Black Rock Mining Ltd Black Rock Mining Ltd

Black Rock Mining Ltd

BKT

Rank in Stocks #27493
Black Rock Mining Limited, established in 2000 and headquartered in West Perth,... Black Rock Mining Limited, established in 2000 and headquartered in West Perth, Australia, is dedicated to the exploration and development of graphite projects within Tanzania. A key asset is its 100% ownership of the Mahenge graphite project, a 324-square-kilometer site also located in Tanzania. The company operated under the name Green Rock Energy Limited until March 2015, when it officially became Black Rock Mining Limited.
Share Price
$0.0069219
Last synced: 2026-11-10
Market Cap
$14.87M
Change (1 day)
0.00%
Change (1 year)
-33.70%
Country

Stock data: Financial Modeling Prep·Updated ·Not investment advice·How we calculate this

Category

Basic Materials
Operating Margin for Black Rock Mining Ltd (BKT)
Operating Margin as of November 2026 TTM: 0.00%
According to Black Rock Mining Ltd's latest financial reports, its current operating margin (TTM) is 0.00%. At the end of 2025 the company had an operating margin of 0.00%.
Operating Margin history for Black Rock Mining Ltd from 2003 to 2026
Operating Margin at the end of each year
Year Operating Margin Change
2026 (TTM) 0.00% 0.00%
2025 0.00% -100.00%
2024 -240,568.10% 0.00%
2023 0.00% 0.00%
2022 0.00% 0.00%
2021 0.00% 0.00%
2020 0.00% 0.00%
2019 0.00% 0.00%
2018 0.00% 0.00%
2017 0.00% 0.00%
2016 0.00% 0.00%
2015 0.00% 0.00%
2014 0.00% 0.00%
2013 0.00% 0.00%
2012 0.00% 0.00%
2011 0.00% 0.00%
2010 0.00% -100.00%
2009 -401,113.17% 3,985.95%
2008 -9,816.90% 155.46%
2007 -3,842.82% 0.00%
2006 0.00% 0.00%
2005 0.00% 0.00%
2004 0.00% 0.00%
2003 0.00% 0.00%
Operating Margin for similar companies or competitors
Company Operating Margin Operating Margin Difference Country
40.13% -
AU
27.32% -
GB
53.07% -
MX
2.45% -
CH
24.42% -
SA
What is a company's Operating Margin?
The operating margin is a key indicator to assess the profitability of a company. Higher operating margins are generaly better as they show that a company is able to sell its products or services for much more than their production costs. The operating margin is calculated by dividing a company's earnings by its revenue.

Questions about Black Rock Mining Ltd's operating margin

What was Black Rock Mining Ltd's operating margin in 2025?

In 2025, Black Rock Mining Ltd's operating margin was 0.00%, compared with -240,568.10% in 2024.

How has Black Rock Mining Ltd's operating margin changed since 2020?

From 2020 to 2025, Black Rock Mining Ltd's operating margin was highest in 2025 (0.00%) and lowest in 2024 (-240,568.10%).

How does Black Rock Mining Ltd's operating margin compare with similar companies?

Black Rock Mining Ltd's operating margin (0.00%) is lower than that of all 5 similar companies listed above. The highest among them is Grupo México, S.A.B. de C.V., with 53.07%.