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.
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.
VizionfocusTPE:4771 -0.49%91 PEG Ratio is 0.46 as of Jul. 16, 2026, which is 12% above its 10-year median of 0.41. GuruFocus rates TPE:4771 with a GF Score™ of 91/100 and a GF Value™ of NT$294.76 (Significantly Undervalued). The stock has 1 warning sign investors should review. Among 209 Medical Devices & Instruments companies, Vizionfocus ranks better than 91.39% on this metric.
PE Ratio without NRI / 5-Year EBITDA Growth Rate*
PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, Vizionfocus's PE Ratio without NRI is 16.19. Vizionfocus's 5-Year EBITDA growth rate is 35.00%. Therefore, Vizionfocus's PEG Ratio for today is 0.46.
* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
The historical rank and industry rank for Vizionfocus's PEG Ratio or its related term are showing as below:
TPE:4771'
s PEG Ratio Range Over the Past 10 Years
Min: 0.27 Med: 0.41 Max: 0.53
Current: 0.46
During the past 8 years, Vizionfocus's highest PEG Ratio was 0.53. The lowest was 0.27. And the median was 0.41.
TPE:4771's PEG Ratio is ranked better than 91.39% of 209
companies
in the Medical Devices & Instruments industry
Industry Median: 2.01
vs TPE:4771: 0.46
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
Vizionfocus (TPE:4771) PEG Ratio Explanation
To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.
Vizionfocus PEG Ratio Related Terms
Vizionfocus PEG Ratio Historical Data
* Premium members only.
The historical data trend for Vizionfocus's PEG 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 Instruments & Supplies subindustry, Vizionfocus's PEG Ratio, along with its competitors' market caps and PEG 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.
Vizionfocus PEG Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Vizionfocus's PEG Ratio distribution charts can be found below:
* The bar in red indicates where Vizionfocus's PEG Ratio falls into.
* 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.
* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
Vizionfocus (TPE:4771) has a PEG Ratio of 0.46 as of Jul. 16, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Vizionfocus and its competitors. This is 12% above median its historical median of 0.41. Over the past decade, Vizionfocus' PEG Ratio has ranged from 0.27 to 0.53. According to the industry distribution chart, Vizionfocus ranks #18 out of 209 companies in the Medical Devices & Instruments industry, placing it in the top 8.6%.
Is Vizionfocus' PEG Ratio too high?
Vizionfocus' current PEG Ratio of 0.46 is 12% above median its 10-year median of 0.41. Over the past 10 years, this metric has ranged from a low of 0.27 to a high of 0.53. The Medical Devices & Instruments industry median PEG Ratio is 2.01. Vizionfocus' value of 0.46 is 77.1% below this industry median. Based on the distribution chart, Vizionfocus ranks #18 out of 209 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, Vizionfocus has a GF Score™ of 91/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Vizionfocus' PEG Ratio compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Vizionfocus ranks #18 out of 209 companies for PEG Ratio. This places Vizionfocus in the top 9% of its industry — outperforming the majority of peers. The industry median PEG Ratio is 2.01. Vizionfocus' value of 0.46 is 77.1% below this benchmark. Historically, Vizionfocus' own PEG Ratio has ranged from 0.27 to 0.53 over the past decade. While the company's 10-year median is 0.41 vs. the industry median of 2.01, Vizionfocus 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 PEG Ratio for a Medical Devices & Instruments company?
The median PEG Ratio among Medical Devices & Instruments companies is 2.01, based on 209 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Vizionfocus's current PEG Ratio of 0.46 is 77.1% 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Vizionfocus and its competitors. For the Medical Devices & Instruments industry, the median PEG Ratio is 2.01 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Vizionfocus's current PEG Ratio is 0.46, which is 12% above median its own 10-year median of 0.41. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Vizionfocus stock overvalued right now?
Based on GuruFocus' analysis, Vizionfocus (TPE:4771) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$294.76, compared to a current price of NT$203.00 — trading 31.1% below its estimated fair value. The current PEG Ratio is 0.46, which is 12% above median its 10-year median of 0.41 and 77.1% below the Medical Devices & Instruments industry median of 2.01. Vizionfocus' overall GF Score™ is 91/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For Vizionfocus (TPE:4771), the current PEG Ratio is 0.46 as of Jul. 16, 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 Vizionfocus (TPE:4771) Overvalued in 2026?
Based on GuruFocus' analysis, Vizionfocus stock appears to be undervalued.
The current stock price of NT$203.00 is trading 31.1% below its estimated GF Value™ of NT$294.76.
GuruFocus considers Vizionfocus to be Significantly Undervalued.
Key valuation signals for TPE:4771:
PEG Ratio: 0.46 (12% above median its 10-year median of 0.41)
GF Value™: NT$294.76 vs. price of NT$203.00 (31.1% below fair value)
Industry Position: 77.1% below the Medical Devices & Instruments median (#18 of 209)
No single metric tells the full story. See the TPE:4771 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Vizionfocus Inc is mainly engaged in the manufacturing of medical equipment, machinery and equipment, optical instruments, precision instruments, international trading, and other consulting services. The Company operates through the VIZIONFOCUS segment, which generates maximum revenue and is engaged in the manufacturing of medical equipment, machinery and equipment, optical instruments, precision instruments, international trading, and other consulting services, and the Jiangsu Vizionfocus Inc. segment, whose main business includes the research and development, design, and production of contact lenses, as well as the wholesale, import, and export of related products.
91GF Score
Get the complete analysis for TPE:4771
PEG 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
TPE:4771 has been successfully added to your 
