Vianet Group (LSE:VNET) 1-Year Sortino Ratio: -1.59 (As of Aug. 02, 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.

LSE:VNET Vianet Group PLC LSE:VNET
40 GF Score
Price £0.66
GF Value £0.89
Valuation Modestly Undervalued
! 5 Warning Signs
View Full Analysis

What is Vianet Group 1-Year Sortino Ratio?

Vianet Group LSE:VNET 40 1-Year Sortino Ratio is -1.59 as of Aug. 02, 2026. GuruFocus rates LSE:VNET with a GF Score™ of 40/100 and a GF Value™ of £0.89 (Modestly Undervalued). The stock has 5 warning signs investors should review.

The 1-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past year. As of today (2026-08-02), Vianet Group's 1-Year Sortino Ratio is -1.59.


Vianet Group  (LSE:VNET) 1-Year Sortino Ratio Explanation

The 1-Year Sortino 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 the standard deviation of negative returns 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.

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.


Vianet Group 1-Year Sortino Ratio Related Terms


LSE:VNET vs CTAS, CPRT, GPN: 1-Year Sortino Ratio Comparison

For the Specialty Business Services subindustry, Vianet Group's 1-Year Sortino Ratio, along with its competitors' market caps and 1-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.


Vianet Group 1-Year Sortino Ratio vs Business Services Industry

For the Business Services industry and Industrials sector, Vianet Group's 1-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where Vianet Group's 1-Year Sortino Ratio falls into.


LSE:VNET
40GF Score
Vianet Group PLC LSE:VNET
1-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Vianet Group 1-Year Sortino Ratio Calculation

The 1-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio over the past year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 1-Year Sortino 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 downside risks over one 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 1-Year Sortino Ratio →
What does a 1-Year Sortino Ratio of -1.59 mean?
Vianet Group (LSE:VNET) has a 1-Year Sortino Ratio of -1.59 as of Aug. 02, 2026. 1-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk. View historical data for Vianet Group and its competitors.
Is Vianet Group's 1-Year Sortino Ratio too high?
Vianet Group's current 1-Year Sortino Ratio is -1.59. Overall, Vianet Group has a GF Score™ of 40/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Vianet Group's 1-Year Sortino Ratio compare to CTAS and CPRT?
Vianet Group's 1-Year Sortino Ratio of -1.59 can be compared against companies in the Business Services 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 Sortino Ratio for a Business Services company?
A good 1-Year Sortino Ratio depends on the Business Services industry context. However, 1-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 1-Year Sortino Ratio mean?
A high 1-Year Sortino Ratio can signal that a stock is expensive relative to its fundamentals. 1-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk. View historical data for Vianet Group and its competitors. Vianet Group's current 1-Year Sortino Ratio is -1.59. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Vianet Group stock overvalued right now?
Based on GuruFocus' analysis, Vianet Group (LSE:VNET) is currently considered Modestly Undervalued. The stock's GF Value™ is £0.89, compared to a current price of £0.66 — trading 25.8% below its estimated fair value. The current 1-Year Sortino Ratio is -1.59. Vianet Group's overall GF Score™ is 40/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 1-Year Sortino Ratio calculated?
1-Year Sortino Ratio is calculated from a company's financial statements. For Vianet Group (LSE:VNET), the current 1-Year Sortino Ratio is -1.59 as of Aug. 02, 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 Vianet Group (LSE:VNET) Overvalued in 2026?

Based on GuruFocus' analysis, Vianet Group stock appears to be undervalued. The current stock price of £0.66 is trading 25.8% below its estimated GF Value™ of £0.89. GuruFocus considers Vianet Group to be Modestly Undervalued.

Key valuation signals for LSE:VNET:

  • 1-Year Sortino Ratio: -1.59
  • GF Value™: £0.89 vs. price of £0.66 (25.8% below fair value)
  • GF Score™: 40/100 with 5 warning signs

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


Vianet Group Business Description

Other Exchanges AS2:Germany
Address One Surtees Way, Surtees Business Park, Stockton on Tees, GBR, TS18 3HR
Vianet Group PLC is a provider of actionable management information and business insight created by combining data from the smart Internet of Things solutions and external information sources. Smart Zones include Data insight and actionable data services as well as design, product development, sale, and rental of fluid monitoring equipment. The business of the group is divided into two divisions: Smart Machines, Smart Zones and Corporate/Technology. The company generates maximum revenue from the Smart Zones segment. Geographically, the company derives maximum of the revenue from the United Kingdom and has a presence in the Rest of Europe and the United States/Canada.
40GF Score

Get the complete analysis for LSE:VNET

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

£0.66
Price
£0.89
GF Value