Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
The 3-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past three years. As of today (2026-08-04), STI Education Systems Holdings's 3-Year Sortino Ratio is 2.96.
STI Education Systems Holdings (PHS:STI) 3-Year Sortino Ratio Explanation
The 3-Year Sortino Ratio inidicates the risk-adjusted return of an investment over the past three year. It is calculated as the annualized result of the average three-year monthly excess returns divided by the standard deviation of negative returns in the three-year period. 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.
Differnt from the Sharpe Ratio that penalizes both upside and downside volatility equally, the Sortino Ratio penalizes only those returns falling below a user-specified target or required rate of return. The expected returns here is set to the risk-free rate as well.
STI Education Systems Holdings 3-Year Sortino Ratio Related Terms
PHS:STI vs EDU, TAL, LAUR: 3-Year Sortino Ratio Comparison
For the Education & Training Services subindustry, STI Education Systems Holdings's 3-Year Sortino Ratio, along with its competitors' market caps and 3-Year Sortino 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.
STI Education Systems Holdings 3-Year Sortino Ratio vs Education Industry
For the Education industry and Consumer Defensive sector, STI Education Systems Holdings's 3-Year Sortino Ratio distribution charts can be found below:
* The bar in red indicates where STI Education Systems Holdings's 3-Year Sortino Ratio falls into.
STI Education Systems Holdings 3-Year Sortino Ratio Calculation
The 3-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio in the last three year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 3-Year Sortino Ratio can be calculated by dividing the difference between the three-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the downside risks over the past three year.
A downside risk is a potential loss from the asset or investment. The Downside risk here is measured by the downside deviation, which is the standard deviation of negative returns.
STI Education Systems Holdings (PHS:STI) has a 3-Year Sortino Ratio of 2.96 as of Aug. 04, 2026. 3-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past three years. View historical data for STI Education Systems Holdings and its competitors.
Is STI Education Systems Holdings' 3-Year Sortino Ratio too high?
STI Education Systems Holdings' current 3-Year Sortino Ratio is 2.96. Overall, STI Education Systems Holdings has a GF Score™ of 98/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does STI Education Systems Holdings' 3-Year Sortino Ratio compare to EDU and TAL?
STI Education Systems Holdings' 3-Year Sortino Ratio of 2.96 can be compared against companies in the Education industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Sortino Ratio for an Education company?
A good 3-Year Sortino Ratio depends on the Education industry context. However, 3-Year Sortino 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 3-Year Sortino Ratio mean?
A high 3-Year Sortino Ratio can signal that a stock is expensive relative to its fundamentals. 3-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past three years. View historical data for STI Education Systems Holdings and its competitors. STI Education Systems Holdings's current 3-Year Sortino Ratio is 2.96. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is STI Education Systems Holdings stock overvalued right now?
Based on GuruFocus' analysis, STI Education Systems Holdings (PHS:STI) is currently considered Modestly Undervalued. The stock's GF Value™ is ₱1.38, compared to a current price of ₱1.23 — trading 10.9% below its estimated fair value. The current 3-Year Sortino Ratio is 2.96. STI Education Systems Holdings' overall GF Score™ is 98/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Sortino Ratio calculated?
3-Year Sortino Ratio is calculated from a company's financial statements. For STI Education Systems Holdings (PHS:STI), the current 3-Year Sortino Ratio is 2.96 as of Aug. 04, 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 STI Education Systems Holdings (PHS:STI) Overvalued in 2026?
Based on GuruFocus' analysis, STI Education Systems Holdings stock appears to be undervalued.
The current stock price of ₱1.23 is trading 10.9% below its estimated GF Value™ of ₱1.38.
GuruFocus considers STI Education Systems Holdings to be Modestly Undervalued.
Key valuation signals for PHS:STI:
3-Year Sortino Ratio: 2.96
GF Value™: ₱1.38 vs. price of ₱1.23 (10.9% below fair value)
No single metric tells the full story. See the PHS:STI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
STI Education Systems Holdings Inc is a Philippine investment holding company focused on education and education-related activities through subsidiaries that operate schools offering basic education, Senior High School, tertiary, post-graduate, and non-degree programs. The majority of its revenues come from educational services provided over time. It is organized into five geographical segments: Metro Manila, Northern Luzon, Southern Luzon, Visayas, and Mindanao, with the majority of revenue coming from Metro Manila.
98GF Score
Get the complete analysis for PHS:STI
3-Year Sortino Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
PHS:STI has been successfully added to your 
