WTLLF (Water Intelligence) 10-Year Sortino Ratio: N/A (As of Sep. 04, 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.
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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.

WTLLF Water Intelligence PLC WTLLF
90 GF Score
Price $4.61
GF Value $6.03
Valuation Modestly Undervalued
! 10 Warning Signs
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What is Water Intelligence 10-Year Sortino Ratio?

The 10-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past ten years. As of today (2026-09-04), Water Intelligence's 10-Year Sortino Ratio is Not available.


Water Intelligence  (OTCPK:WTLLF) 10-Year Sortino Ratio Explanation

The 10-Year Sortino Ratio inidicates the risk-adjusted return of an investment over the past ten year. It is calculated as the annualized result of the average ten-year monthly excess returns divided by the standard deviation of negative returns in the ten-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.


Water Intelligence 10-Year Sortino Ratio Related Terms


WTLLF vs CTAS, CPRT, GPN: 10-Year Sortino Ratio Comparison

For the Specialty Business Services subindustry, Water Intelligence's 10-Year Sortino Ratio, along with its competitors' market caps and 10-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.


Water Intelligence 10-Year Sortino Ratio vs Business Services Industry

For the Business Services industry and Industrials sector, Water Intelligence's 10-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where Water Intelligence's 10-Year Sortino Ratio falls into.


WTLLF
90GF Score
Water Intelligence PLC WTLLF
10-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Water Intelligence 10-Year Sortino Ratio Calculation

The 10-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio in the last ten year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 10-Year Sortino Ratio can be calculated by dividing the difference between the ten-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the downside risks over the past ten 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.

Is Water Intelligence (WTLLF) Overvalued in 2026?

Based on GuruFocus' analysis, Water Intelligence stock appears to be undervalued. The current stock price of $4.61 is trading 23.5% below its estimated GF Value™ of $6.03. GuruFocus considers Water Intelligence to be Modestly Undervalued.

Key valuation signals for WTLLF:

  • 10-Year Sortino Ratio: N/A
  • GF Value™: $6.03 vs. price of $4.61 (23.5% below fair value)
  • GF Score™: 90/100 with 10 warning signs

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


Water Intelligence Business Description

Other Exchanges WATR:UKPHRE:Germany
Address 27-28 Eastcastle Street, London, GBR, W1W 8DH
Water Intelligence PLC provides leak detection and remediation services based in the United Kingdom. The company along with its subsidiaries offers a range of solutions and products for residential, commercial, and municipal customers. It generates revenue from Franchise royalty income, as well as franchise-related activities including product and equipment sales, business-to-business sales, and franchise sales. Additionally, it generates revenue from United States corporate-operated locations and International corporate-operated locations.
90GF Score

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

$4.61
Price
$6.03
GF Value