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Star Petroleum Refining PCLBKK:SPRC -0.51%72 Cyclically Adjusted PS Ratio is 0.18 as of Jul. 23, 2026, which is 50% above its 10-year median of 0.12. GuruFocus rates BKK:SPRC with a GF Score™ of 72/100 and a GF Value™ of ฿6.61 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 707 Oil & Gas companies, Star Petroleum Refining PCL ranks better than 88.54% on this metric.
The historical rank and industry rank for Star Petroleum Refining PCL's Cyclically Adjusted PS Ratio or its related term are showing as below:
BKK:SPRC'
s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 0.08 Med: 0.12 Max: 0.17
Current: 0.16
During the past years, Star Petroleum Refining PCL's highest Cyclically Adjusted PS Ratio was 0.17. The lowest was 0.08. And the median was 0.12.
BKK:SPRC's Cyclically Adjusted PS Ratio is ranked better than 88.54% of 707
companies
in the Oil & Gas industry
Industry Median: 1.04
vs BKK:SPRC: 0.16
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio. The Cyclically Adjusted Revenue per Share is the average of the inflation adjusted revenue per share of a company over the past 10 years.
Star Petroleum Refining PCL's adjusted revenue per share data for the three months ended in Mar. 2026 was ฿11.381. Add all the adjusted revenue per share for the past 10 years together and divide 10 will get our Cyclically Adjusted Revenue per Share, which is ฿55.87 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Star Petroleum Refining PCL (BKK:SPRC) Cyclically Adjusted PS Ratio Explanation
Compared with the regular PS Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PS Ratio smoothed out the fluctuations of revenue during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PS Ratio should give similar results to regular PS Ratio.
Star Petroleum Refining PCL Cyclically Adjusted PS Ratio Related Terms
Star Petroleum Refining PCL Cyclically Adjusted PS Ratio Historical Data
* 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 Cyclically Adjusted PS Ratio Chart
BKK:SPRC vs VLO, MPC, PSX: Cyclically Adjusted PS Ratio Comparison
For the Oil & Gas Refining & Marketing subindustry, Star Petroleum Refining PCL's Cyclically Adjusted PS Ratio, along with its competitors' market caps and Cyclically Adjusted PS Ratio 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.
Star Petroleum Refining PCL Cyclically Adjusted PS Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Star Petroleum Refining PCL's Cyclically Adjusted PS Ratio distribution charts can be found below:
* The bar in red indicates where Star Petroleum Refining PCL's Cyclically Adjusted PS Ratio falls into.
Star Petroleum Refining PCL Cyclically Adjusted PS Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PS Ratio takes the Revenue per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/S calculation. Because it considers this 10-year average, it's often referred to as the CAPS Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio.
* 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.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
What does a Cyclically Adjusted PS Ratio of 0.18 mean?
Star Petroleum Refining PCL (BKK:SPRC) has a Cyclically Adjusted PS Ratio of 0.18 as of Jul. 23, 2026. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Star Petroleum Refining PCL and its competitors. This is 50% above median its historical median of 0.12. Over the past decade, Star Petroleum Refining PCL's Cyclically Adjusted PS Ratio has ranged from 0.08 to 0.17. According to the industry distribution chart, Star Petroleum Refining PCL ranks #81 out of 707 companies in the Oil & Gas industry, placing it in the top 11.5%.
Is Star Petroleum Refining PCL's Cyclically Adjusted PS Ratio too high?
Star Petroleum Refining PCL's current Cyclically Adjusted PS Ratio of 0.18 is 50% above median its 10-year median of 0.12. Over the past 10 years, this metric has ranged from a low of 0.08 to a high of 0.17. The Oil & Gas industry median Cyclically Adjusted PS Ratio is 1.04. Star Petroleum Refining PCL's value of 0.18 is 82.7% below this industry median. Based on the distribution chart, Star Petroleum Refining PCL ranks #81 out of 707 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Star Petroleum Refining PCL has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Star Petroleum Refining PCL's Cyclically Adjusted PS Ratio compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Star Petroleum Refining PCL ranks #81 out of 707 companies for Cyclically Adjusted PS Ratio. This places Star Petroleum Refining PCL in the top 12% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PS Ratio is 1.04. Star Petroleum Refining PCL's value of 0.18 is 82.7% below this benchmark. Historically, Star Petroleum Refining PCL's own Cyclically Adjusted PS Ratio has ranged from 0.08 to 0.17 over the past decade. While the company's 10-year median is 0.12 vs. the industry median of 1.04, Star Petroleum Refining PCL has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PS Ratio for an Oil & Gas company?
The median Cyclically Adjusted PS Ratio among Oil & Gas companies is 1.04, based on 707 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Star Petroleum Refining PCL's current Cyclically Adjusted PS Ratio of 0.18 is 82.7% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PS Ratio mean?
A high Cyclically Adjusted PS Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Star Petroleum Refining PCL and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PS Ratio is 1.04 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Star Petroleum Refining PCL's current Cyclically Adjusted PS Ratio is 0.18, which is 50% above median its own 10-year median of 0.12. 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?
Based on GuruFocus' analysis, Star Petroleum Refining PCL (BKK:SPRC) is currently considered Significantly Overvalued. The stock's GF Value™ is ฿6.61, compared to a current price of ฿9.85 — trading 49% above its estimated fair value. The current Cyclically Adjusted PS Ratio is 0.18, which is 50% above median its 10-year median of 0.12 and 82.7% below the Oil & Gas industry median of 1.04. Star Petroleum Refining PCL's overall GF Score™ is 72/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For Star Petroleum Refining PCL (BKK:SPRC), the current Cyclically Adjusted PS Ratio is 0.18 as of Jul. 23, 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.
Is Star Petroleum Refining PCL (BKK:SPRC) Overvalued in 2026?
Based on GuruFocus' analysis, Star Petroleum Refining PCL stock appears to be overvalued.
The current stock price of ฿9.85 is trading 49% above its estimated GF Value™ of ฿6.61.
GuruFocus considers Star Petroleum Refining PCL to be Significantly Overvalued.
Key valuation signals for BKK:SPRC:
Cyclically Adjusted PS Ratio: 0.18 (50% above median its 10-year median of 0.12)
GF Value™: ฿6.61 vs. price of ฿9.85 (49% above fair value)
Industry Position: 82.7% below the Oil & Gas median (#81 of 707)
No single metric tells the full story. See the BKK:SPRC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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.
72GF Score
Get the complete analysis for BKK:SPRC
Cyclically Adjusted PS Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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