TANAF (Tianan Technology Group) ROE % Adjusted to Book Value: 0.00% (As of Dec. 2025)

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TANAF Tianan Technology Group Ltd TANAF
15 GF Score
Price $0.63
! 3 Warning Signs
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What is Tianan Technology Group ROE % Adjusted to Book Value?

Tianan Technology Group TANAF +4.24% 15 ROE % Adjusted to Book Value is 0.00% as of Dec. 2025. GuruFocus rates TANAF with a GF Score™ of 15/100. The stock has 3 warning signs investors should review.

Tianan Technology Group's ROE % for the quarter that ended in Dec. 2025 was 0.00%. Tianan Technology Group's PB Ratio for the quarter that ended in Dec. 2025 was N/A. Tianan Technology Group's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was N/A.

Tianan Technology Group ROE % Adjusted to Book Value Related Terms

Tianan Technology Group ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Tianan Technology Group's ROE % Adjusted to Book Value 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.

Tianan Technology Group ROE % Adjusted to Book Value Chart

Tianan Technology Group Annual Data
Trend Dec21 Dec22 Dec23 Dec24 Dec25
ROE % Adjusted to Book Value
0.00 0.00 0.00 Negative Equity 0.00

Tianan Technology Group Semi-Annual Data
Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
ROE % Adjusted to Book Value Get a 7-Day Free Trial Premium Member Only 0.00 0.00 Negative Equity 0.01 0.00

TANAF vs MODD, NMTC, RDGL: ROE % Adjusted to Book Value Comparison

For the Medical Devices subindustry, Tianan Technology Group's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value 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.

Tianan Technology Group ROE % Adjusted to Book Value vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Tianan Technology Group's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Tianan Technology Group's ROE % Adjusted to Book Value falls into.


TANAF
15GF Score
Tianan Technology Group Ltd TANAF
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Tianan Technology Group ROE % Adjusted to Book Value Calculation

Tianan Technology Group's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=0.00% / N/A
=N/A

Tianan Technology Group's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=0.00% / N/A
=N/A

* 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.

What does a ROE % Adjusted to Book Value of 0.00% mean?
Tianan Technology Group (TANAF) has a ROE % Adjusted to Book Value of 0.00% as of Dec. 2025. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Tianan Technology Group and its competitors.
Is Tianan Technology Group's ROE % Adjusted to Book Value too high?
Tianan Technology Group's current ROE % Adjusted to Book Value is 0.00%. Overall, Tianan Technology Group has a GF Score™ of 15/100, reflecting its overall financial health beyond just this single metric.
How does Tianan Technology Group's ROE % Adjusted to Book Value compare to MODD and NMTC?
Tianan Technology Group's ROE % Adjusted to Book Value of 0.00% can be compared against companies in the Medical Devices & Instruments industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for a Medical Devices & Instruments company?
A good ROE % Adjusted to Book Value depends on the Medical Devices & Instruments industry context. However, ROE % Adjusted to Book Value 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 ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Tianan Technology Group and its competitors. Tianan Technology Group's current ROE % Adjusted to Book Value is 0.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tianan Technology Group stock overvalued right now?
Tianan Technology Group (TANAF) has a current ROE % Adjusted to Book Value of 0.00%. The current ROE % Adjusted to Book Value is 0.00%. Tianan Technology Group's overall GF Score™ is 15/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Tianan Technology Group (TANAF), the current ROE % Adjusted to Book Value is 0.00% as of Dec. 2025. 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.

Tianan Technology Group Business Description

Address No. 525 Yuanjiang Road, 10th Floor, Building 5, Minhang District, Shanghai, CHN
Tianan Technology Group Ltd is focused on graphene production enterprises and is engaged in the health therapy industry. It utilizes the far-infrared heat therapy characteristics of graphene, which is incorporated into its products. Its products include Graphene Far Infrared Energy Room, Pure Graphene Heating Music Blanket, Graphene Pillow, Pure Graphene Heating Knee Compartment, Pure Graphene Heating Knee Pads, Pure Graphene Eye Mask, Intelligent graphene suspension moxibustion instrument, and Pure Graphene Eye Mask. The Company operates in one reportable business segment: Healthcare.
15GF Score

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ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

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