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SISB PCLBKK:SISB-R +0.53%83 Cyclically Adjusted PS Ratio is 4.85 as of Aug. 27, 2026, which is 8% below its 10-year median of 5.30. GuruFocus rates BKK:SISB-R with a GF Score™ of 83/100 and a GF Value™ of ฿27.38 (Significantly Undervalued). The stock has 2 warning signs investors should review. Among 164 Education companies, SISB PCL ranks worse than 89.02% on this metric.
The historical rank and industry rank for SISB PCL's Cyclically Adjusted PS Ratio or its related term are showing as below:
BKK:SISB-R'
s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 5.08 Med: 5.3 Max: 5.87
Current: 5.12
During the past years, SISB PCL's highest Cyclically Adjusted PS Ratio was 5.87. The lowest was 5.08. And the median was 5.30.
BKK:SISB-R's Cyclically Adjusted PS Ratio is ranked worse than 89.02% of 164
companies
in the Education industry
Industry Median: 1.175
vs BKK:SISB-R: 5.12
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.
SISB PCL's adjusted revenue per share data for the three months ended in Jun. 2026 was ฿0.654. 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 ฿1.94 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
SISB PCL (BKK:SISB-R) 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.
SISB PCL Cyclically Adjusted PS Ratio Related Terms
SISB PCL Cyclically Adjusted PS Ratio Historical Data
* Premium members only.
The historical data trend for SISB PCL's Cyclically Adjusted PS Ratio 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.
BKK:SISB-R vs EDU, TAL, LAUR: Cyclically Adjusted PS Ratio Comparison
For the Education & Training Services subindustry, SISB 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.
SISB PCL Cyclically Adjusted PS Ratio vs Education Industry
For the Education industry and Consumer Defensive sector, SISB PCL's Cyclically Adjusted PS Ratio distribution charts can be found below:
* The bar in red indicates where SISB PCL's Cyclically Adjusted PS Ratio falls into.
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.
SISB PCL's Cyclically Adjusted PS Ratio for today is calculated as
* 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 4.85 mean?
SISB PCL (BKK:SISB-R) has a Cyclically Adjusted PS Ratio of 4.85 as of Aug. 27, 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 SISB PCL and its competitors. This is near median its historical median of 5.30. Over the past decade, SISB PCL's Cyclically Adjusted PS Ratio has ranged from 5.08 to 5.87. According to the industry distribution chart, SISB PCL ranks #146 out of 164 companies in the Education industry, placing it in the top 89%.
Is SISB PCL's Cyclically Adjusted PS Ratio too high?
SISB PCL's current Cyclically Adjusted PS Ratio of 4.85 is near median its 10-year median of 5.30. Over the past 10 years, this metric has ranged from a low of 5.08 to a high of 5.87. The Education industry median Cyclically Adjusted PS Ratio is 1.18. SISB PCL's value of 4.85 is 312.8% above this industry median. Based on the distribution chart, SISB PCL ranks #146 out of 164 companies in the Education industry, which is in the bottom quartile relative to peers. Overall, SISB PCL has a GF Score™ of 83/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does SISB PCL's Cyclically Adjusted PS Ratio compare to EDU and TAL?
According to the Education industry distribution chart, SISB PCL ranks #146 out of 164 companies for Cyclically Adjusted PS Ratio. This places SISB PCL in the lower half of its industry. The industry median Cyclically Adjusted PS Ratio is 1.18. SISB PCL's value of 4.85 is 312.8% above this benchmark. Historically, SISB PCL's own Cyclically Adjusted PS Ratio has ranged from 5.08 to 5.87 over the past decade. While the company's 10-year median is 5.30 vs. the industry median of 1.18, SISB PCL has consistently been above 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 Education company?
The median Cyclically Adjusted PS Ratio among Education companies is 1.18, based on 164 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. SISB PCL's current Cyclically Adjusted PS Ratio of 4.85 is 312.8% above 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 SISB PCL and its competitors. For the Education industry, the median Cyclically Adjusted PS Ratio is 1.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SISB PCL's current Cyclically Adjusted PS Ratio is 4.85, which is near median its own 10-year median of 5.30. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SISB PCL stock overvalued right now?
Based on GuruFocus' analysis, SISB PCL (BKK:SISB-R) is currently considered Significantly Undervalued. The stock's GF Value™ is ฿27.38, compared to a current price of ฿9.40 — trading 65.7% below its estimated fair value. The current Cyclically Adjusted PS Ratio is 4.85, which is near median its 10-year median of 5.30 and 312.8% above the Education industry median of 1.18. SISB PCL's overall GF Score™ is 83/100 with 2 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 SISB PCL (BKK:SISB-R), the current Cyclically Adjusted PS Ratio is 4.85 as of Aug. 27, 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 SISB PCL (BKK:SISB-R) Overvalued in 2026?
Based on GuruFocus' analysis, SISB PCL stock appears to be undervalued.
The current stock price of ฿9.40 is trading 65.7% below its estimated GF Value™ of ฿27.38.
GuruFocus considers SISB PCL to be Significantly Undervalued.
Key valuation signals for BKK:SISB-R:
Cyclically Adjusted PS Ratio: 4.85 (near median its 10-year median of 5.30)
GF Value™: ฿27.38 vs. price of ฿9.40 (65.7% below fair value)
Industry Position: 312.8% above the Education median (#146 of 164)
No single metric tells the full story. See the BKK:SISB-R stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
SISB PCL is principally engaged in the operation of international schools. Its operations are carried on only in Thailand. It is a provider of the Singapore curriculum for Mathematics and Science, with a focus on English, based on the Programme for International Student Assessment (PISA). It has five campuses in Thailand, which adopt the Singapore curriculum and Cambridge IGCSE A and AS Levels, as well as the International Baccalaureate. It teaches students to be trilingual: English, Thai, and Chinese, in addition to a holistic education to develop students to their fullest potential.
83GF Score
Get the complete analysis for BKK:SISB-R
Cyclically Adjusted PS Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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