Taiwan Semiconductor Co (ROCO:5425) PEG Ratio: 34.80 (As of Jul. 22, 2026) — 1368% Above Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
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.
Reviewed by: Charlie Tian Charlie Tian
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:5425 Taiwan Semiconductor Co Ltd ROCO:5425
82 GF Score
Price NT$89.50
GF Value NT$87.67
Valuation Fairly Valued
! 4 Warning Signs
View Full Analysis

What is Taiwan Semiconductor Co PEG Ratio?

Taiwan Semiconductor Co ROCO:5425 +4.07% 82 PEG Ratio is 34.80 as of Jul. 22, 2026, which is 1368% above its 10-year median of 2.37. GuruFocus rates ROCO:5425 with a GF Score™ of 82/100 and a GF Value™ of NT$87.67 (Fairly Valued). The stock has 4 warning signs investors should review. Among 329 Semiconductors companies, Taiwan Semiconductor Co ranks worse than 89.97% 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, Taiwan Semiconductor Co's PE Ratio without NRI is 41.76. Taiwan Semiconductor Co's 5-Year EBITDA growth rate is 1.20%. Therefore, Taiwan Semiconductor Co's PEG Ratio for today is 34.80.

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

ROCO:5425' s PEG Ratio Range Over the Past 10 Years
Min: 0.57   Med: 2.37   Max: 125.93
Current: 34.8


During the past 13 years, Taiwan Semiconductor Co's highest PEG Ratio was 125.93. The lowest was 0.57. And the median was 2.37.


ROCO:5425's PEG Ratio is ranked worse than
89.97% of 329 companies
in the Semiconductors industry
Industry Median: 3.36 vs ROCO:5425: 34.80

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


Taiwan Semiconductor Co  (ROCO:5425) 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.


Taiwan Semiconductor Co PEG Ratio Related Terms


Taiwan Semiconductor Co PEG Ratio Historical Data

* Premium members only.

The historical data trend for Taiwan Semiconductor 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.

Taiwan Semiconductor Co PEG Ratio Chart

Taiwan Semiconductor Co 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 6.20 1.17 2.38 4.45 0.00

Taiwan Semiconductor Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 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 Premium Member Only Premium Member Only Premium Member Only Premium Member Only 4.45 5.43 13.41 110.11 0.00

ROCO:5425 vs NVDA, AVGO, MU: PEG Ratio Comparison

For the Semiconductors subindustry, Taiwan Semiconductor 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.


Taiwan Semiconductor Co PEG Ratio vs Semiconductors Industry

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

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


ROCO:5425
82GF Score
Taiwan Semiconductor Co Ltd ROCO:5425
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Taiwan Semiconductor 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.

Taiwan Semiconductor Co's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=41.763882407839/1.20
=34.80

* 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 34.80 mean?
Taiwan Semiconductor Co (ROCO:5425) has a PEG Ratio of 34.80 as of Jul. 22, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Taiwan Semiconductor Co and its competitors. This is 1368% above median its historical median of 2.37. Over the past decade, Taiwan Semiconductor Co's PEG Ratio has ranged from 0.57 to 125.93. According to the industry distribution chart, Taiwan Semiconductor Co ranks #296 out of 329 companies in the Semiconductors industry, placing it in the top 90%.
Is Taiwan Semiconductor Co's PEG Ratio too high?
Taiwan Semiconductor Co's current PEG Ratio of 34.80 is 1368% above median its 10-year median of 2.37. Over the past 10 years, this metric has ranged from a low of 0.57 to a high of 125.93. The Semiconductors industry median PEG Ratio is 3.36. Taiwan Semiconductor Co's value of 34.80 is 935.7% above this industry median. Based on the distribution chart, Taiwan Semiconductor Co ranks #296 out of 329 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Taiwan Semiconductor Co has a GF Score™ of 82/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Taiwan Semiconductor Co's PEG Ratio compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Taiwan Semiconductor Co ranks #296 out of 329 companies for PEG Ratio. This places Taiwan Semiconductor Co in the lower half of its industry. The industry median PEG Ratio is 3.36. Taiwan Semiconductor Co's value of 34.80 is 935.7% above this benchmark. Historically, Taiwan Semiconductor Co's own PEG Ratio has ranged from 0.57 to 125.93 over the past decade. While the company's 10-year median is 2.37 vs. the industry median of 3.36, Taiwan Semiconductor 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 Semiconductors company?
The median PEG Ratio among Semiconductors companies is 3.36, based on 329 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. Taiwan Semiconductor Co's current PEG Ratio of 34.80 is 935.7% 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 Taiwan Semiconductor Co and its competitors. For the Semiconductors industry, the median PEG Ratio is 3.36 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Taiwan Semiconductor Co's current PEG Ratio is 34.80, which is 1368% above median its own 10-year median of 2.37. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Taiwan Semiconductor Co stock overvalued right now?
Based on GuruFocus' analysis, Taiwan Semiconductor Co (ROCO:5425) is currently considered Fairly Valued. The stock's GF Value™ is NT$87.67, compared to a current price of NT$89.50 — trading 2.1% above its estimated fair value. The current PEG Ratio is 34.80, which is 1368% above median its 10-year median of 2.37 and 935.7% above the Semiconductors industry median of 3.36. Taiwan Semiconductor Co's overall GF Score™ is 82/100 with 4 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 Taiwan Semiconductor Co (ROCO:5425), the current PEG Ratio is 34.80 as of Jul. 22, 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 Taiwan Semiconductor Co (ROCO:5425) Overvalued in 2026?

Based on GuruFocus' analysis, Taiwan Semiconductor Co stock appears to be overvalued. The current stock price of NT$89.50 is trading 2.1% above its estimated GF Value™ of NT$87.67. GuruFocus considers Taiwan Semiconductor Co to be Fairly Valued.

Key valuation signals for ROCO:5425:

  • PEG Ratio: 34.80 (1368% above median its 10-year median of 2.37)
  • GF Value™: NT$87.67 vs. price of NT$89.50 (2.1% above fair value)
  • GF Score™: 82/100 with 4 warning signs
  • Industry Position: 935.7% above the Semiconductors median (#296 of 329)

No single metric tells the full story. See the ROCO:5425 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Taiwan Semiconductor Co Business Description

Address Beixin Road, 11th Floor, No. 205, Section 3, Xindian District, New Taipei, TWN, 231
Taiwan Semiconductor Co Ltd is a company that is mainly engaged in the manufacturing and sale of semiconductor devices. The company's segment includes Rectifiers and Bar Code Printers. It generates maximum revenue from the Rectifiers segment. Its product portfolio includes Bridge Rectifier, Diode, DIAC and Thyristor, ESD Protection, Photocoupler, Transistor, Hall Effect Sensors, Voltage Reference, Switching Regulator, Linear Voltage Regulator, Amplifier and Comparator, and others.
82GF Score

Get the complete analysis for ROCO:5425

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

NT$89.50
Price
NT$87.67
GF Value