GRSFF (Greencastle Resources) FCF Margin %: -3,090.00% (As of Mar. 2026)

What is Greencastle Resources FCF Margin %?

Greencastle Resources GRSFF FCF Margin % is -3,090.00% as of Mar. 2026. The stock has 6 warning signs investors should review. Among 907 Oil & Gas companies, Greencastle Resources ranks worse than 96.8% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Greencastle Resources's Free Cash Flow for the three months ended in Mar. 2026 was $-0.31 Mil. Greencastle Resources's Revenue for the three months ended in Mar. 2026 was $0.01 Mil. Therefore, Greencastle Resources's FCF Margin % for the quarter that ended in Mar. 2026 was -3,090.00%.

As of today, Greencastle Resources's current FCF Yield % is -64.99%.

The historical rank and industry rank for Greencastle Resources's FCF Margin % or its related term are showing as below:

GRSFF' s FCF Margin % Range Over the Past 10 Years
Min: -4685.71 Med: -702.48 Max: -112.5
Current: -1302.38

During the past 13 years, the highest FCF Margin % of Greencastle Resources was -112.50%. The lowest was -4685.71%. And the median was -702.48%.

GRSFF's FCF Margin % is ranked worse than
96.8% of 907 companies
in the Oil & Gas industry
Industry Median: 3.38 vs GRSFF: -1302.38

Greencastle Resources FCF Margin % Related Terms

Greencastle Resources FCF Margin % Historical Data

* Premium members only.

The historical data trend for Greencastle Resources's FCF 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.

Greencastle Resources FCF Margin % Chart

Greencastle Resources Annual Data

Trend

Dec16

Dec17

Dec18

Dec19

Dec20

Dec21

Dec22

Dec23

Dec24

Dec25

FCF Margin %

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-112.61

-161.06

-406.67

-741.94

-688.37

Greencastle Resources Quarterly Data
	Jun21	Sep21	Dec21	Mar22	Jun22	Sep22	Dec22	Mar23	Jun23	Sep23	Dec23	Mar24	Jun24	Sep24	Dec24	Mar25	Jun25	Sep25	Dec25	Mar26
FCF Margin %	Get a 7-Day Free Trial															-580.00	-846.67	-1,033.33	-225.00	-3,090.00

GRSFF vs COP, EOG, FANG: FCF Margin % Comparison

For the Oil & Gas E&P subindustry, Greencastle Resources's FCF Margin %, along with its competitors' market caps and FCF Margin % 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.

Greencastle Resources FCF Margin % vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Greencastle Resources's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Greencastle Resources's FCF Margin % falls into.

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Greencastle Resources FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Greencastle Resources's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin	=	Free Cash Flow (A: Dec. 2025 )	/	Revenue (A: Dec. 2025 )
	=	-0.296	/	0.043
	=	-688.37 %

Greencastle Resources's FCF Margin for the quarter that ended in Mar. 2026 is calculated as

FCF Margin	=	Free Cash Flow (Q: Mar. 2026 )	/	Revenue (Q: Mar. 2026 )
	=	-0.309	/	0.01
	=	-3,090.00 %

Frequently Asked Questions Learn more about FCF Margin % →

What does a FCF Margin % of -3,090.00% mean?

Greencastle Resources (GRSFF) has a FCF Margin % of -3,090.00% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Greencastle Resources and its competitors. According to the industry distribution chart, Greencastle Resources ranks #878 out of 907 companies in the Oil & Gas industry, placing it in the top 96.8%.

Is Greencastle Resources' FCF Margin % too high?

Greencastle Resources' current FCF Margin % is -3,090.00%. Based on the distribution chart, Greencastle Resources ranks #878 out of 907 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers.

How does Greencastle Resources' FCF Margin % compare to COP and EOG?

According to the Oil & Gas industry distribution chart, Greencastle Resources ranks #878 out of 907 companies for FCF Margin %. This places Greencastle Resources in the lower half of its industry. The industry median FCF Margin % is 3.38. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.

What is a good FCF Margin % for an Oil & Gas company?

The median FCF Margin % among Oil & Gas companies is 3.38, based on 907 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF 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 FCF Margin % mean?

A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Greencastle Resources and its competitors. For the Oil & Gas industry, the median FCF Margin % is 3.38 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Greencastle Resources's current FCF Margin % is -3,090.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.

Is Greencastle Resources stock overvalued right now?

Based on GuruFocus' analysis, Greencastle Resources (GRSFF) is currently considered Possible Value Trap. The stock's GF Value™ is $0.03, compared to a current price of $0.01 — trading 76% below its estimated fair value. The current FCF Margin % is -3,090.00%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.

How is FCF Margin % calculated?

FCF Margin % is calculated from a company's financial statements. For Greencastle Resources (GRSFF), the current FCF Margin % is -3,090.00% as of Mar. 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.

Greencastle Resources Business Description

Industry Energy Oil & Gas

Comparable Companies TSXV:LET.H TSXV:CTA TSXV:XL TSXV:SKK TSXV:DIG.H XCNQ:JBR TSXV:EW XCNQ:BGX TSXV:KYS.H TSXV:KLE.H HKSE:00883 COP TSX:CNQ EOG FANG OXY DVN MIC:NVTK ASX:WDS EQT

Other Exchanges VGN:Canada

Address 82 Richmond Street East, Suite 200, The Canadian Venture Building, Toronto, ON, CAN, M5C 1P1

Website https://www.greencastle.ltd

Greencastle Resources Ltd is a diversified company with interests in gold and base metals exploration and oil and gas exploration and royalties, as well as in strategic and non-strategic investments in other companies that are traded on the North American exchanges. The company's reportable segments include Investments in Private and Public companies, Oil and Gas Interests, Mining Interests. Its investment segment comprises its investment in marketable securities and investment in private and public companies. The oil and gas segment comprises its oil and gas interests. The mining segment comprises its mining interests in Canada and in the USA.