Jason Co (ROCO:4570) PEG Ratio: 1.50 (As of Jul. 16, 2026) — 117% Above Median

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
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.

ROCO:4570 Jason Co Ltd ROCO:4570
90 GF Score
Price NT$70.90
GF Value NT$56.46
Valuation Modestly Overvalued
! 5 Warning Signs
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What is Jason Co PEG Ratio?

Jason Co ROCO:4570 +4.11% 90 PEG Ratio is 1.50 as of Jul. 16, 2026, which is 117% above its 10-year median of 0.69. GuruFocus rates ROCO:4570 with a GF Score™ of 90/100 and a GF Value™ of NT$56.46 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 668 Vehicles & Parts companies, Jason Co ranks worse than 58.23% 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, Jason Co's PE Ratio without NRI is 27.67. Jason Co's 5-Year EBITDA growth rate is 18.40%. Therefore, Jason Co's PEG Ratio for today is 1.50.

* 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 Jason Co's PEG Ratio or its related term are showing as below:

ROCO:4570' s PEG Ratio Range Over the Past 10 Years
Min: 0.32   Med: 0.69   Max: 1.51
Current: 1.5


During the past 9 years, Jason Co's highest PEG Ratio was 1.51. The lowest was 0.32. And the median was 0.69.


ROCO:4570's PEG Ratio is ranked worse than
58.23% of 668 companies
in the Vehicles & Parts industry
Industry Median: 1.16 vs ROCO:4570: 1.50

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Jason Co  (ROCO:4570) 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.


Jason Co PEG Ratio Related Terms


Jason Co PEG Ratio Historical Data

* Premium members only.

The historical data trend for Jason Co'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.

Jason Co PEG Ratio Chart

Jason Co Annual Data
Trend Dec15 Dec16 Dec17 Dec18 Dec19 Dec22 Dec23 Dec24 Dec25
PEG Ratio
Get a 7-Day Free Trial Premium Member Only 0.00 0.00 0.32 0.68 1.49

Jason Co Semi-Annual Data
Dec15 Dec16 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
PEG Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.32 0.00 0.68 0.00 1.49

ROCO:4570 vs ORLY, AZO: PEG Ratio Comparison

For the Auto Parts subindustry, Jason Co'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.


Jason Co PEG Ratio vs Vehicles & Parts Industry

For the Vehicles & Parts industry and Consumer Cyclical sector, Jason Co's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Jason Co's PEG Ratio falls into.


ROCO:4570
90GF Score
Jason Co Ltd ROCO:4570
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Jason Co PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

Jason Co's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=27.673692427791/18.40
=1.50

* 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.

Frequently Asked Questions Learn more about PEG Ratio →
What does a PEG Ratio of 1.50 mean?
Jason Co (ROCO:4570) has a PEG Ratio of 1.50 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 Jason Co and its competitors. This is 117% above median its historical median of 0.69. Over the past decade, Jason Co's PEG Ratio has ranged from 0.32 to 1.51. According to the industry distribution chart, Jason Co ranks #389 out of 668 companies in the Vehicles & Parts industry, placing it in the top 58.2%.
Is Jason Co's PEG Ratio too high?
Jason Co's current PEG Ratio of 1.50 is 117% above median its 10-year median of 0.69. Over the past 10 years, this metric has ranged from a low of 0.32 to a high of 1.51. The Vehicles & Parts industry median PEG Ratio is 1.16. Jason Co's value of 1.50 is 29.3% above this industry median. Based on the distribution chart, Jason Co ranks #389 out of 668 companies in the Vehicles & Parts industry, which is below the industry midpoint. Overall, Jason Co has a GF Score™ of 90/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Jason Co's PEG Ratio compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Jason Co ranks #389 out of 668 companies for PEG Ratio. This places Jason Co in the lower half of its industry. The industry median PEG Ratio is 1.16. Jason Co's value of 1.50 is 29.3% above this benchmark. Historically, Jason Co's own PEG Ratio has ranged from 0.32 to 1.51 over the past decade. While the company's 10-year median is 0.69 vs. the industry median of 1.16, Jason Co has consistently been above 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 Vehicles & Parts company?
The median PEG Ratio among Vehicles & Parts companies is 1.16, based on 668 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. Jason Co's current PEG Ratio of 1.50 is 29.3% above 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 Jason Co and its competitors. For the Vehicles & Parts industry, the median PEG Ratio is 1.16 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Jason Co's current PEG Ratio is 1.50, which is 117% above median its own 10-year median of 0.69. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Jason Co stock overvalued right now?
Based on GuruFocus' analysis, Jason Co (ROCO:4570) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$56.46, compared to a current price of NT$70.90 — trading 25.6% above its estimated fair value. The current PEG Ratio is 1.50, which is 117% above median its 10-year median of 0.69 and 29.3% above the Vehicles & Parts industry median of 1.16. Jason Co's overall GF Score™ is 90/100 with 5 warning signs 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 Jason Co (ROCO:4570), the current PEG Ratio is 1.50 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 Jason Co (ROCO:4570) Overvalued in 2026?

Based on GuruFocus' analysis, Jason Co stock appears to be overvalued. The current stock price of NT$70.90 is trading 25.6% above its estimated GF Value™ of NT$56.46. GuruFocus considers Jason Co to be Modestly Overvalued.

Key valuation signals for ROCO:4570:

  • PEG Ratio: 1.50 (117% above median its 10-year median of 0.69)
  • GF Value™: NT$56.46 vs. price of NT$70.90 (25.6% above fair value)
  • GF Score™: 90/100 with 5 warning signs
  • Industry Position: 29.3% above the Vehicles & Parts median (#389 of 668)

No single metric tells the full story. See the ROCO:4570 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Jason Co Business Description

Address No. 3-35 Zhonghe Road, Zhonghe Village, Ligang Township, Pingtung County, Zhonghe, TWN, 905
Jason Co Ltd is a Taiwan-based automobile parts company. It is engaged in the manufacturing of steering and suspension products.
90GF Score

Get the complete analysis for ROCO:4570

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

NT$70.90
Price
NT$56.46
GF Value