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ACI WorldwideSTU:TSA -0.89%82 Cyclically Adjusted PB Ratio is 4.21 as of Aug. 20, 2026, which is 13% below its 10-year median of 4.82. GuruFocus rates STU:TSA with a GF Score™ of 82/100 and a GF Value™ of €43.79 (Fairly Valued). The stock has 2 warning signs investors should review. Among 1,542 Software companies, ACI Worldwide ranks worse than 70.17% on this metric.
The historical rank and industry rank for ACI Worldwide's Cyclically Adjusted PB Ratio or its related term are showing as below:
STU:TSA'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.1 Med: 4.82 Max: 6.85
Current: 4.29
During the past years, ACI Worldwide's highest Cyclically Adjusted PB Ratio was 6.85. The lowest was 2.10. And the median was 4.82.
STU:TSA's Cyclically Adjusted PB Ratio is ranked worse than 70.17% of 1542
companies
in the Software industry
Industry Median: 2.34
vs STU:TSA: 4.29
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 PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
ACI Worldwide's adjusted book value per share data for the three months ended in Jun. 2026 was €12.835. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is €10.55 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
ACI Worldwide (STU:TSA) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value 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 PB Ratio should give similar results to regular PB Ratio.
ACI Worldwide Cyclically Adjusted PB Ratio Related Terms
ACI Worldwide Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for ACI Worldwide's Cyclically Adjusted PB 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:TSA vs PATH, DOX, WEX: Cyclically Adjusted PB Ratio Comparison
For the Software - Infrastructure subindustry, ACI Worldwide's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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.
ACI Worldwide Cyclically Adjusted PB Ratio vs Software Industry
For the Software industry and Technology sector, ACI Worldwide's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where ACI Worldwide's Cyclically Adjusted PB Ratio falls into.
ACI Worldwide Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB 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 PB Ratio.
ACI Worldwide's Cyclically Adjusted PB 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 PB Ratio of 4.21 mean?
ACI Worldwide (STU:TSA) has a Cyclically Adjusted PB Ratio of 4.21 as of Aug. 20, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on ACI Worldwide and its competitors. This is 13% below median its historical median of 4.82. Over the past decade, ACI Worldwide's Cyclically Adjusted PB Ratio has ranged from 2.10 to 6.85. According to the industry distribution chart, ACI Worldwide ranks #1082 out of 1542 companies in the Software industry, placing it in the top 70.2%.
Is ACI Worldwide's Cyclically Adjusted PB Ratio too high?
ACI Worldwide's current Cyclically Adjusted PB Ratio of 4.21 is 13% below median its 10-year median of 4.82. Over the past 10 years, this metric has ranged from a low of 2.10 to a high of 6.85. The Software industry median Cyclically Adjusted PB Ratio is 2.34. ACI Worldwide's value of 4.21 is 79.9% above this industry median. Based on the distribution chart, ACI Worldwide ranks #1082 out of 1542 companies in the Software industry, which is below the industry midpoint. Overall, ACI Worldwide has a GF Score™ of 82/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does ACI Worldwide's Cyclically Adjusted PB Ratio compare to PATH and DOX?
According to the Software industry distribution chart, ACI Worldwide ranks #1082 out of 1542 companies for Cyclically Adjusted PB Ratio. This places ACI Worldwide in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.34. ACI Worldwide's value of 4.21 is 79.9% above this benchmark. Historically, ACI Worldwide's own Cyclically Adjusted PB Ratio has ranged from 2.10 to 6.85 over the past decade. While the company's 10-year median is 4.82 vs. the industry median of 2.34, ACI Worldwide 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 PB Ratio for a Software company?
The median Cyclically Adjusted PB Ratio among Software companies is 2.34, based on 1,542 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. ACI Worldwide's current Cyclically Adjusted PB Ratio of 4.21 is 79.9% 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 PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on ACI Worldwide and its competitors. For the Software industry, the median Cyclically Adjusted PB Ratio is 2.34 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ACI Worldwide's current Cyclically Adjusted PB Ratio is 4.21, which is 13% below median its own 10-year median of 4.82. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ACI Worldwide stock overvalued right now?
Based on GuruFocus' analysis, ACI Worldwide (STU:TSA) is currently considered Fairly Valued. The stock's GF Value™ is €43.79, compared to a current price of €44.40 — trading 1.4% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 4.21, which is 13% below median its 10-year median of 4.82 and 79.9% above the Software industry median of 2.34. ACI Worldwide's overall GF Score™ is 82/100 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 PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For ACI Worldwide (STU:TSA), the current Cyclically Adjusted PB Ratio is 4.21 as of Aug. 20, 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 ACI Worldwide (STU:TSA) Overvalued in 2026?
Based on GuruFocus' analysis, ACI Worldwide stock appears to be overvalued.
The current stock price of €44.40 is trading 1.4% above its estimated GF Value™ of €43.79.
GuruFocus considers ACI Worldwide to be Fairly Valued.
Key valuation signals for STU:TSA:
Cyclically Adjusted PB Ratio: 4.21 (13% below median its 10-year median of 4.82)
GF Value™: €43.79 vs. price of €44.40 (1.4% above fair value)
Industry Position: 79.9% above the Software median (#1082 of 1542)
No single metric tells the full story. See the STU:TSA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ACI Worldwide Inc develops, markets, and installs a portfolio of software products focused on facilitating electronic payments. The firm's products are sold and supported directly and through distribution networks covering three geographic regions - the Americas, EMEA, and Asia Pacific. ACI software products process payment transactions for retail banking clients, billers such as utilities and healthcare providers, and community banks and credit unions. ACI's customers are financial institutions all over the world, but the majority of the revenue is generated in the United States and EMEA regions. The company's operating segment includes Payment Software and Biller. The company generates the majority of its revenue from the Payment Software segment.
82GF Score
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