Petra DiamondsPDLMF 43 Days Inventory is 76.75 as of Dec. 2025, which is 5% above its 10-year median of 73.12. GuruFocus rates PDLMF with a GF Score™ of 43/100 and a GF Value™ of $0.97. The stock has 2 warning signs investors should review. Among 681 Metals & Mining companies, Petra Diamonds ranks better than 61.38% on this metric.
The historical rank and industry rank for Petra Diamonds's Days Inventory or its related term are showing as below:
PDLMF'
s Days Inventory Range Over the Past 10 Years
Min: 59.67 Med: 73.12 Max: 143.4
Current: 70.53
During the past 13 years, Petra Diamonds's highest Days Inventory was 143.40. The lowest was 59.67. And the median was 73.12.
PDLMF's Days Inventory is ranked better than 61.38% of 681
companies
in the Metals & Mining industry
Industry Median: 85.61
vs PDLMF: 70.53
Petra Diamonds's Days Inventory
increased
from Dec. 2024 (63.60) to Dec. 2025 (76.75).
It might indicate that Petra Diamonds's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Petra Diamonds's Inventory Turnover for the
six
months ended in Dec. 2025 was 2.38.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Petra Diamonds's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.45.
Petra Diamonds (OTCPK:PDLMF) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Petra Diamonds's Inventory Turnover for the
six
months ended in Dec. 2025 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Petra Diamonds's Inventory to Revenue for the
six
months ended in Dec. 2025 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Petra Diamonds Days Inventory Related Terms
Petra Diamonds Days Inventory Historical Data
* Premium members only.
The historical data trend for Petra Diamonds's Days Inventory 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 Other Precious Metals & Mining subindustry, Petra Diamonds's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Petra Diamonds's Days Inventory distribution charts can be found below:
* The bar in red indicates where Petra Diamonds's Days Inventory falls into.
* 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 (PDLMF) has a Days Inventory of 76.75 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Petra Diamonds and its competitors. This is near median its historical median of 73.12. Over the past decade, Petra Diamonds' Days Inventory has ranged from 59.67 to 143.40. According to the industry distribution chart, Petra Diamonds ranks #263 out of 681 companies in the Metals & Mining industry, placing it in the top 38.6%.
Is Petra Diamonds' Days Inventory too high?
Petra Diamonds' current Days Inventory of 76.75 is near median its 10-year median of 73.12. Over the past 10 years, this metric has ranged from a low of 59.67 to a high of 143.40. The Metals & Mining industry median Days Inventory is 85.61. Petra Diamonds' value of 76.75 is 10.3% below this industry median. Based on the distribution chart, Petra Diamonds ranks #263 out of 681 companies in the Metals & Mining industry, which is above the industry midpoint. Overall, Petra Diamonds has a GF Score™ of 43/100, reflecting its overall financial health beyond just this single metric.
How does Petra Diamonds' Days Inventory compare to HL?
According to the Metals & Mining industry distribution chart, Petra Diamonds ranks #263 out of 681 companies for Days Inventory. This puts Petra Diamonds in the upper half of its industry. The industry median Days Inventory is 85.61. Petra Diamonds' value of 76.75 is 10.3% below this benchmark. Historically, Petra Diamonds' own Days Inventory has ranged from 59.67 to 143.40 over the past decade. While the company's 10-year median is 73.12 vs. the industry median of 85.61, Petra Diamonds 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 Days Inventory for a Metals & Mining company?
The median Days Inventory among Metals & Mining companies is 85.61, based on 681 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Petra Diamonds's current Days Inventory of 76.75 is 10.3% 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Petra Diamonds and its competitors. For the Metals & Mining industry, the median Days Inventory is 85.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Petra Diamonds's current Days Inventory is 76.75, which is near median its own 10-year median of 73.12. 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 Days Inventory of 76.75. The stock's GF Value™ is $0.97, compared to a current price of $0.27 — trading 72.3% below its estimated fair value. The current Days Inventory is 76.75, which is near median its 10-year median of 73.12 and 10.3% below the Metals & Mining industry median of 85.61. 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 Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Petra Diamonds (PDLMF), the current Days Inventory is 76.75 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 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 72.3% below its estimated GF Value™ of $0.97.
Key valuation signals for PDLMF:
Days Inventory: 76.75 (near median its 10-year median of 73.12)
GF Value™: $0.97 vs. price of $0.27 (72.3% below fair value)
Industry Position: 10.3% below the Metals & Mining median (#263 of 681)
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 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
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