PDLMF (Petra Diamonds) Beta: -0.0973 (As of Jun. 25, 2026)


PDLMF Petra Diamonds Ltd PDLMF
43 GF Score
Price $0.27
GF Value $1.03
! 2 Warning Signs
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What is Petra Diamonds Beta?

Petra Diamonds PDLMF 43 Beta is -0.0973 as of Jun. 25, 2026. GuruFocus rates PDLMF with a GF Score™ of 43/100 and a GF Value™ of $1.03. The stock has 2 warning signs investors should review.

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-06-25), Petra Diamonds's Beta is -0.0973.


Petra Diamonds  (OTCPK:PDLMF) Beta Explanation

Beta is a measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole. We usually compare beta to 1. A beta of 1 indicates that the security's price will move with the market. A beta of less than 1 means that the security will be less volatile than the market. A beta of greater than 1 indicates that the security's price will be more volatile than the market.

Beta is primarily used in the Capital Asset Pricing Model (CAPM) to calculate the Cost of Equity, which can be used in the calculation of WACC %. The formula of Cost of Equity is:
Cost of Equity = Risk-Free Rate of Return + Beta of Asset * (Expected Return of the Market - Risk-Free Rate of Return)


Petra Diamonds Beta Related Terms


Petra Diamonds Beta Historical Data

* Premium members only.

The historical data trend for Petra Diamonds's Beta 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.

Petra Diamonds Beta Chart

Petra Diamonds Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
Beta
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.51 2.99 0.60 0.61 -0.16

Petra Diamonds Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Beta 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 0.80 0.61 0.21 -0.16 0.05

PDLMF vs HL: Beta Comparison

For the Other Precious Metals & Mining subindustry, Petra Diamonds's Beta, along with its competitors' market caps and Beta 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.


Petra Diamonds Beta vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Petra Diamonds's Beta distribution charts can be found below:

* The bar in red indicates where Petra Diamonds's Beta falls into.


PDLMF
43GF Score
Petra Diamonds Ltd PDLMF
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
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Petra Diamonds Beta Calculation

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. A stock's beta can be calculated by dividing the product of the covariance of the individual stock's returns and the market's returns by the variance of the market's returns over a specified period. Basically, GuruFocus uses the returns calculated over three-year period.

Frequently Asked Questions Learn more about Beta →
What does a Beta of -0.0973 mean?
Petra Diamonds (PDLMF) has a Beta of -0.0973 as of Jun. 25, 2026. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Petra Diamonds and its competitors.
Is Petra Diamonds' Beta too high?
Petra Diamonds' current Beta is -0.0973. Overall, Petra Diamonds has a GF Score™ of 43/100, reflecting its overall financial health beyond just this single metric.
How does Petra Diamonds' Beta compare to HL?
Petra Diamonds' Beta of -0.0973 can be compared against companies in the Metals & Mining industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Beta for a Metals & Mining company?
A good Beta depends on the Metals & Mining industry context. However, Beta 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 Beta mean?
A high Beta can signal that a stock is expensive relative to its fundamentals. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Petra Diamonds and its competitors. Petra Diamonds's current Beta is -0.0973. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Petra Diamonds stock overvalued right now?
Petra Diamonds (PDLMF) has a current Beta of -0.0973. The stock's GF Value™ is $1.03, compared to a current price of $0.27 — trading 73.9% below its estimated fair value. The current Beta is -0.0973. Petra Diamonds' overall GF Score™ is 43/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Beta calculated?
Beta is calculated from a company's financial statements. For Petra Diamonds (PDLMF), the current Beta is -0.0973 as of Jun. 25, 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 Petra Diamonds (PDLMF) Overvalued in 2026?

Based on GuruFocus' analysis, Petra Diamonds stock appears to be undervalued. The current stock price of $0.27 is trading 73.9% below its estimated GF Value™ of $1.03.

Key valuation signals for PDLMF:

  • Beta: -0.0973
  • GF Value™: $1.03 vs. price of $0.27 (73.9% below fair value)
  • GF Score™: 43/100 with 2 warning signs

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


Petra Diamonds Business Description

Other Exchanges PDLl:UKPDL:UKFPO:Germany
Address 2 Church Street, Clarendon House, Hamilton, BMU, HM11
Petra Diamonds Ltd is an independent diamond mining company. It focuses on the upstream segment of the diamond pipeline, which includes mining, processing, sorting, and selling rough diamonds. It operates in Southern Africa, with mines such as Cullinan and Finsch producing high-quality white and rare blue diamonds. Its operating and geographical segments are: a) Mining: The extraction and sale of rough diamonds from mining operations in South Africa and Tanzania, b) Corporate: Administrative activities in the United Kingdom, c) Beneficiation: Beneficiation activities in South Africa. The majority of revenue is generated from the sale of rough diamonds.
43GF Score

Get the complete analysis for PDLMF

Beta is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$0.27
Price
$1.03
GF Value