RTARF (Restar) ROE % Adjusted to Book Value: 13.40% (As of Dec. 2025)


RTARF Restar Corp RTARF
84 GF Score
Price $14.30
GF Value $10.88
! 6 Warning Signs
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What is Restar ROE % Adjusted to Book Value?

Restar RTARF 84 ROE % Adjusted to Book Value is 13.40% as of Dec. 2025. GuruFocus rates RTARF with a GF Score™ of 84/100 and a GF Value™ of $10.88. The stock has 6 warning signs investors should review.

Restar's ROE % for the quarter that ended in Dec. 2025 was 9.38%. Restar's PB Ratio for the quarter that ended in Dec. 2025 was 0.70. Restar's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was 13.40%.

Restar ROE % Adjusted to Book Value Related Terms

Restar ROE % Adjusted to Book Value Historical Data

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The historical data trend for Restar'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.

Restar ROE % Adjusted to Book Value Chart

Restar Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 11.85 10.54 12.57 12.25

Restar Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
ROE % Adjusted to Book Value 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 14.03 2.41 8.88 13.40 24.96

RTARF vs NVDA, AVGO, MU: ROE % Adjusted to Book Value Comparison

For the Semiconductors subindustry, Restar'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.

Restar ROE % Adjusted to Book Value vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Restar's ROE % Adjusted to Book Value distribution charts can be found below:

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


RTARF
84GF Score
Restar Corp RTARF
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Restar ROE % Adjusted to Book Value Calculation

Restar's ROE % Adjusted to Book Value for the fiscal year that ended in Mar. 2026 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=8.33% / 0.68
=12.25%

Restar'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
=9.38% / 0.70
=13.40%

* 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 13.40% mean?
Restar (RTARF) has a ROE % Adjusted to Book Value of 13.40% 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 Restar and its competitors.
Is Restar's ROE % Adjusted to Book Value too high?
Restar's current ROE % Adjusted to Book Value is 13.40%. Overall, Restar has a GF Score™ of 84/100, reflecting its overall financial health beyond just this single metric.
How does Restar's ROE % Adjusted to Book Value compare to NVDA and AVGO?
Restar's ROE % Adjusted to Book Value of 13.40% can be compared against companies in the Semiconductors 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 Semiconductors company?
A good ROE % Adjusted to Book Value depends on the Semiconductors 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 Restar and its competitors. Restar's current ROE % Adjusted to Book Value is 13.40%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Restar stock overvalued right now?
Restar (RTARF) has a current ROE % Adjusted to Book Value of 13.40%. The stock's GF Value™ is $10.88, compared to a current price of $14.30 — trading 31.4% above its estimated fair value. The current ROE % Adjusted to Book Value is 13.40%. Restar's overall GF Score™ is 84/100 with 6 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 Restar (RTARF), the current ROE % Adjusted to Book Value is 13.40% 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.

Is Restar (RTARF) Overvalued in 2026?

Based on GuruFocus' analysis, Restar stock appears to be overvalued. The current stock price of $14.30 is trading 31.4% above its estimated GF Value™ of $10.88.

Key valuation signals for RTARF:

  • ROE % Adjusted to Book Value: 13.40%
  • GF Value™: $10.88 vs. price of $14.30 (31.4% above fair value)
  • GF Score™: 84/100 with 6 warning signs

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

Restar Business Description

Other Exchanges 3156:Japan
Address Lester Building, 10-9 Konan 2-chome, Minato-ku, Tokyo, JPN, 108-0075
Restar Corp manufactures and distributes semiconductors and electronic components. The company offers semiconductors/modules, optical components, displays, industrial lasers, sensors, measuring instruments/filters, batteries, quartz crystal devices, adhesive materials/optical materials, and speakers/receivers. It also provides electronic manufacturing services.
84GF 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.

$14.30
Price
$10.88
GF Value