RION Co (TSE:6823) GF Score: 90/100 (As of Jul. 15, 2026) — 20% Above 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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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.

TSE:6823 RION Co Ltd TSE:6823
90 GF Score
Price 円3,555.00
GF Value 円2,677.91
Valuation Significantly Overvalued
! 6 Warning Signs
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What is RION Co GF Score?

RION Co TSE:6823 +1.72% 90 GF Score is 90 as of Jul. 15, 2026, which is 20% above its 10-year median of 75.00. GuruFocus rates TSE:6823 with a GF Score™ of 90/100 and a GF Value™ of 円2,677.91 (Significantly Overvalued). The stock has 6 warning signs investors should review.

RION Co has the GF Score of 90, which implies that the company might have Good outperformance potential.

The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.

GF Score takes following five key aspects into consideration:

1. Financial Strength : 10/10
2. Profitability Rank : 8/10
3. Growth Rank : 9/10
4. GF Value Rank : 5/10
5. Momentum Rank : 10/10

Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.

Based on research and backtesting result, GuruFocus believes RION Co might have Good outperformance potential.

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

RION Co  (TSE:6823) GF Score Explanation

Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:

GF Score Performance Potential and All-in-One Screener Examples (1)
91 - 100Highest outperformance potential
81 - 90Good outperformance potential
71 - 80Likely to have average performance
51 - 70Poor future performance potential
0 - 50Worst future performance potential, or not enough data

(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.

RION Co GF Score Related Terms

TSE:6823 vs ABT, SYK, MDT: GF Score Comparison

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

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

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


TSE:6823
90GF Score
RION Co Ltd TSE:6823
GF Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Score →
What does a GF Score of 90 mean?
RION Co (TSE:6823) has a GF Score of 90 as of Jul. 15, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on RION Co and its competitors. This is 20% above median its historical median of 75.00. Over the past decade, RION Co's GF Score has ranged from 35.00 to 95.00.
Is RION Co's GF Score too high?
RION Co's current GF Score of 90 is 20% above median its 10-year median of 75.00. Over the past 10 years, this metric has ranged from a low of 35.00 to a high of 95.00. Overall, RION Co has a GF Score™ of 90/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does RION Co's GF Score compare to ABT and SYK?
RION Co's GF Score of 90 can be compared against companies in the Medical Devices & Instruments industry. Historically, RION Co's own GF Score has ranged from 35.00 to 95.00 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 Score for a Medical Devices & Instruments company?
A good GF Score depends on the Medical Devices & Instruments industry context. However, GF Score 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 Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on RION Co and its competitors. RION Co's current GF Score is 90, which is 20% above median its own 10-year median of 75.00. 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?
Based on GuruFocus' analysis, RION Co (TSE:6823) is currently considered Significantly Overvalued. The stock's GF Value™ is 円2,677.91, compared to a current price of 円3,555.00 — trading 32.8% above its estimated fair value. The current GF Score is 90, which is 20% above median its 10-year median of 75.00. 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 Score calculated?
GF Score is calculated from a company's financial statements. For RION Co (TSE:6823), the current GF Score is 90 as of Jul. 15, 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 (TSE:6823) Overvalued in 2026?

Based on GuruFocus' analysis, RION Co stock appears to be overvalued. The current stock price of 円3,555.00 is trading 32.8% above its estimated GF Value™ of 円2,677.91. GuruFocus considers RION Co to be Significantly Overvalued.

Key valuation signals for TSE:6823:

  • GF Score: 90 (20% above median its 10-year median of 75.00)
  • GF Value™: 円2,677.91 vs. price of 円3,555.00 (32.8% above fair value)
  • GF Score™: 90/100 with 6 warning signs

No single metric tells the full story. See the TSE:6823 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

RION Co Business Description

Other Exchanges G73: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

Get the complete analysis for TSE:6823

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

円3,555.00
Price
円2,677.91
GF Value