RION CoRIOXF 87 PB Ratio is 0.91 as of Jul. 01, 2026, which is 22% below its 10-year median of 1.16. GuruFocus rates RIOXF with a GF Score™ of 87/100 and a GF Value™ of $10.08. The stock has 6 warning signs investors should review. Among 787 Medical Devices & Instruments companies, RION Co ranks better than 63.53% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-01), RION Co's share price is $14.63. RION Co's Book Value per Share for the quarter that ended in Mar. 2026 was $16.07. Hence, RION Co's PB Ratio of today is 0.91.
Warning Sign:
RION Co Ltd stock PB Ratio (=1.52) is close to 5-year high of 1.53.
The historical rank and industry rank for RION Co's PB Ratio or its related term are showing as below:
RIOXF'
s PB Ratio Range Over the Past 10 Years
Min: 0.77 Med: 1.16 Max: 2.14
Current: 1.52
During the past 13 years, RION Co's highest PB Ratio was 2.14. The lowest was 0.77. And the median was 1.16.
RIOXF's PB Ratio is ranked better than 63.53% of 787
companies
in the Medical Devices & Instruments industry
Industry Median: 2.08
vs RIOXF: 1.52
During the past 12 months, RION Co's average Book Value Per Share Growth Rate was -9.80% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 5.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 7.20% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 7.00% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of RION Co was 11.20% per year. The lowest was 0.70% per year. And the median was 6.55% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
RION Co PB Ratio Related Terms
RION Co PB Ratio Historical Data
* Premium members only.
The historical data trend for RION Co's PB Ratio can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Medical Devices subindustry, RION Co's PB Ratio, along with its competitors' market caps and PB 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 PB Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, RION Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where RION Co's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
RION Co's PB Ratio for today is calculated as follows:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
RION Co (RIOXF) has a PB Ratio of 0.91 as of Jul. 01, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on RION Co and its competitors. This is 22% below median its historical median of 1.16. Over the past decade, RION Co's PB Ratio has ranged from 0.77 to 2.14. According to the industry distribution chart, RION Co ranks #287 out of 787 companies in the Medical Devices & Instruments industry, placing it in the top 36.5%.
Is RION Co's PB Ratio too high?
RION Co's current PB Ratio of 0.91 is 22% below median its 10-year median of 1.16. Over the past 10 years, this metric has ranged from a low of 0.77 to a high of 2.14. The Medical Devices & Instruments industry median PB Ratio is 2.08. RION Co's value of 0.91 is 56.3% below this industry median. Based on the distribution chart, RION Co ranks #287 out of 787 companies in the Medical Devices & Instruments industry, which is above the industry midpoint. Overall, RION Co has a GF Score™ of 87/100, reflecting its overall financial health beyond just this single metric.
How does RION Co's PB Ratio compare to ABT and SYK?
According to the Medical Devices & Instruments industry distribution chart, RION Co ranks #287 out of 787 companies for PB Ratio. This puts RION Co in the upper half of its industry. The industry median PB Ratio is 2.08. RION Co's value of 0.91 is 56.3% below this benchmark. Historically, RION Co's own PB Ratio has ranged from 0.77 to 2.14 over the past decade. While the company's 10-year median is 1.16 vs. the industry median of 2.08, RION Co has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Medical Devices & Instruments company?
The median PB Ratio among Medical Devices & Instruments companies is 2.08, based on 787 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. RION Co's current PB Ratio of 0.91 is 56.3% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on RION Co and its competitors. For the Medical Devices & Instruments industry, the median PB Ratio is 2.08 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. RION Co's current PB Ratio is 0.91, which is 22% below median its own 10-year median of 1.16. 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 PB Ratio of 0.91. The stock's GF Value™ is $10.08, compared to a current price of $14.63 — trading 45.1% above its estimated fair value. The current PB Ratio is 0.91, which is 22% below median its 10-year median of 1.16 and 56.3% below the Medical Devices & Instruments industry median of 2.08. RION Co's overall GF Score™ is 87/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For RION Co (RIOXF), the current PB Ratio is 0.91 as of Jul. 01, 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 45.1% above its estimated GF Value™ of $10.08.
Key valuation signals for RIOXF:
PB Ratio: 0.91 (22% below median its 10-year median of 1.16)
GF Value™: $10.08 vs. price of $14.63 (45.1% above fair value)
Industry Position: 56.3% below the Medical Devices & Instruments median (#287 of 787)
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 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.
87GF Score
Get the complete analysis for RIOXF
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
RIOXF has been successfully added to your 
