RIOXF (RION Co) 3-Year Sortino Ratio: N/A (As of Sep. 11, 2026)

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

RIOXF RION Co Ltd RIOXF
91 GF Score
Price $14.63
GF Value $11.92
! 1 Warning Sign
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What is RION Co 3-Year Sortino Ratio?

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 (2026-09-11), RION Co's 3-Year Sortino Ratio is Not available.


RION Co  (OTCPK:RIOXF) 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.


RION Co 3-Year Sortino Ratio Related Terms


RIOXF vs ABT, SYK, MDT: 3-Year Sortino Ratio Comparison

For the Medical Devices subindustry, RION Co'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.


RION Co 3-Year Sortino Ratio vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, RION Co's 3-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where RION Co's 3-Year Sortino Ratio falls into.


RIOXF
91GF Score
RION Co Ltd RIOXF
3-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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RION Co 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.

Is RION Co (RIOXF) Overvalued in 2026?

Based on GuruFocus' analysis, RION Co stock appears to be overvalued. The current stock price of $14.63 is trading 22.7% above its estimated GF Value™ of $11.92.

Key valuation signals for RIOXF:

  • 3-Year Sortino Ratio: N/A
  • GF Value™: $11.92 vs. price of $14.63 (22.7% above fair value)
  • GF Score™: 91/100 with 1 warning sign

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


RION Co Business Description

Other Exchanges 6823:JapanG73:Germany
Address 3-20-41 Higashimotomachi, Kokubunji, Tokyo, JPN, 185-8533
RION Co Ltd is engaged in manufacturing and selling of maintenance services of a medical device. The company offers hearing instruments and medical equipment, an environmental device including sound and vibration measuring instruments and particle counters and parts and equipment.
91GF Score

Get the complete analysis for RIOXF

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

$14.63
Price
$11.92
GF Value