Mercury NZMGHTF +8.44%72 5-Year Yield-on-Cost % is 5.05 as of Jul. 07, 2026, which is 5% below its 10-year median of 5.31. GuruFocus rates MGHTF with a GF Score™ of 72/100 and a GF Value™ of $3.98 (Fairly Valued). The stock has 11 warning signs investors should review. Among 237 Utilities - Independent Power Producers companies, Mercury NZ ranks better than 68.35% on this metric.
Mercury NZ's yield on cost for the quarter that ended in Dec. 2025 was 5.05.
The historical rank and industry rank for Mercury NZ's 5-Year Yield-on-Cost % or its related term are showing as below:
MGHTF'
s 5-Year Yield-on-Cost % Range Over the Past 10 Years
Min: 3.34 Med: 5.31 Max: 7.68
Current: 5.05
During the past 13 years, Mercury NZ's highest Yield on Cost was 7.68. The lowest was 3.34. And the median was 5.31.
MGHTF's 5-Year Yield-on-Cost % is ranked better than 68.35% of 237
companies
in the Utilities - Independent Power Producers industry
Industry Median: 3.78
vs MGHTF: 5.05
Of course the risk here is that the company may not raise its dividends as it did before. The key is to select the companies that can consistently raise its dividends. Usually companies with long history of raising dividends tend to do so.
For the Utilities - Renewable subindustry, Mercury NZ's 5-Year Yield-on-Cost %, along with its competitors' market caps and 5-Year Yield-on-Cost % 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 5-Year Yield-on-Cost % vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, Mercury NZ's 5-Year Yield-on-Cost % distribution charts can be found below:
* The bar in red indicates where Mercury NZ's 5-Year Yield-on-Cost % falls into.
Dividend Yield % and dividend growth of a stock is an important factor for income investors. But if company A raises its dividend constantly faster than company B, company A's future dividend yield might be much higher than Company B's even if their yields are the same now and their stock prices do not change.
Yield on Cost assumes that you buy and the stock today, and hold it for 5 years. If the company raises it dividends at the same rate as it did over the past 5 years, the dividends investors receive annually in 5 years relative to the stock price today.
Therefore, Yield-on-Cost of Mercury NZ is calculated as
Mercury NZ (MGHTF) has a 5-Year Yield-on-Cost % of 5.05 as of Jul. 07, 2026. 5-Year Yield on Cost measures the expected yield based on a company's current yield and 5-year dividend growth. View historical data on Mercury NZ and its competitors. This is near median its historical median of 5.31. Over the past decade, Mercury NZ's 5-Year Yield-on-Cost % has ranged from 3.34 to 7.68. According to the industry distribution chart, Mercury NZ ranks #75 out of 237 companies in the Utilities - Independent Power Producers industry, placing it in the top 31.6%.
Is Mercury NZ's 5-Year Yield-on-Cost % too high?
Mercury NZ's current 5-Year Yield-on-Cost % of 5.05 is near median its 10-year median of 5.31. Over the past 10 years, this metric has ranged from a low of 3.34 to a high of 7.68. The Utilities - Independent Power Producers industry median 5-Year Yield-on-Cost % is 3.78. Mercury NZ's value of 5.05 is 33.6% above this industry median. Based on the distribution chart, Mercury NZ ranks #75 out of 237 companies in the Utilities - Independent Power Producers industry, which is above the industry midpoint. Overall, Mercury NZ has a GF Score™ of 72/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Mercury NZ's 5-Year Yield-on-Cost % compare to competitors?
According to the Utilities - Independent Power Producers industry distribution chart, Mercury NZ ranks #75 out of 237 companies for 5-Year Yield-on-Cost %. This puts Mercury NZ in the upper half of its industry. The industry median 5-Year Yield-on-Cost % is 3.78. Mercury NZ's value of 5.05 is 33.6% above this benchmark. Historically, Mercury NZ's own 5-Year Yield-on-Cost % has ranged from 3.34 to 7.68 over the past decade. While the company's 10-year median is 5.31 vs. the industry median of 3.78, Mercury NZ 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 5-Year Yield-on-Cost % for an Utilities - Independent Power Producers company?
The median 5-Year Yield-on-Cost % among Utilities - Independent Power Producers companies is 3.78, based on 237 companies in the industry. Companies in the top quartile (top 25%) have a 5-Year Yield-on-Cost % significantly above this median, while those in the bottom quartile fall well below. However, 5-Year Yield-on-Cost % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Mercury NZ's current 5-Year Yield-on-Cost % of 5.05 is 33.6% 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 5-Year Yield-on-Cost % mean?
A high 5-Year Yield-on-Cost % can signal that a stock is expensive relative to its fundamentals. 5-Year Yield on Cost measures the expected yield based on a company's current yield and 5-year dividend growth. View historical data on Mercury NZ and its competitors. For the Utilities - Independent Power Producers industry, the median 5-Year Yield-on-Cost % is 3.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Mercury NZ's current 5-Year Yield-on-Cost % is 5.05, which is near median its own 10-year median of 5.31. 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 $3.98, compared to a current price of $4.37 — trading 9.8% above its estimated fair value. The current 5-Year Yield-on-Cost % is 5.05, which is near median its 10-year median of 5.31 and 33.6% above the Utilities - Independent Power Producers industry median of 3.78. Mercury NZ's overall GF Score™ is 72/100 with 11 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 5-Year Yield-on-Cost % calculated?
5-Year Yield-on-Cost % is calculated from a company's financial statements. For Mercury NZ (MGHTF), the current 5-Year Yield-on-Cost % is 5.05 as of Jul. 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 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 9.8% above its estimated GF Value™ of $3.98.
GuruFocus considers Mercury NZ to be Fairly Valued.
Key valuation signals for MGHTF:
5-Year Yield-on-Cost %: 5.05 (near median its 10-year median of 5.31)
GF Value™: $3.98 vs. price of $4.37 (9.8% above fair value)
Industry Position: 33.6% above the Utilities - Independent Power Producers median (#75 of 237)
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 (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.
72GF Score
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