TAG Oil (FRA:T0P) Cyclically Adjusted Book per Share: €0.30 (As of Mar. 2026)


What is TAG Oil Cyclically Adjusted Book per Share?

TAG Oil FRA:T0P +66.67% Cyclically Adjusted Book per Share is €0.30 as of Mar. 2026.

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.

TAG Oil's adjusted book value per share for the three months ended in Mar. 2026 was €0.097. 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 €0.30 for the trailing ten years ended in Mar. 2026.

During the past 12 months, TAG Oil's average Cyclically Adjusted Book Growth Rate was -26.10% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was -29.00% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was -20.50% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was -9.40% per year. 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.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of TAG Oil was 10.60% per year. The lowest was -29.00% per year. And the median was -3.25% per year.

As of today (2026-07-07), TAG Oil's current stock price is €0.05. TAG Oil's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €0.30. TAG Oil's Cyclically Adjusted PB Ratio of today is 0.17.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of TAG Oil was 0.47. The lowest was 0.05. And the median was 0.18.


TAG Oil  (FRA:T0P) 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.

TAG Oil's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=0.05/0.30
=0.17

* 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 13 years, the highest Cyclically Adjusted PB Ratio of TAG Oil was 0.47. The lowest was 0.05. And the median was 0.18.


Be Aware

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


TAG Oil Cyclically Adjusted Book per Share Related Terms


TAG Oil Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for TAG Oil'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.

TAG Oil Cyclically Adjusted Book per Share Chart

TAG Oil Annual Data
Trend Mar16 Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.23 1.33 1.00 0.63 0.41

TAG Oil Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 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 0.58 0.52 0.47 0.41 0.30

FRA:T0P vs COP, EOG, FANG: Cyclically Adjusted Book per Share Comparison

For the Oil & Gas E&P subindustry, TAG Oil'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.


TAG Oil Cyclically Adjusted PB Ratio vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, TAG Oil's Cyclically Adjusted PB Ratio distribution charts can be found below:

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



TAG Oil 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, TAG Oil's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book= Book Value per Share /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=0.097/132.2623*132.2623
=0.097

Current CPI (Mar. 2026) = 132.2623.

TAG Oil Quarterly Data

Book Value per Share CPI Adj_Book
201606 0.861 102.002 1.116
201609 0.848 101.765 1.102
201612 0.839 101.449 1.094
201703 0.992 102.634 1.278
201706 0.950 103.029 1.220
201709 0.875 103.345 1.120
201712 0.841 103.345 1.076
201803 0.918 105.004 1.156
201806 0.922 105.557 1.155
201809 0.439 105.636 0.550
201812 0.464 105.399 0.582
201903 0.474 106.979 0.586
201906 0.454 107.690 0.558
201909 0.468 107.611 0.575
201912 0.448 107.769 0.550
202003 0.427 107.927 0.523
202006 0.222 108.401 0.271
202009 0.202 108.164 0.247
202012 0.163 108.559 0.199
202103 0.146 110.298 0.175
202106 0.141 111.720 0.167
202109 0.133 112.905 0.156
202112 0.128 113.774 0.149
202203 0.135 117.646 0.152
202206 0.138 120.806 0.151
202209 0.146 120.648 0.160
202212 0.174 120.964 0.190
202303 0.171 122.702 0.184
202306 0.168 124.203 0.179
202309 0.187 125.230 0.198
202312 0.172 125.072 0.182
202403 0.171 126.258 0.179
202406 0.164 127.522 0.170
202409 0.152 127.285 0.158
202412 0.147 127.364 0.153
202503 0.135 129.181 0.138
202506 0.127 129.892 0.129
202509 0.122 130.287 0.124
202512 0.117 130.366 0.119
202603 0.097 132.262 0.097

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 €0.30 mean?
TAG Oil (FRA:T0P) has a Cyclically Adjusted Book per Share of €0.30 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 TAG Oil and its competitors.
Is TAG Oil's Cyclically Adjusted Book per Share too high?
TAG Oil's current Cyclically Adjusted Book per Share is €0.30.
How does TAG Oil's Cyclically Adjusted Book per Share compare to COP and EOG?
TAG Oil's Cyclically Adjusted Book per Share of €0.30 can be compared against companies in the Oil & Gas 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 Oil & Gas company?
A good Cyclically Adjusted Book per Share depends on the Oil & Gas 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 TAG Oil and its competitors. TAG Oil's current Cyclically Adjusted Book per Share is €0.30. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TAG Oil stock overvalued right now?
Based on GuruFocus' analysis, TAG Oil (FRA:T0P) is currently considered Significantly Undervalued. The stock's GF Value™ is €0.20, compared to a current price of €0.05 — trading 75% below its estimated fair value. The current Cyclically Adjusted Book per Share is €0.30. 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 TAG Oil (FRA:T0P), the current Cyclically Adjusted Book per Share is €0.30 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.

TAG Oil Business Description

Industry EnergyOil & Gas
Other Exchanges TAOIF:USATAO:Canada
Address 1050 West Pender Street, Suite 1710, Vancouver, BC, CAN, V6E 3S7
TAG Oil Ltd is focused on oil and gas exploration and development opportunities in the Middle East and North Africa. The company is developing the unconventional heavy oil Abu Roash F (ARF) formation in the Badr oil field (BED-1) and Southeast Ras Qattara (SERQ) concessions.