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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.
South Manganese InvestmentHKSE:01091 -1.30%44 PB Ratio is 0.64 as of Aug. 28, 2026, which is 19% above its 10-year median of 0.54. GuruFocus rates HKSE:01091 with a GF Score™ of 44/100 and a GF Value™ of HK$0.14 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 2,365 Metals & Mining companies, South Manganese Investment ranks better than 88.71% on this metric.
The historical rank and industry rank for South Manganese Investment's PB Ratio or its related term are showing as below:
HKSE:01091'
s PB Ratio Range Over the Past 10 Years
Min: 0.19 Med: 0.54 Max: 2.26
Current: 0.64
During the past 13 years, South Manganese Investment's highest PB Ratio was 2.26. The lowest was 0.19. And the median was 0.54.
HKSE:01091's PB Ratio is ranked better than 88.71% of 2365
companies
in the Metals & Mining industry
Industry Median: 2.44
vs HKSE:01091: 0.64
During the past 12 months, South Manganese Investment's average Book Value Per Share Growth Rate was -14.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -13.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -5.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -1.60% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of South Manganese Investment was 86.60% per year. The lowest was -13.80% per year. And the median was -2.25% 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.
South Manganese Investment PB Ratio Related Terms
South Manganese Investment PB Ratio Historical Data
* 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.
South Manganese Investment PB Ratio Competitor Comparison
For the Other Industrial Metals & Mining subindustry, South Manganese Investment'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.
South Manganese Investment PB Ratio vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, South Manganese Investment's PB Ratio distribution charts can be found below:
* The bar in red indicates where South Manganese Investment'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.
* 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.
South Manganese Investment (HKSE:01091) has a PB Ratio of 0.64 as of Aug. 28, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on South Manganese Investment and its competitors. This is 19% above median its historical median of 0.54. Over the past decade, South Manganese Investment's PB Ratio has ranged from 0.19 to 2.26. According to the industry distribution chart, South Manganese Investment ranks #267 out of 2365 companies in the Metals & Mining industry, placing it in the top 11.3%.
Is South Manganese Investment's PB Ratio too high?
South Manganese Investment's current PB Ratio of 0.64 is 19% above median its 10-year median of 0.54. Over the past 10 years, this metric has ranged from a low of 0.19 to a high of 2.26. The Metals & Mining industry median PB Ratio is 2.44. South Manganese Investment's value of 0.64 is 73.8% below this industry median. Based on the distribution chart, South Manganese Investment ranks #267 out of 2365 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, South Manganese Investment has a GF Score™ of 44/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does South Manganese Investment's PB Ratio compare to competitors?
According to the Metals & Mining industry distribution chart, South Manganese Investment ranks #267 out of 2365 companies for PB Ratio. This places South Manganese Investment in the top 11% of its industry — outperforming the majority of peers. The industry median PB Ratio is 2.44. South Manganese Investment's value of 0.64 is 73.8% below this benchmark. Historically, South Manganese Investment's own PB Ratio has ranged from 0.19 to 2.26 over the past decade. While the company's 10-year median is 0.54 vs. the industry median of 2.44, South Manganese Investment has consistently been below 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 PB Ratio for a Metals & Mining company?
The median PB Ratio among Metals & Mining companies is 2.44, based on 2,365 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. South Manganese Investment's current PB Ratio of 0.64 is 73.8% 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 South Manganese Investment and its competitors. For the Metals & Mining industry, the median PB Ratio is 2.44 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. South Manganese Investment's current PB Ratio is 0.64, which is 19% above median its own 10-year median of 0.54. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is South Manganese Investment stock overvalued right now?
Based on GuruFocus' analysis, South Manganese Investment (HKSE:01091) is currently considered Significantly Overvalued. The stock's GF Value™ is HK$0.14, compared to a current price of HK$0.38 — trading 171.4% above its estimated fair value. The current PB Ratio is 0.64, which is 19% above median its 10-year median of 0.54 and 73.8% below the Metals & Mining industry median of 2.44. South Manganese Investment's overall GF Score™ is 44/100 with 4 warning signs to review. 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 South Manganese Investment (HKSE:01091), the current PB Ratio is 0.64 as of Aug. 28, 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 South Manganese Investment (HKSE:01091) Overvalued in 2026?
Based on GuruFocus' analysis, South Manganese Investment stock appears to be overvalued.
The current stock price of HK$0.38 is trading 171.4% above its estimated GF Value™ of HK$0.14.
GuruFocus considers South Manganese Investment to be Significantly Overvalued.
Key valuation signals for HKSE:01091:
PB Ratio: 0.64 (19% above median its 10-year median of 0.54)
GF Value™: HK$0.14 vs. price of HK$0.38 (171.4% above fair value)
Industry Position: 73.8% below the Metals & Mining median (#267 of 2365)
No single metric tells the full story. See the HKSE:01091 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
South Manganese Investment Ltd is a mining company engaged in manganese mining, ore processing in China and Gabon, and downstream processing operations in the PRC. The company operates in four segments namely Manganese mining which engages in the mining and production of manganese products including mining, beneficiation, concentrating, grinding and the production of manganese concentrates; EMM and alloying materials production segment comprise hydrometallurgical processing and pyrometallurgical processing; Battery materials production segment engages in the production and sale of battery materials products, including Electrolytic Manganese Dioxide; and others business segment includes trading of various commodities such as manganese ore, sales of scraps, and others.
44GF Score
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