TLN (Talen Energy) Cyclically Adjusted Book per Share: $243.41 (As of Mar. 2026)


TLN Talen Energy Corp TLN
33 GF Score
Price $404.09
! 8 Warning Signs
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What is Talen Energy Cyclically Adjusted Book per Share?

Talen Energy TLN -3.05% 33 Cyclically Adjusted Book per Share is $243.41 as of Mar. 2026. GuruFocus rates TLN with a GF Score™ of 33/100. The stock has 8 warning signs 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.

Talen Energy's adjusted book value per share data for the fiscal year that ended in Dec. 2025 was $23.923. 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 $243.41 for the trailing ten years ended in Dec. 2025.

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 (2026-06-27), Talen Energy's current stock price is $ 404.09. Talen Energy's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec. 2025 was $243.41. Talen Energy's Cyclically Adjusted PB Ratio of today is 1.66.

During the past 10 years, the highest Cyclically Adjusted PB Ratio of Talen Energy was 1.66. The lowest was 1.24. And the median was 1.51.


Talen Energy  (NAS:TLN) 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.

Talen Energy's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=404.09/243.41
=1.66

* 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.

During the past 10 years, the highest Cyclically Adjusted PB Ratio of Talen Energy was 1.66. The lowest was 1.24. And the median was 1.51.


Be Aware

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


Talen Energy Cyclically Adjusted Book per Share Related Terms


Talen Energy Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Talen Energy'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.

Talen Energy Cyclically Adjusted Book per Share Chart

Talen Energy Annual Data
Trend Dec11 Dec12 Dec13 Dec14 Dec15 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 0.00 0.00 243.41

Talen Energy Quarterly Data
Mar15 Jun15 Sep15 Dec15 Mar16 Jun16 Sep16 Dec21 Dec22 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 0.00 0.00 0.00 243.41 0.00

TLN vs OKLO, NRG, KEN: Cyclically Adjusted Book per Share Comparison

For the Utilities - Independent Power Producers subindustry, Talen Energy'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.


Talen Energy Cyclically Adjusted PB Ratio vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, Talen Energy's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TLN
33GF Score
Talen Energy Corp TLN
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
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Talen Energy 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, Talen Energy's adjusted Book Value per Share data for the fiscal year that ended in Dec. 2025 was:

Adj_Book=Book Value per Share /CPI of Dec. 2025 (Change)*Current CPI (Dec. 2025)
=23.923/324.0540*324.0540
=23.923

Current CPI (Dec. 2025) = 324.0540.

Talen Energy Annual Data

Book Value per Share CPI Adj_Book
201112 0.000 225.672 0.000
201212 45.855 229.601 64.719
201312 57.444 233.049 79.876
201412 46.776 234.812 64.554
201512 33.484 236.525 45.875
202112 1,580.000 278.802 1,836.448
202212 -0.017 296.797 -0.019
202312 41.974 306.746 44.342
202412 30.177 315.605 30.985
202512 23.923 324.054 23.923

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 $243.41 mean?
Talen Energy (TLN) has a Cyclically Adjusted Book per Share of $243.41 as of Mar. 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 Talen Energy and its competitors.
Is Talen Energy's Cyclically Adjusted Book per Share too high?
Talen Energy's current Cyclically Adjusted Book per Share is $243.41. Overall, Talen Energy has a GF Score™ of 33/100, reflecting its overall financial health beyond just this single metric.
How does Talen Energy's Cyclically Adjusted Book per Share compare to OKLO and NRG?
Talen Energy's Cyclically Adjusted Book per Share of $243.41 can be compared against companies in the Utilities - Independent Power Producers 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 an Utilities - Independent Power Producers company?
A good Cyclically Adjusted Book per Share depends on the Utilities - Independent Power Producers 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 Talen Energy and its competitors. Talen Energy's current Cyclically Adjusted Book per Share is $243.41. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Talen Energy stock overvalued right now?
Talen Energy (TLN) has a current Cyclically Adjusted Book per Share of $243.41. The current Cyclically Adjusted Book per Share is $243.41. Talen Energy's overall GF Score™ is 33/100 with 8 warning signs 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 Talen Energy (TLN), the current Cyclically Adjusted Book per Share is $243.41 as of Mar. 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.

Talen Energy Business Description

Other Exchanges 1TLN:Italy
Address 2929 Allen Parkway, Suite 2200, Houston, TX, USA, 77019
Talen Energy Corp is an independent power producer and energy infrastructure company based in the United States. It owns and operates several gigawatts of power infrastructure in the United States, including 2.2GW of nuclear power and a dispatchable fossil fleet. The company produces and sells electricity, capacity, and ancillary services into wholesale U.S. power markets, with its generation fleet principally located in the Mid-Atlantic, Ohio, and Montana. Talen's operating segments are: PJM and Others. The PJM segment, which generates maximum revenue, is engaged in electricity generation, marketing activities, and commodity risk and fuel management within the PJM market and is comprised of Susquehanna and Talen's natural gas and coal generation facilities in PJM.
33GF Score

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

$404.09
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