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System1 GroupSTU:BBA -0.52%78 Cyclically Adjusted PS Ratio is 1.57 as of Jul. 29, 2026, which is 27% above its 10-year median of 1.24. GuruFocus rates STU:BBA with a GF Score™ of 78/100 and a GF Value™ of €4.84 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 731 Media - Diversified companies, System1 Group ranks worse than 63.75% on this metric.
The historical rank and industry rank for System1 Group's Cyclically Adjusted PS Ratio or its related term are showing as below:
STU:BBA'
s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 0.44 Med: 1.24 Max: 6.67
Current: 1.33
During the past 13 years, System1 Group's highest Cyclically Adjusted PS Ratio was 6.67. The lowest was 0.44. And the median was 1.24.
STU:BBA's Cyclically Adjusted PS Ratio is ranked worse than 63.75% of 731
companies
in the Media - Diversified industry
Industry Median: 0.78
vs STU:BBA: 1.33
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.
System1 Group's adjusted revenue per share data of for the fiscal year that ended in Mar26 was €3.351. 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 €2.46 for the trailing ten years ended in Mar26.
Shiller PE for Stocks: The True Measure of Stock Valuation
System1 Group (STU:BBA) 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.
System1 Group Cyclically Adjusted PS Ratio Related Terms
System1 Group Cyclically Adjusted PS Ratio Historical Data
* Premium members only.
The historical data trend for System1 Group'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.
STU:BBA vs APP, OMC, TTD: Cyclically Adjusted PS Ratio Comparison
For the Advertising Agencies subindustry, System1 Group'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.
System1 Group Cyclically Adjusted PS Ratio vs Media - Diversified Industry
For the Media - Diversified industry and Communication Services sector, System1 Group's Cyclically Adjusted PS Ratio distribution charts can be found below:
* The bar in red indicates where System1 Group's Cyclically Adjusted PS Ratio falls into.
System1 Group 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.
System1 Group'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 1.57 mean?
System1 Group (STU:BBA) has a Cyclically Adjusted PS Ratio of 1.57 as of Jul. 29, 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 System1 Group and its competitors. This is 27% above median its historical median of 1.24. Over the past decade, System1 Group's Cyclically Adjusted PS Ratio has ranged from 0.44 to 6.67. According to the industry distribution chart, System1 Group ranks #466 out of 731 companies in the Media - Diversified industry, placing it in the top 63.7%.
Is System1 Group's Cyclically Adjusted PS Ratio too high?
System1 Group's current Cyclically Adjusted PS Ratio of 1.57 is 27% above median its 10-year median of 1.24. Over the past 10 years, this metric has ranged from a low of 0.44 to a high of 6.67. The Media - Diversified industry median Cyclically Adjusted PS Ratio is 0.78. System1 Group's value of 1.57 is 101.3% above this industry median. Based on the distribution chart, System1 Group ranks #466 out of 731 companies in the Media - Diversified industry, which is below the industry midpoint. Overall, System1 Group has a GF Score™ of 78/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does System1 Group's Cyclically Adjusted PS Ratio compare to APP and OMC?
According to the Media - Diversified industry distribution chart, System1 Group ranks #466 out of 731 companies for Cyclically Adjusted PS Ratio. This places System1 Group in the lower half of its industry. The industry median Cyclically Adjusted PS Ratio is 0.78. System1 Group's value of 1.57 is 101.3% above this benchmark. Historically, System1 Group's own Cyclically Adjusted PS Ratio has ranged from 0.44 to 6.67 over the past decade. While the company's 10-year median is 1.24 vs. the industry median of 0.78, System1 Group 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 a Media - Diversified company?
The median Cyclically Adjusted PS Ratio among Media - Diversified companies is 0.78, based on 731 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. System1 Group's current Cyclically Adjusted PS Ratio of 1.57 is 101.3% 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 System1 Group and its competitors. For the Media - Diversified industry, the median Cyclically Adjusted PS Ratio is 0.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. System1 Group's current Cyclically Adjusted PS Ratio is 1.57, which is 27% above median its own 10-year median of 1.24. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is System1 Group stock overvalued right now?
Based on GuruFocus' analysis, System1 Group (STU:BBA) is currently considered Modestly Undervalued. The stock's GF Value™ is €4.84, compared to a current price of €3.86 — trading 20.2% below its estimated fair value. The current Cyclically Adjusted PS Ratio is 1.57, which is 27% above median its 10-year median of 1.24 and 101.3% above the Media - Diversified industry median of 0.78. System1 Group's overall GF Score™ is 78/100 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 System1 Group (STU:BBA), the current Cyclically Adjusted PS Ratio is 1.57 as of Jul. 29, 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 System1 Group (STU:BBA) Overvalued in 2026?
Based on GuruFocus' analysis, System1 Group stock appears to be undervalued.
The current stock price of €3.86 is trading 20.2% below its estimated GF Value™ of €4.84.
GuruFocus considers System1 Group to be Modestly Undervalued.
Key valuation signals for STU:BBA:
Cyclically Adjusted PS Ratio: 1.57 (27% above median its 10-year median of 1.24)
GF Value™: €4.84 vs. price of €3.86 (20.2% below fair value)
Industry Position: 101.3% above the Media - Diversified median (#466 of 731)
No single metric tells the full story. See the STU:BBA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
System1 Group PLC is engaged in providing market research data and insight services. The company's geographical segments include the United States of America, Latin America (LatAm), the United Kingdom, the Rest Of Europe, and the Asia Pacific (APAC) region. A majority of its revenue is generated from its business in the United Kingdom.
78GF Score
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Cyclically Adjusted PS Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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