TransAlta (FRA:TZ1) Cyclically Adjusted PB Ratio: 3.06 (As of Aug. 07, 2026) — 135% Above Median

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FRA:TZ1 TransAlta Corp FRA:TZ1
59 GF Score
Price €10.87
GF Value €7.01
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is TransAlta Cyclically Adjusted PB Ratio?

TransAlta FRA:TZ1 -1.00% 59 Cyclically Adjusted PB Ratio is 3.06 as of Aug. 07, 2026, which is 135% above its 10-year median of 1.30. GuruFocus rates FRA:TZ1 with a GF Score™ of 59/100 and a GF Value™ of €7.01 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 277 Utilities - Independent Power Producers companies, TransAlta ranks worse than 82.67% on this metric.

As of today (2026-08-07), TransAlta's current share price is €10.87. TransAlta's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was €3.55. TransAlta's Cyclically Adjusted PB Ratio for today is 3.06.

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

FRA:TZ1' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.46   Med: 1.3   Max: 3.85
Current: 2.97

During the past years, TransAlta's highest Cyclically Adjusted PB Ratio was 3.85. The lowest was 0.46. And the median was 1.30.

FRA:TZ1's Cyclically Adjusted PB Ratio is ranked worse than
82.67% of 277 companies
in the Utilities - Independent Power Producers industry
Industry Median: 1.08 vs FRA:TZ1: 2.97

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.

TransAlta's adjusted book value per share data for the three months ended in Jun. 2026 was €1.642. 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 €3.55 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


TransAlta  (FRA:TZ1) 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.


TransAlta Cyclically Adjusted PB Ratio Related Terms


TransAlta Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for TransAlta'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.

TransAlta Cyclically Adjusted PB Ratio Chart

TransAlta 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 1.64 1.50 1.47 2.93 2.80

TransAlta 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 2.21 2.95 2.80 3.02 3.33

FRA:TZ1 vs CEG, VST, NRG: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Independent Power Producers subindustry, TransAlta'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.


TransAlta Cyclically Adjusted PB Ratio vs Utilities - Independent Power Producers Industry

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

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


FRA:TZ1
59GF Score
TransAlta Corp FRA:TZ1
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

TransAlta 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=10.87/3.55
=3.06

* 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.

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

For example, TransAlta'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)
=1.642/133.5265*133.5265
=1.642

Current CPI (Jun. 2026) = 133.5265.

TransAlta Quarterly Data

Book Value per Share CPI Adj_Book
201609 5.822 101.765 7.639
201612 6.342 101.449 8.347
201703 6.295 102.634 8.190
201706 5.892 103.029 7.636
201709 5.817 103.345 7.516
201712 5.480 103.345 7.080
201803 5.298 105.004 6.737
201806 5.344 105.557 6.760
201809 5.111 105.636 6.460
201812 4.720 105.399 5.980
201903 4.500 106.979 5.617
201906 4.522 107.690 5.607
201909 4.780 107.611 5.931
201912 4.977 107.769 6.167
202003 4.820 107.927 5.963
202006 4.734 108.401 5.831
202009 4.028 108.164 4.972
202012 3.348 108.559 4.118
202103 3.462 110.298 4.191
202106 3.135 111.720 3.747
202109 1.701 112.905 2.012
202112 1.633 113.774 1.917
202203 1.996 117.646 2.265
202206 1.725 120.806 1.907
202209 1.675 120.648 1.854
202212 0.435 120.964 0.480
202303 1.139 122.702 1.239
202306 1.406 124.203 1.512
202309 2.498 125.230 2.663
202312 1.325 125.072 1.415
202403 1.936 126.258 2.047
202406 1.931 127.522 2.022
202409 1.943 127.285 2.038
202412 1.812 127.364 1.900
202503 1.716 129.181 1.774
202506 1.363 129.892 1.401
202509 1.229 130.287 1.260
202512 0.954 130.366 0.977
202603 0.985 132.262 0.994
202606 1.642 133.527 1.642

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 3.06 mean?
TransAlta (FRA:TZ1) has a Cyclically Adjusted PB Ratio of 3.06 as of Aug. 07, 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 TransAlta and its competitors. This is 135% above median its historical median of 1.30. Over the past decade, TransAlta's Cyclically Adjusted PB Ratio has ranged from 0.46 to 3.85. According to the industry distribution chart, TransAlta ranks #229 out of 277 companies in the Utilities - Independent Power Producers industry, placing it in the top 82.7%.
Is TransAlta's Cyclically Adjusted PB Ratio too high?
TransAlta's current Cyclically Adjusted PB Ratio of 3.06 is 135% above median its 10-year median of 1.30. Over the past 10 years, this metric has ranged from a low of 0.46 to a high of 3.85. The Utilities - Independent Power Producers industry median Cyclically Adjusted PB Ratio is 1.08. TransAlta's value of 3.06 is 183.3% above this industry median. Based on the distribution chart, TransAlta ranks #229 out of 277 companies in the Utilities - Independent Power Producers industry, which is in the bottom quartile relative to peers. Overall, TransAlta has a GF Score™ of 59/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TransAlta's Cyclically Adjusted PB Ratio compare to CEG and VST?
According to the Utilities - Independent Power Producers industry distribution chart, TransAlta ranks #229 out of 277 companies for Cyclically Adjusted PB Ratio. This places TransAlta in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.08. TransAlta's value of 3.06 is 183.3% above this benchmark. Historically, TransAlta's own Cyclically Adjusted PB Ratio has ranged from 0.46 to 3.85 over the past decade. While the company's 10-year median is 1.30 vs. the industry median of 1.08, TransAlta 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 an Utilities - Independent Power Producers company?
The median Cyclically Adjusted PB Ratio among Utilities - Independent Power Producers companies is 1.08, based on 277 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. TransAlta's current Cyclically Adjusted PB Ratio of 3.06 is 183.3% 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 TransAlta and its competitors. For the Utilities - Independent Power Producers industry, the median Cyclically Adjusted PB Ratio is 1.08 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TransAlta's current Cyclically Adjusted PB Ratio is 3.06, which is 135% above median its own 10-year median of 1.30. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TransAlta stock overvalued right now?
Based on GuruFocus' analysis, TransAlta (FRA:TZ1) is currently considered Significantly Overvalued. The stock's GF Value™ is €7.01, compared to a current price of €10.87 — trading 55.1% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.06, which is 135% above median its 10-year median of 1.30 and 183.3% above the Utilities - Independent Power Producers industry median of 1.08. TransAlta's overall GF Score™ is 59/100 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 TransAlta (FRA:TZ1), the current Cyclically Adjusted PB Ratio is 3.06 as of Aug. 07, 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 TransAlta (FRA:TZ1) Overvalued in 2026?

Based on GuruFocus' analysis, TransAlta stock appears to be overvalued. The current stock price of €10.87 is trading 55.1% above its estimated GF Value™ of €7.01. GuruFocus considers TransAlta to be Significantly Overvalued.

Key valuation signals for FRA:TZ1:

  • Cyclically Adjusted PB Ratio: 3.06 (135% above median its 10-year median of 1.30)
  • GF Value™: €7.01 vs. price of €10.87 (55.1% above fair value)
  • GF Score™: 59/100 with 4 warning signs
  • Industry Position: 183.3% above the Utilities - Independent Power Producers median (#229 of 277)

No single metric tells the full story. See the FRA:TZ1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


TransAlta Business Description

Address 1100 1st Street SE, TransAlta Place, Suite 1400, Calgary, AB, CAN, T2G 1B1
TransAlta Corp is an independent power producer based in Alberta, Canada. The company operates a diverse electrical power generation assets in Canada, the United States, and Western Australia. The company has reportable segments namely, Hydro, Wind & Solar, Gas, Energy Transition segment and Corporate Segment. The company generates the majority of its revenue from the gas segment.
59GF Score

Get the complete analysis for FRA:TZ1

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

€10.87
Price
€7.01
GF Value