AFBOF (African Rainbow Minerals) 3-Year Book Growth Rate: 6.60% (As of Dec. 2025) — 36% Below Median

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Director of Data and Quant Analytics at GuruFocus
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.
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Founder & CEO of GuruFocus
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.

AFBOF African Rainbow Minerals Ltd AFBOF
81 GF Score
Price $10.09
GF Value $12.60
Valuation Modestly Undervalued
! 6 Warning Signs
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What is African Rainbow Minerals 3-Year Book Growth Rate?

African Rainbow Minerals AFBOF 81 3-Year Book Growth Rate is 6.60% as of Dec. 2025, which is 36% below its 10-year median of 10.30. GuruFocus rates AFBOF with a GF Score™ of 81/100 and a GF Value™ of $12.60 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 2,180 Metals & Mining companies, African Rainbow Minerals ranks better than 69.77% on this metric.

African Rainbow Minerals's Book Value per Share for the quarter that ended in Dec. 2025 was $18.97.

During the past 12 months, African Rainbow Minerals's average Book Value per Share Growth Rate was 18.90% per year. During the past 3 years, the average Book Value per Share Growth Rate was 6.60% per year. During the past 5 years, the average Book Value per Share Growth Rate was 11.10% per year. During the past 10 years, the average Book Value per Share Growth Rate was 10.70% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.

During the past 13 years, the highest 3-Year average Book Value per Share Growth Rate of African Rainbow Minerals was 32.50% per year. The lowest was -12.80% per year. And the median was 10.30% per year.


African Rainbow Minerals  (OTCPK:AFBOF) 3-Year Book Growth Rate Explanation

Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.


African Rainbow Minerals 3-Year Book Growth Rate Related Terms


African Rainbow Minerals 3-Year Book Growth Rate Competitor Comparison

For the Other Industrial Metals & Mining subindustry, African Rainbow Minerals's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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.


African Rainbow Minerals 3-Year Book Growth Rate vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, African Rainbow Minerals's 3-Year Book Growth Rate distribution charts can be found below:

* The bar in red indicates where African Rainbow Minerals's 3-Year Book Growth Rate falls into.


AFBOF
81GF Score
African Rainbow Minerals Ltd AFBOF
3-Year Book Growth Rate is just one metric. See GF Score™, valuation, warning signs, and more.
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African Rainbow Minerals 3-Year Book Growth Rate Calculation

This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.

Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.

What does a 3-Year Book Growth Rate of 6.60% mean?
African Rainbow Minerals (AFBOF) has a 3-Year Book Growth Rate of 6.60% as of Dec. 2025. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for African Rainbow Minerals and its competitors. This is 36% below median its historical median of 10.30. According to the industry distribution chart, African Rainbow Minerals ranks #659 out of 2180 companies in the Metals & Mining industry, placing it in the top 30.2%.
Is African Rainbow Minerals' 3-Year Book Growth Rate too high?
African Rainbow Minerals' current 3-Year Book Growth Rate of 6.60% is 36% below median its 10-year median of 10.30. Based on the distribution chart, African Rainbow Minerals ranks #659 out of 2180 companies in the Metals & Mining industry, which is above the industry midpoint. Overall, African Rainbow Minerals has a GF Score™ of 81/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does African Rainbow Minerals' 3-Year Book Growth Rate compare to competitors?
According to the Metals & Mining industry distribution chart, African Rainbow Minerals ranks #659 out of 2180 companies for 3-Year Book Growth Rate. This puts African Rainbow Minerals in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Book Growth Rate for a Metals & Mining company?
A good 3-Year Book Growth Rate depends on the Metals & Mining industry context. However, 3-Year Book Growth Rate 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 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for African Rainbow Minerals and its competitors. African Rainbow Minerals's current 3-Year Book Growth Rate is 6.60%, which is 36% below median its own 10-year median of 10.30. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is African Rainbow Minerals stock overvalued right now?
Based on GuruFocus' analysis, African Rainbow Minerals (AFBOF) is currently considered Modestly Undervalued. The stock's GF Value™ is $12.60, compared to a current price of $10.09 — trading 19.9% below its estimated fair value. The current 3-Year Book Growth Rate is 6.60%, which is 36% below median its 10-year median of 10.30. African Rainbow Minerals' overall GF Score™ is 81/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For African Rainbow Minerals (AFBOF), the current 3-Year Book Growth Rate is 6.60% 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 African Rainbow Minerals (AFBOF) Overvalued in 2026?

Based on GuruFocus' analysis, African Rainbow Minerals stock appears to be undervalued. The current stock price of $10.09 is trading 19.9% below its estimated GF Value™ of $12.60. GuruFocus considers African Rainbow Minerals to be Modestly Undervalued.

Key valuation signals for AFBOF:

  • 3-Year Book Growth Rate: 6.60% (36% below median its 10-year median of 10.30)
  • GF Value™: $12.60 vs. price of $10.09 (19.9% below fair value)
  • GF Score™: 81/100 with 6 warning signs

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


African Rainbow Minerals Business Description

Other Exchanges ARI:South AfricaEB9:Germany
Address 29 Impala Road, ARM House, Chislehurston, Sandton, GT, ZAF, 2196
African Rainbow Minerals Ltd is a South African diversified mining and minerals company with operations in South Africa and Malaysia. The group operates through four main segments: ARM Platinum, which includes platinum group metals and nickel; ARM Ferrous, focused on iron ore, manganese ore, and chrome ore; ARM Coal, operating mainly in the Goedgevonden Mine; and ARM Corporate, which includes Machadodorp Works, gold investments, and other activities. The company produces manganese alloys and holds a strategic investment in gold. The company generates the majority of its revenue from South Africa and maintains a presence in Europe, the Americas, and the Far and Middle East.
81GF Score

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3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$10.09
Price
$12.60
GF Value