TalkPool AG (OSTO:TALK) Cyclically Adjusted Book per Share: kr-0.14 (As of Jun. 2026)

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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.

OSTO:TALK TalkPool AG OSTO:TALK
60 GF Score
Price kr13.80
GF Value kr7.70
Valuation Significantly Overvalued
! 1 Warning Sign
View Full Analysis

What is TalkPool AG Cyclically Adjusted Book per Share?

TalkPool AG OSTO:TALK 60 Cyclically Adjusted Book per Share is kr-0.14 as of Jun. 2026. GuruFocus rates OSTO:TALK with a GF Score™ of 60/100 and a GF Value™ of kr7.70 (Significantly Overvalued). The stock has 1 warning sign investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

TalkPool AG's adjusted book value per share for the three months ended in Jun. 2026 was kr4.811. 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 kr-0.14 for the trailing ten years ended in Jun. 2026.

Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

As of today (2026-09-18), TalkPool AG's current stock price is kr13.80. TalkPool AG's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was kr-0.14. TalkPool AG's Cyclically Adjusted PB Ratio of today is .


TalkPool AG  (OSTO:TALK) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

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.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


TalkPool AG Cyclically Adjusted Book per Share Related Terms


TalkPool AG Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for TalkPool AG's Cyclically Adjusted Book per Share 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.

TalkPool AG Cyclically Adjusted Book per Share Chart

TalkPool AG Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 12.01 6.85 0.04

TalkPool AG Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted Book per Share 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 6.91 6.89 1.69 -0.11 -0.14

OSTO:TALK vs VZ, TMUS, T: Cyclically Adjusted Book per Share Comparison

For the Telecom Services subindustry, TalkPool AG'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.


TalkPool AG Cyclically Adjusted PB Ratio vs Telecommunication Services Industry

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

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


OSTO:TALK
60GF Score
TalkPool AG OSTO:TALK
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

TalkPool AG Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get 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.

For example, TalkPool AG'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)
=4.811/108.5600*108.5600
=4.811

Current CPI (Jun. 2026) = 108.5600.

TalkPool AG Quarterly Data

Book Value per Share CPI Adj_Book
201609 4.195 99.604 4.572
201612 4.463 99.380 4.875
201703 1.781 100.040 1.933
201706 1.458 100.285 1.578
201709 1.794 100.254 1.943
201712 4.282 100.213 4.639
201803 4.549 100.836 4.897
201806 4.195 101.435 4.490
201809 3.232 101.246 3.465
201812 1.238 100.906 1.332
201903 0.464 101.571 0.496
201906 -1.325 102.044 -1.410
201909 -1.625 101.396 -1.740
201912 -5.745 101.063 -6.171
202003 -7.407 101.048 -7.958
202006 -7.691 100.743 -8.288
202009 -2.396 100.585 -2.586
202012 -2.596 100.241 -2.811
202103 0.660 100.800 0.711
202106 -2.899 101.352 -3.105
202109 -3.045 101.533 -3.256
202112 -3.781 101.776 -4.033
202203 -2.988 103.205 -3.143
202206 -4.049 104.783 -4.195
202209 -5.683 104.835 -5.885
202212 -1.897 104.666 -1.968
202303 -2.044 106.245 -2.089
202306 -2.025 106.576 -2.063
202309 -1.533 106.570 -1.562
202312 0.148 106.461 0.151
202403 0.530 107.355 0.536
202406 0.753 107.991 0.757
202409 1.122 107.468 1.133
202412 1.311 107.128 1.329
202503 2.164 107.722 2.181
202506 1.779 108.075 1.787
202509 2.627 107.710 2.648
202512 3.013 107.200 3.051
202603 3.242 108.060 3.257
202606 4.811 108.560 4.811

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

What does a Cyclically Adjusted Book per Share of kr-0.14 mean?
TalkPool AG (OSTO:TALK) has a Cyclically Adjusted Book per Share of kr-0.14 as of Jun. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on TalkPool AG and its competitors.
Is TalkPool AG's Cyclically Adjusted Book per Share too high?
TalkPool AG's current Cyclically Adjusted Book per Share is kr-0.14. Overall, TalkPool AG has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TalkPool AG's Cyclically Adjusted Book per Share compare to VZ and TMUS?
TalkPool AG's Cyclically Adjusted Book per Share of kr-0.14 can be compared against companies in the Telecommunication Services industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for a Telecommunication Services company?
A good Cyclically Adjusted Book per Share depends on the Telecommunication Services industry context. However, Cyclically Adjusted Book per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on TalkPool AG and its competitors. TalkPool AG's current Cyclically Adjusted Book per Share is kr-0.14. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TalkPool AG stock overvalued right now?
Based on GuruFocus' analysis, TalkPool AG (OSTO:TALK) is currently considered Significantly Overvalued. The stock's GF Value™ is kr7.70, compared to a current price of kr13.80 — trading 79.2% above its estimated fair value. The current Cyclically Adjusted Book per Share is kr-0.14. TalkPool AG's overall GF Score™ is 60/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For TalkPool AG (OSTO:TALK), the current Cyclically Adjusted Book per Share is kr-0.14 as of Jun. 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 TalkPool AG (OSTO:TALK) Overvalued in 2026?

Based on GuruFocus' analysis, TalkPool AG stock appears to be overvalued. The current stock price of kr13.80 is trading 79.2% above its estimated GF Value™ of kr7.70. GuruFocus considers TalkPool AG to be Significantly Overvalued.

Key valuation signals for OSTO:TALK:

  • Cyclically Adjusted Book per Share: kr-0.14
  • GF Value™: kr7.70 vs. price of kr13.80 (79.2% above fair value)
  • GF Score™: 60/100 with 1 warning sign

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


TalkPool AG Business Description

Other Exchanges TKPL:Germany
Address Gauggelistrasse 7, Chur, CHE, CH-7000
TalkPool AG specializes in the design, integration, management, and optimization of communication networks and solutions. The company has built large telecom networks in over 50 countries on all continents. It offers services for the complete communication network life cycle from planning and implementation of new networks to operation and optimization and finally repair and consulting.
60GF Score

Get the complete analysis for OSTO:TALK

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

kr13.80
Price
kr7.70
GF Value