio is 1.98 as of Sep. 14, 2026, which is 6% below its 10-year median of 2.11. GuruFocus rates WAR:KOR with a GF Score™ of 79/100 and a GF Value™ of zł9.68 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 288 Telecommunication Services companies, Korbank ranks worse than 56.25% on this metric.

As of today (2026-09-14), Korbank's current share price is zł11.60. Korbank's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was zł5.87. Korbank's Cyclically Adjusted PB Ratio for today is 1.98.

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

WAR:KOR' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.42   Med: 2.11   Max: 5.05
Current: 2.06

During the past years, Korbank's highest Cyclically Adjusted PB Ratio was 5.05. The lowest was 1.42. And the median was 2.11.

WAR:KOR's Cyclically Adjusted PB Ratio is ranked worse than
56.25% of 288 companies
in the Telecommunication Services industry
Industry Median: 1.74 vs WAR:KOR: 2.06

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.

Korbank's adjusted book value per share data for the three months ended in Jun. 2026 was zł10.115. 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 zł5.87 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Korbank  (WAR:KOR) 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.


Korbank Cyclically Adjusted PB Ratio Related Terms


Korbank Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Korbank'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.

Korbank Cyclically Adjusted PB Ratio Chart

Korbank 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 4.21 2.45 2.08 1.57 1.69

Korbank 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 1.72 1.72 1.69 1.69 2.01

WAR:KOR vs VZ, TMUS, T: Cyclically Adjusted PB Ratio Comparison

For the Telecom Services subindustry, Korbank'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.


Korbank Cyclically Adjusted PB Ratio vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, Korbank's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


WAR:KOR
79GF Score
Korbank SA WAR:KOR
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Korbank 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=11.60/5.87
=1.98

* 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.

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

For example, Korbank'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)
=10.115/162.2800*162.2800
=10.115

Current CPI (Jun. 2026) = 162.2800.

Korbank Quarterly Data

Book Value per Share CPI Adj_Book
201609 1.303 99.064 2.134
201612 1.255 100.366 2.029
201703 1.375 101.018 2.209
201706 1.395 101.180 2.237
201709 1.533 101.343 2.455
201712 1.367 102.564 2.163
201803 1.666 102.564 2.636
201806 1.587 103.378 2.491
201809 1.907 103.378 2.994
201812 1.929 103.785 3.016
201903 2.465 104.274 3.836
201906 2.737 105.983 4.191
201909 3.083 105.983 4.721
201912 2.962 107.123 4.487
202003 3.375 109.076 5.021
202006 2.737 109.402 4.060
202009 3.761 109.320 5.583
202012 4.091 109.565 6.059
202103 4.478 112.658 6.450
202106 4.782 113.960 6.810
202109 5.294 115.588 7.433
202112 5.120 119.088 6.977
202203 5.865 125.031 7.612
202206 5.814 131.705 7.164
202209 6.010 135.531 7.196
202212 5.908 139.113 6.892
202303 6.312 145.950 7.018
202306 6.519 147.009 7.196
202309 6.741 146.113 7.487
202312 6.785 147.741 7.453
202403 7.147 149.044 7.782
202406 7.467 150.997 8.025
202409 7.646 153.439 8.087
202412 7.524 154.660 7.895
202503 7.920 157.021 8.185
202506 8.071 157.509 8.315
202509 9.063 158.000 9.309
202512 9.251 158.320 9.482
202603 9.805 163.070 9.757
202606 10.115 162.280 10.115

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 1.98 mean?
Korbank (WAR:KOR) has a Cyclically Adjusted PB Ratio of 1.98 as of Sep. 14, 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 Korbank and its competitors. This is near median its historical median of 2.11. Over the past decade, Korbank's Cyclically Adjusted PB Ratio has ranged from 1.42 to 5.05. According to the industry distribution chart, Korbank ranks #162 out of 288 companies in the Telecommunication Services industry, placing it in the top 56.2%.
Is Korbank's Cyclically Adjusted PB Ratio too high?
Korbank's current Cyclically Adjusted PB Ratio of 1.98 is near median its 10-year median of 2.11. Over the past 10 years, this metric has ranged from a low of 1.42 to a high of 5.05. The Telecommunication Services industry median Cyclically Adjusted PB Ratio is 1.74. Korbank's value of 1.98 is 13.8% above this industry median. Based on the distribution chart, Korbank ranks #162 out of 288 companies in the Telecommunication Services industry, which is below the industry midpoint. Overall, Korbank has a GF Score™ of 79/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Korbank's Cyclically Adjusted PB Ratio compare to VZ and TMUS?
According to the Telecommunication Services industry distribution chart, Korbank ranks #162 out of 288 companies for Cyclically Adjusted PB Ratio. This places Korbank in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.74. Korbank's value of 1.98 is 13.8% above this benchmark. Historically, Korbank's own Cyclically Adjusted PB Ratio has ranged from 1.42 to 5.05 over the past decade. While the company's 10-year median is 2.11 vs. the industry median of 1.74, Korbank 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 Telecommunication Services company?
The median Cyclically Adjusted PB Ratio among Telecommunication Services companies is 1.74, based on 288 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. Korbank's current Cyclically Adjusted PB Ratio of 1.98 is 13.8% 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 Korbank and its competitors. For the Telecommunication Services industry, the median Cyclically Adjusted PB Ratio is 1.74 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Korbank's current Cyclically Adjusted PB Ratio is 1.98, which is near median its own 10-year median of 2.11. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Korbank stock overvalued right now?
Based on GuruFocus' analysis, Korbank (WAR:KOR) is currently considered Modestly Overvalued. The stock's GF Value™ is zł9.68, compared to a current price of zł11.60 — trading 19.8% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.98, which is near median its 10-year median of 2.11 and 13.8% above the Telecommunication Services industry median of 1.74. Korbank's overall GF Score™ is 79/100 with 6 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 Korbank (WAR:KOR), the current Cyclically Adjusted PB Ratio is 1.98 as of Sep. 14, 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 Korbank (WAR:KOR) Overvalued in 2026?

Based on GuruFocus' analysis, Korbank stock appears to be overvalued. The current stock price of zł11.60 is trading 19.8% above its estimated GF Value™ of zł9.68. GuruFocus considers Korbank to be Modestly Overvalued.

Key valuation signals for WAR:KOR:

  • Cyclically Adjusted PB Ratio: 1.98 (near median its 10-year median of 2.11)
  • GF Value™: zł9.68 vs. price of zł11.60 (19.8% above fair value)
  • GF Score™: 79/100 with 6 warning signs
  • Industry Position: 13.8% above the Telecommunication Services median (#162 of 288)

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


Korbank Business Description

Address Ulica Nabycinska 19, Wroclaw, POL, 53-677
Korbank SA is a telecommunication company. The company is engaged in providing services for internet communication. It offers broadband Internet, digital phone and digital cable TV services to individuals and business clients.
79GF Score

Get the complete analysis for WAR:KOR

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

zł11.60
Price
zł9.68
GF Value