MGHTF (Mercury NZ) ROE % Adjusted to Book Value: 0.40% (As of Dec. 2025)


MGHTF Mercury NZ Ltd MGHTF
79 GF Score
Price $4.37
GF Value $4.06
Valuation Fairly Valued
! 11 Warning Signs
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What is Mercury NZ ROE % Adjusted to Book Value?

Mercury NZ MGHTF +8.44% 79 ROE % Adjusted to Book Value is 0.40% as of Dec. 2025. GuruFocus rates MGHTF with a GF Score™ of 79/100 and a GF Value™ of $4.06 (Fairly Valued). The stock has 11 warning signs investors should review.

Mercury NZ's ROE % for the quarter that ended in Dec. 2025 was 0.81%. Mercury NZ's PB Ratio for the quarter that ended in Dec. 2025 was 2.05. Mercury NZ's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was 0.40%.

Mercury NZ ROE % Adjusted to Book Value Related Terms

Mercury NZ ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Mercury NZ'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.

Mercury NZ ROE % Adjusted to Book Value Chart

Mercury NZ Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.13 6.10 1.18 3.10 0.01

Mercury NZ Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 3.97 2.48 -1.35 1.58 0.40

Mercury NZ ROE % Adjusted to Book Value Competitor Comparison

For the Utilities - Renewable subindustry, Mercury NZ'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.

Mercury NZ ROE % Adjusted to Book Value vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, Mercury NZ's ROE % Adjusted to Book Value distribution charts can be found below:

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


MGHTF
79GF Score
Mercury NZ Ltd MGHTF
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Mercury NZ ROE % Adjusted to Book Value Calculation

Mercury NZ's ROE % Adjusted to Book Value for the fiscal year that ended in Jun. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=0.02% / 1.84
=0.01%

Mercury NZ'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
=0.81% / 2.05
=0.40%

* 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 0.40% mean?
Mercury NZ (MGHTF) has a ROE % Adjusted to Book Value of 0.40% 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 Mercury NZ and its competitors.
Is Mercury NZ's ROE % Adjusted to Book Value too high?
Mercury NZ's current ROE % Adjusted to Book Value is 0.40%. Overall, Mercury NZ has a GF Score™ of 79/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Mercury NZ's ROE % Adjusted to Book Value compare to competitors?
Mercury NZ's ROE % Adjusted to Book Value of 0.40% 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 ROE % Adjusted to Book Value for an Utilities - Independent Power Producers company?
A good ROE % Adjusted to Book Value depends on the Utilities - Independent Power Producers 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 Mercury NZ and its competitors. Mercury NZ's current ROE % Adjusted to Book Value is 0.40%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mercury NZ stock overvalued right now?
Based on GuruFocus' analysis, Mercury NZ (MGHTF) is currently considered Fairly Valued. The stock's GF Value™ is $4.06, compared to a current price of $4.37 — trading 7.6% above its estimated fair value. The current ROE % Adjusted to Book Value is 0.40%. Mercury NZ's overall GF Score™ is 79/100 with 11 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 Mercury NZ (MGHTF), the current ROE % Adjusted to Book Value is 0.40% 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 Mercury NZ (MGHTF) Overvalued in 2026?

Based on GuruFocus' analysis, Mercury NZ stock appears to be overvalued. The current stock price of $4.37 is trading 7.6% above its estimated GF Value™ of $4.06. GuruFocus considers Mercury NZ to be Fairly Valued.

Key valuation signals for MGHTF:

  • ROE % Adjusted to Book Value: 0.40%
  • GF Value™: $4.06 vs. price of $4.37 (7.6% above fair value)
  • GF Score™: 79/100 with 11 warning signs

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

Mercury NZ Business Description

Address 33 Broadway, The Mercury Building, Newmarket, Auckland, NTL, NZL, 1023
Mercury NZ (formerly Mighty River Power) generates more than 15% of New Zealand's electricity and is one of the four major electricity generators and suppliers in the country. All electricity is generated from renewable sources, which makes it one of the lowest-cost providers of electricity. The company operates nine hydro stations and five geothermal power plants in the North Island and some wind farms. Mercury sells electricity to residential and commercial customers and has the largest share of the key Auckland market.
79GF 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.

$4.37
Price
$4.06
GF Value