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The 1-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk over the past year. As of today (2026-08-20), ACI Worldwide's 1-Year Sharpe Ratio is 0.94.
ACI Worldwide (STU:TSA) 1-Year Sharpe Ratio Explanation
The 1-Year Sharpe Ratio inidicates the risk-adjusted return of an investment over the past year. It is calculated as the annualized result of the average monthly excess return divided by its standard deviation over the past year. The monthly excess return is the monthly investment return minus the monthly risk-free rate (typically the 10-year Treasury Constant Maturity Rate). If the risk-free rate for a specific region is not available, U.S. data is used by default.
The greater a portfolio's Sharpe Ratio, the better its risk-adjusted performance. A negative Sharpe Ratio means the risk-free rate is greater than the portfolio’s historical or projected return, or else the portfolio's return is expected to be negative.
ACI Worldwide 1-Year Sharpe Ratio Related Terms
STU:TSA vs PATH, DOX, WEX: 1-Year Sharpe Ratio Comparison
For the Software - Infrastructure subindustry, ACI Worldwide's 1-Year Sharpe Ratio, along with its competitors' market caps and 1-Year Sharpe 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 1-Year Sharpe Ratio vs Software Industry
For the Software industry and Technology sector, ACI Worldwide's 1-Year Sharpe Ratio distribution charts can be found below:
* The bar in red indicates where ACI Worldwide's 1-Year Sharpe Ratio falls into.
The 1-Year Sharpe Ratio measures the performance of an investment such as a stock or portfolio compared to a risk-free asset. A stock / portfolio's 1-Year Sharpe Ratio can be calculated by dividing the difference between the one-year returns of the investment and the risk-free rate, by the standard deviation of the investment returns over one year.
ACI Worldwide (STU:TSA) has a 1-Year Sharpe Ratio of 0.94 as of Aug. 20, 2026. 1-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk. View historical data for ACI Worldwide and its competitors.
Is ACI Worldwide's 1-Year Sharpe Ratio too high?
ACI Worldwide's current 1-Year Sharpe Ratio is 0.94. 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 1-Year Sharpe Ratio compare to PATH and DOX?
ACI Worldwide's 1-Year Sharpe Ratio of 0.94 can be compared against companies in the Software industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 1-Year Sharpe Ratio for a Software company?
A good 1-Year Sharpe Ratio depends on the Software industry context. However, 1-Year Sharpe Ratio 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 1-Year Sharpe Ratio mean?
A high 1-Year Sharpe Ratio can signal that a stock is expensive relative to its fundamentals. 1-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk. View historical data for ACI Worldwide and its competitors. ACI Worldwide's current 1-Year Sharpe Ratio is 0.94. 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 1-Year Sharpe Ratio is 0.94. 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 1-Year Sharpe Ratio calculated?
1-Year Sharpe Ratio is calculated from a company's financial statements. For ACI Worldwide (STU:TSA), the current 1-Year Sharpe Ratio is 0.94 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:
1-Year Sharpe Ratio: 0.94
GF Value™: €43.79 vs. price of €44.40 (1.4% above fair value)
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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