Erste Bank Polska (STU:BZI) Cyclically Adjusted PB Ratio: 2.06 (As of Aug. 06, 2026) — 30% 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.

STU:BZI Erste Bank Polska SA STU:BZI
68 GF Score
Price €166.15
GF Value €121.06
Valuation Significantly Overvalued
! 9 Warning Signs
View Full Analysis

What is Erste Bank Polska Cyclically Adjusted PB Ratio?

Erste Bank Polska STU:BZI -3.93% 68 Cyclically Adjusted PB Ratio is 2.06 as of Aug. 06, 2026, which is 30% above its 10-year median of 1.58. GuruFocus rates STU:BZI with a GF Score™ of 68/100 and a GF Value™ of €121.06 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 1,286 Banks companies, Erste Bank Polska ranks worse than 82.04% on this metric.

As of today (2026-08-06), Erste Bank Polska's current share price is €166.15. Erste Bank Polska's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was €80.84. Erste Bank Polska's Cyclically Adjusted PB Ratio for today is 2.06.

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

STU:BZI' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.63   Med: 1.58   Max: 3.01
Current: 2.06

During the past years, Erste Bank Polska's highest Cyclically Adjusted PB Ratio was 3.01. The lowest was 0.63. And the median was 1.58.

STU:BZI's Cyclically Adjusted PB Ratio is ranked worse than
82.04% of 1286 companies
in the Banks industry
Industry Median: 1.28 vs STU:BZI: 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.

Erste Bank Polska's adjusted book value per share data for the three months ended in Jun. 2026 was €73.428. 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 €80.84 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Erste Bank Polska  (STU:BZI) 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.


Erste Bank Polska Cyclically Adjusted PB Ratio Related Terms


Erste Bank Polska Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Erste Bank Polska'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.

Erste Bank Polska Cyclically Adjusted PB Ratio Chart

Erste Bank Polska 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 1.50 0.93 1.59 1.39 1.60

Erste Bank Polska 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 1.47 1.40 1.60 1.66 1.85

STU:BZI vs PNC: Cyclically Adjusted PB Ratio Comparison

For the Banks - Regional subindustry, Erste Bank Polska'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.


Erste Bank Polska Cyclically Adjusted PB Ratio vs Banks Industry

For the Banks industry and Financial Services sector, Erste Bank Polska's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


STU:BZI
68GF Score
Erste Bank Polska SA STU:BZI
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Erste Bank Polska 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.

Erste Bank Polska's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=166.15/80.84
=2.06

* 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.

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

For example, Erste Bank Polska'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)
=73.428/162.2800*162.2800
=73.428

Current CPI (Jun. 2026) = 162.2800.

Erste Bank Polska Quarterly Data

Book Value per Share CPI Adj_Book
201609 46.166 99.064 75.626
201612 46.454 100.366 75.110
201703 47.811 101.018 76.806
201706 48.414 101.180 77.650
201709 49.959 101.343 79.999
201712 51.397 102.564 81.322
201803 52.166 102.564 82.539
201806 52.970 103.378 83.151
201809 54.095 103.378 84.917
201812 57.140 103.785 89.345
201903 58.130 104.274 90.467
201906 55.249 105.983 84.597
201909 56.928 105.983 87.168
201912 58.057 107.123 87.951
202003 58.520 109.076 87.064
202006 60.079 109.402 89.118
202009 61.179 109.320 90.817
202012 61.563 109.565 91.183
202103 62.452 112.658 89.960
202106 62.223 113.960 88.606
202109 62.211 115.588 87.341
202112 58.227 119.088 79.345
202203 57.645 125.031 74.819
202206 61.058 131.705 75.232
202209 61.439 135.531 73.565
202212 60.818 139.113 70.946
202303 68.653 145.950 76.334
202306 72.013 147.009 79.494
202309 76.131 146.113 84.555
202312 72.437 147.741 79.565
202403 75.386 149.044 82.081
202406 66.914 150.997 71.914
202409 72.981 153.439 77.186
202412 74.181 154.660 77.836
202503 78.860 157.021 81.501
202506 71.214 157.509 73.371
202509 75.944 158.000 78.001
202512 80.790 158.320 82.811
202603 81.398 163.070 81.004
202606 73.428 162.280 73.428

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 2.06 mean?
Erste Bank Polska (STU:BZI) has a Cyclically Adjusted PB Ratio of 2.06 as of Aug. 06, 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 Erste Bank Polska and its competitors. This is 30% above median its historical median of 1.58. Over the past decade, Erste Bank Polska's Cyclically Adjusted PB Ratio has ranged from 0.63 to 3.01. According to the industry distribution chart, Erste Bank Polska ranks #1055 out of 1286 companies in the Banks industry, placing it in the top 82%.
Is Erste Bank Polska's Cyclically Adjusted PB Ratio too high?
Erste Bank Polska's current Cyclically Adjusted PB Ratio of 2.06 is 30% above median its 10-year median of 1.58. Over the past 10 years, this metric has ranged from a low of 0.63 to a high of 3.01. The Banks industry median Cyclically Adjusted PB Ratio is 1.28. Erste Bank Polska's value of 2.06 is 60.9% above this industry median. Based on the distribution chart, Erste Bank Polska ranks #1055 out of 1286 companies in the Banks industry, which is in the bottom quartile relative to peers. Overall, Erste Bank Polska has a GF Score™ of 68/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Erste Bank Polska's Cyclically Adjusted PB Ratio compare to PNC?
According to the Banks industry distribution chart, Erste Bank Polska ranks #1055 out of 1286 companies for Cyclically Adjusted PB Ratio. This places Erste Bank Polska in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.28. Erste Bank Polska's value of 2.06 is 60.9% above this benchmark. Historically, Erste Bank Polska's own Cyclically Adjusted PB Ratio has ranged from 0.63 to 3.01 over the past decade. While the company's 10-year median is 1.58 vs. the industry median of 1.28, Erste Bank Polska 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 Banks company?
The median Cyclically Adjusted PB Ratio among Banks companies is 1.28, based on 1,286 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. Erste Bank Polska's current Cyclically Adjusted PB Ratio of 2.06 is 60.9% 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 Erste Bank Polska and its competitors. For the Banks industry, the median Cyclically Adjusted PB Ratio is 1.28 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Erste Bank Polska's current Cyclically Adjusted PB Ratio is 2.06, which is 30% above median its own 10-year median of 1.58. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Erste Bank Polska stock overvalued right now?
Based on GuruFocus' analysis, Erste Bank Polska (STU:BZI) is currently considered Significantly Overvalued. The stock's GF Value™ is €121.06, compared to a current price of €166.15 — trading 37.2% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.06, which is 30% above median its 10-year median of 1.58 and 60.9% above the Banks industry median of 1.28. Erste Bank Polska's overall GF Score™ is 68/100 with 9 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 Erste Bank Polska (STU:BZI), the current Cyclically Adjusted PB Ratio is 2.06 as of Aug. 06, 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 Erste Bank Polska (STU:BZI) Overvalued in 2026?

Based on GuruFocus' analysis, Erste Bank Polska stock appears to be overvalued. The current stock price of €166.15 is trading 37.2% above its estimated GF Value™ of €121.06. GuruFocus considers Erste Bank Polska to be Significantly Overvalued.

Key valuation signals for STU:BZI:

  • Cyclically Adjusted PB Ratio: 2.06 (30% above median its 10-year median of 1.58)
  • GF Value™: €121.06 vs. price of €166.15 (37.2% above fair value)
  • GF Score™: 68/100 with 9 warning signs
  • Industry Position: 60.9% above the Banks median (#1055 of 1286)

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


Erste Bank Polska Business Description

Address Plac Europejski 3A, Warszawa, POL, 00-854
Erste Bank Polska SA is a commercial bank. It provides financial products and services such as Personal accounts, Payment cards, Loans, Savings and investments, and products for overseas customers.
68GF Score

Get the complete analysis for STU:BZI

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

€166.15
Price
€121.06
GF Value