Black Rock Mining (ASX:BKT) OCF Margin %: 0.00% (As of Dec. 2025)


What is Black Rock Mining OCF Margin %?

Black Rock Mining ASX:BKT +9.09% OCF Margin % is 0.00% as of Dec. 2025. The stock has 1 warning sign investors should review. Among 846 Metals & Mining companies, Black Rock Mining ranks worse than 118203.19% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Black Rock Mining's Cash Flow from Operations for the six months ended in Dec. 2025 was A$-4.01 Mil. Black Rock Mining's Revenue for the six months ended in Dec. 2025 was A$0.00 Mil. Therefore, Black Rock Mining's OCF Margin % for the quarter that ended in Dec. 2025 was 0.00%.

As of today, Black Rock Mining's current OCF Yield % is -28.43%.

The historical rank and industry rank for Black Rock Mining's OCF Margin % or its related term are showing as below:


ASX:BKT's OCF Margin % is not ranked *
in the Metals & Mining industry.
Industry Median: 4.465
* Ranked among companies with meaningful OCF Margin % only.

Black Rock Mining OCF Margin % Related Terms

Black Rock Mining OCF Margin % Historical Data

* Premium members only.

The historical data trend for Black Rock Mining's OCF Margin % 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.

Black Rock Mining OCF Margin % Chart

Black Rock Mining Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
OCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Black Rock Mining Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
OCF Margin % 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 0.00 0.00 0.00 0.00 0.00

Black Rock Mining OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

Black Rock Mining's OCF Margin for the fiscal year that ended in Jun. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Jun. 2025 )/Revenue (A: Jun. 2025 )
=-8.904/0
= %

Black Rock Mining's OCF Margin for the quarter that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=-4.014/0
= %

* 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.

Frequently Asked Questions Learn more about OCF Margin % →
What does a OCF Margin % of 0.00% mean?
Black Rock Mining (ASX:BKT) has a OCF Margin % of 0.00% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Black Rock Mining and its competitors. According to the industry distribution chart, Black Rock Mining ranks #999999 out of 846 companies in the Metals & Mining industry.
Is Black Rock Mining's OCF Margin % too high?
Black Rock Mining's current OCF Margin % is 0.00%. Based on the distribution chart, Black Rock Mining ranks #999999 out of 846 companies in the Metals & Mining industry, which is in the bottom quartile relative to peers.
How does Black Rock Mining's OCF Margin % compare to competitors?
According to the Metals & Mining industry distribution chart, Black Rock Mining ranks #999999 out of 846 companies for OCF Margin %. This places Black Rock Mining in the lower half of its industry. The industry median OCF Margin % is 4.47. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Margin % for a Metals & Mining company?
The median OCF Margin % among Metals & Mining companies is 4.47, based on 846 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Black Rock Mining and its competitors. For the Metals & Mining industry, the median OCF Margin % is 4.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Black Rock Mining's current OCF Margin % is 0.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Black Rock Mining stock overvalued right now?
Black Rock Mining (ASX:BKT) has a current OCF Margin % of 0.00%. The current OCF Margin % is 0.00%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Black Rock Mining (ASX:BKT), the current OCF Margin % is 0.00% 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.

Black Rock Mining Business Description

Other Exchanges N5V:Germany
Address Level 1, 1 Walker Avenue, West Perth, Perth, WA, AUS, 6005
Black Rock Mining Ltd is a graphite exploration company. The company is engaged in exploring and developing its Mahenge graphite project in Tanzania.