Win Semiconductors (ROCO:3105) PEG Ratio: N/A (As of Jul. 15, 2026)

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ROCO:3105 Win Semiconductors Corp ROCO:3105
60 GF Score
Price NT$378.50
GF Value NT$171.42
Valuation Significantly Overvalued
! 2 Warning Signs
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What is Win Semiconductors PEG Ratio?

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, Win Semiconductors's PE Ratio without NRI is 72.65. Win Semiconductors's 5-Year EBITDA growth rate is -14.50%. Therefore, Win Semiconductors's PEG Ratio for today is N/A.

* 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 Win Semiconductors's PEG Ratio or its related term are showing as below:


During the past 13 years, Win Semiconductors's highest PEG Ratio was 172.29. The lowest was 0.40. And the median was 1.40.


ROCO:3105's PEG Ratio is not ranked *
in the Semiconductors industry.
Industry Median: 3.4
* Ranked among companies with meaningful PEG Ratio only.

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

Win Semiconductors  (ROCO:3105) 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.

Win Semiconductors PEG Ratio Related Terms

Win Semiconductors PEG Ratio Historical Data

* Premium members only.

The historical data trend for Win Semiconductors'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.

Win Semiconductors PEG Ratio Chart

Win Semiconductors Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PEG Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.92 4.87 0.00 0.00 0.00

Win Semiconductors Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

ROCO:3105 vs NVDA, AVGO, MU: PEG Ratio Comparison

For the Semiconductors subindustry, Win Semiconductors'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.

Win Semiconductors PEG Ratio vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Win Semiconductors's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Win Semiconductors's PEG Ratio falls into.


ROCO:3105
60GF Score
Win Semiconductors Corp ROCO:3105
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Win Semiconductors 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.

Win Semiconductors's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=72.648752399232/-14.50
=N/A

* 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.

Is Win Semiconductors (ROCO:3105) Overvalued in 2026?

Based on GuruFocus' analysis, Win Semiconductors stock appears to be overvalued. The current stock price of NT$378.50 is trading 120.8% above its estimated GF Value™ of NT$171.42. GuruFocus considers Win Semiconductors to be Significantly Overvalued.

Key valuation signals for ROCO:3105:

  • PEG Ratio: N/A
  • GF Value™: NT$171.42 vs. price of NT$378.50 (120.8% above fair value)
  • GF Score™: 60/100 with 2 warning signs

No single metric tells the full story. See the ROCO:3105 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Win Semiconductors Business Description

Address No. 69, Keji 7th Road, Hwaya Technology Park, Guishan District, Taoyuan, TWN, 33383
Founded in 1999, Win Semiconductors is the largest foundry for nonsilicon-based semiconductor components, most notably gallium arsenide, or GaAs; gallium nitride, or GaN; and silicon carbide, or SiC. Win Semi wielded over 50% share in the GaAs foundry market in 2025, followed by Advanced Wireless Semiconductor and GCS Holdings. The company's headquarters, four factories, and most of its 3,500 employees are based in Taoyuan City, Taiwan. Its products are applied in mobile, Wi-Fi networks, cellular infrastructure (such as base stations), satellite communication, optical communication, and 3D sensing. The company also provides automated testing and inspection services.
60GF Score

Get the complete analysis for ROCO:3105

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

NT$378.50
Price
NT$171.42
GF Value