Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Zephyr MineralsZPHYF -3.75% PB Ratio is 0.78 as of Aug. 02, 2026. The stock has 1 warning sign investors should review. Among 2,356 Metals & Mining companies, Zephyr Minerals ranks better than 85.14% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-08-02), Zephyr Minerals's share price is $0.03494. Zephyr Minerals's Book Value per Share for the quarter that ended in Dec. 2025 was $0.05. Hence, Zephyr Minerals's PB Ratio of today is 0.78.
The historical rank and industry rank for Zephyr Minerals's PB Ratio or its related term are showing as below:
ZPHYF'
s PB Ratio Range Over the Past 10 Years
Min: 0 Med: 0 Max: 0.73
Current: 0.73
During the past 13 years, Zephyr Minerals's highest PB Ratio was 0.73. The lowest was 0.00. And the median was 0.00.
ZPHYF's PB Ratio is ranked better than 85.14% of 2356
companies
in the Metals & Mining industry
Industry Median: 2.14
vs ZPHYF: 0.73
During the past 12 months, Zephyr Minerals's average Book Value Per Share Growth Rate was -4.60% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -13.30% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -12.40% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -0.30% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Zephyr Minerals was 39.60% per year. The lowest was -14.80% per year. And the median was 7.50% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Zephyr Minerals PB Ratio Related Terms
Zephyr Minerals PB Ratio Historical Data
* Premium members only.
The historical data trend for Zephyr Minerals's PB Ratio 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.
For the Gold subindustry, Zephyr Minerals's PB Ratio, along with its competitors' market caps and 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.
Zephyr Minerals PB Ratio vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Zephyr Minerals's PB Ratio distribution charts can be found below:
* The bar in red indicates where Zephyr Minerals's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Zephyr Minerals's PB Ratio for today is calculated as follows:
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Zephyr Minerals (ZPHYF) has a PB Ratio of 0.78 as of Aug. 02, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Zephyr Minerals and its competitors. According to the industry distribution chart, Zephyr Minerals ranks #350 out of 2356 companies in the Metals & Mining industry, placing it in the top 14.9%.
Is Zephyr Minerals' PB Ratio too high?
Zephyr Minerals' current PB Ratio is 0.78. The Metals & Mining industry median PB Ratio is 2.14. Zephyr Minerals' value of 0.78 is 63.6% below this industry median. Based on the distribution chart, Zephyr Minerals ranks #350 out of 2356 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers.
How does Zephyr Minerals' PB Ratio compare to NEM and AU?
According to the Metals & Mining industry distribution chart, Zephyr Minerals ranks #350 out of 2356 companies for PB Ratio. This places Zephyr Minerals in the top 15% of its industry — outperforming the majority of peers. The industry median PB Ratio is 2.14. Zephyr Minerals' value of 0.78 is 63.6% below this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Metals & Mining company?
The median PB Ratio among Metals & Mining companies is 2.14, based on 2,356 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Zephyr Minerals's current PB Ratio of 0.78 is 63.6% below 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Zephyr Minerals and its competitors. For the Metals & Mining industry, the median PB Ratio is 2.14 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Zephyr Minerals's current PB Ratio is 0.78. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Zephyr Minerals stock overvalued right now?
Zephyr Minerals (ZPHYF) has a current PB Ratio of 0.78. The current PB Ratio is 0.78 and 63.6% below the Metals & Mining industry median of 2.14. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Zephyr Minerals (ZPHYF), the current PB Ratio is 0.78 as of Aug. 02, 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.
Zephyr Minerals Ltd is an exploration stage mining company. The company operates in one segment, the exploration and evaluation of mineral properties. Geographically, it operates in USA and Zimbabwe. Its property in USA includes Dawson, and in Zimbabwe includes Nyanga North, MC Gold, MAP Gold, and MC-2 Gold.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ZPHYF has been successfully added to your 
