RIOXF (RION Co) GF Value Rank: 5 (As of Jul. 14, 2026) — 29% Below Median

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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
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
90 GF Score
Price $14.63
GF Value $10.92
! 6 Warning Signs
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What is RION Co GF Value Rank?

RION Co RIOXF 90 GF Value Rank is 5 as of Jul. 14, 2026, which is 29% below its 10-year median of 7.00. GuruFocus rates RIOXF with a GF Score™ of 90/100 and a GF Value™ of $10.92. The stock has 6 warning signs investors should review.

RION Co has the GF Value Rank of 5.

GF Value Rank evaluates the exclusive GuruFocus valuation and performance of a stock, rated on a scale from 1 to 10. It is determined by the price-to-GF-Value (P/GF Value) ratio, a proprietary metric calculated based on historical multiples along with an adjustment factor based on a company's past returns and growth and future estimates of the business' performance.

GuruFocus found that for valuation, we cannot simply give stocks a better GF Value rank simply because they have a lower P/GF Value ratio. Backtesting shows that over the long term, the two worst-performing groups are the most expensive group (with the highest P/GF Value ratio) and the least expensive group (with the lowest P/GF Value ratio).

We can understand why the most expensive group underperforms. We were initially puzzled by the underperformance of the least expensive group, but we realized there is a reason why some stocks are super cheap. If they look too undervalued, it is often because the businesses behind them are poor quality. The market realized this and gave them low valuations. In a way, the market is efficient.

After multiple backtesting analyses, we granted the stocks in third-cheapest percentile the highest GF Value rank, as they have performed the best over a full market cycle. Stock performance is actually not as sensitive to valuation as it is to growth and profitability. On average, the companies in the 20%-50% valuation groups have similar performances. Therefore, we should avoid the most expensive and the least expensive stocks. We can be more tolerant of valuation.

A higher score indicates a stock with a relatively low valuation and substantial potential for outperformance. Conversely, a lower score often reflects stocks that are either highly overvalued or deeply undervalued, both of which tend to underperform.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.

RIOXF vs ABT, SYK, MDT: GF Value Rank Comparison

For the Medical Devices subindustry, RION Co's GF Value Rank, along with its competitors' market caps and GF Value Rank 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 GF Value Rank vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, RION Co's GF Value Rank distribution charts can be found below:

* The bar in red indicates where RION Co's GF Value Rank falls into.


RIOXF
90GF Score
RION Co Ltd RIOXF
GF Value Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Value Rank →
What does a GF Value Rank of 5 mean?
RION Co (RIOXF) has a GF Value Rank of 5 as of Jul. 14, 2026. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on RION Co and its competitors. This is 29% below median its historical median of 7.00. Over the past decade, RION Co's GF Value Rank has ranged from 3.00 to 10.00.
Is RION Co's GF Value Rank too high?
RION Co's current GF Value Rank of 5 is 29% below median its 10-year median of 7.00. Over the past 10 years, this metric has ranged from a low of 3.00 to a high of 10.00. Overall, RION Co has a GF Score™ of 90/100, reflecting its overall financial health beyond just this single metric.
How does RION Co's GF Value Rank compare to ABT and SYK?
RION Co's GF Value Rank of 5 can be compared against companies in the Medical Devices & Instruments industry. Historically, RION Co's own GF Value Rank has ranged from 3.00 to 10.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Value Rank for a Medical Devices & Instruments company?
A good GF Value Rank depends on the Medical Devices & Instruments industry context. However, GF Value Rank 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 GF Value Rank mean?
A high GF Value Rank can signal that a stock is expensive relative to its fundamentals. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on RION Co and its competitors. RION Co's current GF Value Rank is 5, which is 29% below median its own 10-year median of 7.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is RION Co stock overvalued right now?
RION Co (RIOXF) has a current GF Value Rank of 5. The stock's GF Value™ is $10.92, compared to a current price of $14.63 — trading 34% above its estimated fair value. The current GF Value Rank is 5, which is 29% below median its 10-year median of 7.00. RION Co's overall GF Score™ is 90/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Value Rank calculated?
GF Value Rank is calculated from a company's financial statements. For RION Co (RIOXF), the current GF Value Rank is 5 as of Jul. 14, 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 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 34% above its estimated GF Value™ of $10.92.

Key valuation signals for RIOXF:

  • GF Value Rank: 5 (29% below median its 10-year median of 7.00)
  • GF Value™: $10.92 vs. price of $14.63 (34% above fair value)
  • GF Score™: 90/100 with 6 warning signs

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.
90GF Score

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

$14.63
Price
$10.92
GF Value