Star Petroleum Refining PCL (BKK:SPRC-F) OCF Margin %: -0.07% (As of Mar. 2026)


What is Star Petroleum Refining PCL OCF Margin %?

Star Petroleum Refining PCL BKK:SPRC-F 83 OCF Margin % is -0.07% as of Mar. 2026. GuruFocus rates BKK:SPRC-F with a GF Score™ of 83/100. The stock has 3 warning signs investors should review. Among 906 Oil & Gas companies, Star Petroleum Refining PCL ranks worse than 71.19% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Star Petroleum Refining PCL's Cash Flow from Operations for the three months ended in Mar. 2026 was ฿-34.91 Mil. Star Petroleum Refining PCL's Revenue for the three months ended in Mar. 2026 was ฿49,317.83 Mil. Therefore, Star Petroleum Refining PCL's OCF Margin % for the quarter that ended in Mar. 2026 was -0.07%.

As of today, Star Petroleum Refining PCL's current OCF Yield % is 26.95%.

The historical rank and industry rank for Star Petroleum Refining PCL's OCF Margin % or its related term are showing as below:


During the past 13 years, the highest OCF Margin % of Star Petroleum Refining PCL was 6.40%. The lowest was -2.21%. And the median was 3.00%.

BKK:SPRC-F's OCF Margin % is not ranked *
in the Oil & Gas industry.
Industry Median: 13.93
* Ranked among companies with meaningful OCF Margin % only.

Star Petroleum Refining PCL OCF Margin % Related Terms

Star Petroleum Refining PCL OCF Margin % Historical Data

* Premium members only.

The historical data trend for Star Petroleum Refining PCL'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.

Star Petroleum Refining PCL OCF Margin % Chart

Star Petroleum Refining PCL Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.22 0.06 2.87 4.85 3.46

Star Petroleum Refining PCL Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 0.11 4.19 0.80 9.31 -0.07

Star Petroleum Refining PCL OCF Margin % Calculation

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

Star Petroleum Refining PCL's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=8344.974/241267.207
=3.46 %

Star Petroleum Refining PCL's OCF Margin for the quarter that ended in Mar. 2026 is calculated as

OCF Margin=Cash Flow from Operations (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=-34.908/49317.833
=-0.07 %

* 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 -0.07% mean?
Star Petroleum Refining PCL (BKK:SPRC-F) has a OCF Margin % of -0.07% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Star Petroleum Refining PCL and its competitors. According to the industry distribution chart, Star Petroleum Refining PCL ranks #645 out of 906 companies in the Oil & Gas industry, placing it in the top 71.2%.
Is Star Petroleum Refining PCL's OCF Margin % too high?
Star Petroleum Refining PCL's current OCF Margin % is -0.07%. Based on the distribution chart, Star Petroleum Refining PCL ranks #645 out of 906 companies in the Oil & Gas industry, which is below the industry midpoint. Overall, Star Petroleum Refining PCL has a GF Score™ of 83/100, reflecting its overall financial health beyond just this single metric.
How does Star Petroleum Refining PCL's OCF Margin % compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Star Petroleum Refining PCL ranks #645 out of 906 companies for OCF Margin %. This places Star Petroleum Refining PCL in the lower half of its industry. The industry median OCF Margin % is 13.93. 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 an Oil & Gas company?
The median OCF Margin % among Oil & Gas companies is 13.93, based on 906 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 Star Petroleum Refining PCL and its competitors. For the Oil & Gas industry, the median OCF Margin % is 13.93 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Star Petroleum Refining PCL's current OCF Margin % is -0.07%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Star Petroleum Refining PCL stock overvalued right now?
Star Petroleum Refining PCL (BKK:SPRC-F) has a current OCF Margin % of -0.07%. The current OCF Margin % is -0.07%. Star Petroleum Refining PCL's overall GF Score™ is 83/100 with 3 warning signs to review. 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 Star Petroleum Refining PCL (BKK:SPRC-F), the current OCF Margin % is -0.07% 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.

Star Petroleum Refining PCL Business Description

Industry EnergyOil & Gas
Other Exchanges SPRC:Thailand
Address No.1, I-3B Road, Tambol Map Ta Phut, Amphur Muang Rayong, Rayong, THA, 21150
Star Petroleum Refining PCL operates petroleum refinery in Thailand. The company produces multiple petroleum products such as Liquefied Petroleum Gas, gasoline, jet fuel, diesel, fuel oil, asphalt, and others. Geographically the majority of its sales are conducted in Thailand. However, the company also produces petroleum products for international markets.