Star Petroleum Refining PCL (BKK:SPRC-F) Volatility: N/A% (As of Jun. 30, 2026)


What is Star Petroleum Refining PCL Volatility?

Star Petroleum Refining PCL BKK:SPRC-F 79 Volatility is N/A% as of Jun. 30, 2026. GuruFocus rates BKK:SPRC-F with a GF Score™ of 79/100. The stock has 4 warning signs investors should review.

Volatility is a statistical measure of the dispersion of returns for a given security or market index, it shows how the price swings around its mean. The volatility here is measured as the annualized standard deviation between monthly returns from the security over the past year. In most cases, the higher the volatility, the riskier the security.

Star Petroleum Refining PCL does not have enough data to calculate Volatility.

Star Petroleum Refining PCL  (BKK:SPRC-F) Volatility Explanation

Volatility is a statistical measure of the dispersion of returns for a given security or market index. It’s often measured as standard deviation or variance of historical returns over a certain period. The volatility here is measured as the annualized standard deviation between monthly returns from the security over the past year.

Volatility reflects the uncertainty or risk of a security’s value. Generally speaking, a higher volatility suggests a higher risk, because it implies a wider fluctuation around average price. This means the price of the security can change dramatically in either direction within a short period. Conversely, a lower volatility means that the security's price is more steady, which suggests a lower risk.

Another measurement of relative volatility is Beta. Beta is a measure of systematic risk of a security or a portfolio in comparison to the market as a whole. Beta is usually compared to 1. A beta of greater than 1 indicates that the security's price will be more volatile than the market.

Star Petroleum Refining PCL Volatility Related Terms

Star Petroleum Refining PCL  (BKK:SPRC-F) Volatility Calculation

The annualized volatility is calculated as following:

σA=σM * √12
=√ 1/(n-1) ∑(Ri - R')^2 * √12

Where: σM is the monthly volatility, n is the number of months in the period, Ri is the security's historical monthly returns and R' is the arithmetic mean of monthly returns.

* 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 Volatility →
What does a Volatility of N/A% mean?
Star Petroleum Refining PCL (BKK:SPRC-F) has a Volatility of N/A% as of Jun. 30, 2026. Volatility is measured as the annualized standard deviation between monthly returns from the security over the past year. View historical data on Star Petroleum Refining PCL and its competitors.
Is Star Petroleum Refining PCL's Volatility too high?
Star Petroleum Refining PCL's current Volatility is N/A%. Overall, Star Petroleum Refining PCL has a GF Score™ of 79/100, reflecting its overall financial health beyond just this single metric.
How does Star Petroleum Refining PCL's Volatility compare to VLO and MPC?
Star Petroleum Refining PCL's Volatility of N/A% can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Volatility for an Oil & Gas company?
A good Volatility depends on the Oil & Gas industry context. However, Volatility 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 Volatility mean?
A high Volatility can signal that a stock is expensive relative to its fundamentals. Volatility is measured as the annualized standard deviation between monthly returns from the security over the past year. View historical data on Star Petroleum Refining PCL and its competitors. Star Petroleum Refining PCL's current Volatility is N/A%. 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 Volatility of N/A%. The current Volatility is N/A%. Star Petroleum Refining PCL's overall GF Score™ is 79/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Volatility calculated?
Volatility is calculated from a company's financial statements. For Star Petroleum Refining PCL (BKK:SPRC-F), the current Volatility is N/A% as of Jun. 30, 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.