Viet Nam Power Development JSC (STC:VPD) 3-Year Sortino Ratio: -0.75 (As of Aug. 16, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

STC:VPD Viet Nam Power Development JSC STC:VPD
81 GF Score
Price ₫20,900.00
GF Value ₫29,361.89
Valuation Modestly Undervalued
! 1 Warning Sign
View Full Analysis

What is Viet Nam Power Development JSC 3-Year Sortino Ratio?

Viet Nam Power Development JSC STC:VPD -0.48% 81 3-Year Sortino Ratio is -0.75 as of Aug. 16, 2026. GuruFocus rates STC:VPD with a GF Score™ of 81/100 and a GF Value™ of ₫29,361.89 (Modestly Undervalued). The stock has 1 warning sign investors should review.

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 (2026-08-16), Viet Nam Power Development JSC's 3-Year Sortino Ratio is -0.75.


Viet Nam Power Development JSC  (STC:VPD) 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.


Viet Nam Power Development JSC 3-Year Sortino Ratio Related Terms


STC:VPD vs NEE, SO, DUK: 3-Year Sortino Ratio Comparison

For the Utilities - Regulated Electric subindustry, Viet Nam Power Development JSC'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.


Viet Nam Power Development JSC 3-Year Sortino Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Viet Nam Power Development JSC's 3-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where Viet Nam Power Development JSC's 3-Year Sortino Ratio falls into.


STC:VPD
81GF Score
Viet Nam Power Development JSC STC:VPD
3-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Viet Nam Power Development JSC 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.

Frequently Asked Questions Learn more about 3-Year Sortino Ratio →
What does a 3-Year Sortino Ratio of -0.75 mean?
Viet Nam Power Development JSC (STC:VPD) has a 3-Year Sortino Ratio of -0.75 as of Aug. 16, 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 Viet Nam Power Development JSC and its competitors.
Is Viet Nam Power Development JSC's 3-Year Sortino Ratio too high?
Viet Nam Power Development JSC's current 3-Year Sortino Ratio is -0.75. Overall, Viet Nam Power Development JSC has a GF Score™ of 81/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Viet Nam Power Development JSC's 3-Year Sortino Ratio compare to NEE and SO?
Viet Nam Power Development JSC's 3-Year Sortino Ratio of -0.75 can be compared against companies in the Utilities - Regulated 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 Utilities - Regulated company?
A good 3-Year Sortino Ratio depends on the Utilities - Regulated 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 Viet Nam Power Development JSC and its competitors. Viet Nam Power Development JSC's current 3-Year Sortino Ratio is -0.75. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Viet Nam Power Development JSC stock overvalued right now?
Based on GuruFocus' analysis, Viet Nam Power Development JSC (STC:VPD) is currently considered Modestly Undervalued. The stock's GF Value™ is ₫29,361.89, compared to a current price of ₫20,900.00 — trading 28.8% below its estimated fair value. The current 3-Year Sortino Ratio is -0.75. Viet Nam Power Development JSC's overall GF Score™ is 81/100 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 Viet Nam Power Development JSC (STC:VPD), the current 3-Year Sortino Ratio is -0.75 as of Aug. 16, 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 Viet Nam Power Development JSC (STC:VPD) Overvalued in 2026?

Based on GuruFocus' analysis, Viet Nam Power Development JSC stock appears to be undervalued. The current stock price of ₫20,900.00 is trading 28.8% below its estimated GF Value™ of ₫29,361.89. GuruFocus considers Viet Nam Power Development JSC to be Modestly Undervalued.

Key valuation signals for STC:VPD:

  • 3-Year Sortino Ratio: -0.75
  • GF Value™: ₫29,361.89 vs. price of ₫20,900.00 (28.8% below fair value)
  • GF Score™: 81/100 with 1 warning sign

No single metric tells the full story. See the STC:VPD stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Viet Nam Power Development JSC Business Description

Address No. 286 Nguyen Xien Street, 2nd Floor - CT2 Building, Thanh Liet Ward, Hanoi, VNM
Viet Nam Power Development JSC is engaged in the production and distribution of electricity in Vietnam. In addition, all of the Company's operations are conducted within the territory of Vietnam.
81GF Score

Get the complete analysis for STC:VPD

3-Year Sortino Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

₫20,900.00
Price
₫29,361.89
GF Value