GLKFF (Cleantek Industries) 5-Year Sortino Ratio: N/A (As of Sep. 08, 2026)

Author: Vera Yuan Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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Charlie Tian
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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.

GLKFF Cleantek Industries Inc GLKFF
50 GF Score
Price $0.39
GF Value $0.39
Valuation Fairly Valued
! 4 Warning Signs
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What is Cleantek Industries 5-Year Sortino Ratio?

The 5-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past five years. As of today (2026-09-08), Cleantek Industries's 5-Year Sortino Ratio is Not available.


Cleantek Industries  (OTCPK:GLKFF) 5-Year Sortino Ratio Explanation

The 5-Year Sortino Ratio inidicates the risk-adjusted return of an investment over the past five year. It is calculated as the annualized result of the average five-year monthly excess returns divided by the standard deviation of negative returns in the five-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.


Cleantek Industries 5-Year Sortino Ratio Related Terms


GLKFF vs GEV, ETN, PH: 5-Year Sortino Ratio Comparison

For the Specialty Industrial Machinery subindustry, Cleantek Industries's 5-Year Sortino Ratio, along with its competitors' market caps and 5-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.


Cleantek Industries 5-Year Sortino Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Cleantek Industries's 5-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where Cleantek Industries's 5-Year Sortino Ratio falls into.


GLKFF
50GF Score
Cleantek Industries Inc GLKFF
5-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Cleantek Industries 5-Year Sortino Ratio Calculation

The 5-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio in the last five year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 5-Year Sortino Ratio can be calculated by dividing the difference between the five-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the downside risks over the past five 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 Cleantek Industries (GLKFF) Overvalued in 2026?

Based on GuruFocus' analysis, Cleantek Industries stock appears to be undervalued. The current stock price of $0.39 is trading 0% below its estimated GF Value™ of $0.39. GuruFocus considers Cleantek Industries to be Fairly Valued.

Key valuation signals for GLKFF:

  • 5-Year Sortino Ratio: N/A
  • GF Value™: $0.39 vs. price of $0.39 (0% below fair value)
  • GF Score™: 50/100 with 4 warning signs

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


Cleantek Industries Business Description

Other Exchanges CTEK:Canada
Address 520 5th Avenue SW, Suite 1210, Calgary, AB, CAN, T2P 3R7
Cleantek Industries Inc is engaged in the manufacturing and rental of equipment to the oil and gas and construction industries in Western Canada and the United States. Its products include ZeroE, Halo, DZeroE, and SolarHybrid.Li, SolarHybrid, and Stadium Lighting among others. The company's revenue is generated from the rental and service of dehydration units, lighting towers, and lighting systems based on fixed or agreed-upon service contracts with the customer.
50GF Score

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

$0.39
Price
$0.39
GF Value