SOTK (Sono-Tek) PEG Ratio: 15.67 (As of Aug. 22, 2026) — 247% 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.

SOTK Sono-Tek Corp SOTK
87 GF Score
Price $5.50
GF Value $4.48
Valuation Modestly Overvalued
! 7 Warning Signs
View Full Analysis

What is Sono-Tek PEG Ratio?

Sono-Tek SOTK +1.67% 87 PEG Ratio is 15.67 as of Aug. 22, 2026, which is 247% above its 10-year median of 4.51. GuruFocus rates SOTK with a GF Score™ of 87/100 and a GF Value™ of $4.48 (Modestly Overvalued). The stock has 7 warning signs investors should review. Among 855 Hardware companies, Sono-Tek ranks worse than 91.46% 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, Sono-Tek's PE Ratio without NRI is 42.31. Sono-Tek's 5-Year EBITDA growth rate is 2.70%. Therefore, Sono-Tek's PEG Ratio for today is 15.67.

* 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 Sono-Tek's PEG Ratio or its related term are showing as below:

SOTK' s PEG Ratio Range Over the Past 10 Years
Min: 1.3   Med: 4.51   Max: 46.14
Current: 15.67


During the past 13 years, Sono-Tek's highest PEG Ratio was 46.14. The lowest was 1.30. And the median was 4.51.


SOTK's PEG Ratio is ranked worse than
91.46% of 855 companies
in the Hardware industry
Industry Median: 1.98 vs SOTK: 15.67

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


Sono-Tek  (NAS:SOTK) 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.


Sono-Tek PEG Ratio Related Terms


Sono-Tek PEG Ratio Historical Data

* Premium members only.

The historical data trend for Sono-Tek'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.

Sono-Tek PEG Ratio Chart

Sono-Tek Annual Data
Trend Feb17 Feb18 Feb19 Feb20 Feb21 Feb22 Feb23 Feb24 Feb25 Feb26
PEG Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.38 4.75 4.67 0.00 0.00

Sono-Tek Quarterly Data
Aug21 Nov21 Feb22 May22 Aug22 Nov22 Feb23 May23 Aug23 Nov23 Feb24 May24 Aug24 Nov24 Feb25 May25 Aug25 Nov25 Feb26 May26
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 15.64

SOTK vs ARBE, ODYS, GNSS: PEG Ratio Comparison

For the Scientific & Technical Instruments subindustry, Sono-Tek'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.


Sono-Tek PEG Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Sono-Tek's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Sono-Tek's PEG Ratio falls into.


SOTK
87GF Score
Sono-Tek Corp SOTK
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Sono-Tek 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.

Sono-Tek's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=42.307692307692/2.70
=15.67

* 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 15.67 mean?
Sono-Tek (SOTK) has a PEG Ratio of 15.67 as of Aug. 22, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Sono-Tek and its competitors. This is 247% above median its historical median of 4.51. Over the past decade, Sono-Tek's PEG Ratio has ranged from 1.30 to 46.14. According to the industry distribution chart, Sono-Tek ranks #782 out of 855 companies in the Hardware industry, placing it in the top 91.5%.
Is Sono-Tek's PEG Ratio too high?
Sono-Tek's current PEG Ratio of 15.67 is 247% above median its 10-year median of 4.51. Over the past 10 years, this metric has ranged from a low of 1.30 to a high of 46.14. The Hardware industry median PEG Ratio is 1.98. Sono-Tek's value of 15.67 is 691.4% above this industry median. Based on the distribution chart, Sono-Tek ranks #782 out of 855 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Sono-Tek has a GF Score™ of 87/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sono-Tek's PEG Ratio compare to ARBE and ODYS?
According to the Hardware industry distribution chart, Sono-Tek ranks #782 out of 855 companies for PEG Ratio. This places Sono-Tek in the lower half of its industry. The industry median PEG Ratio is 1.98. Sono-Tek's value of 15.67 is 691.4% above this benchmark. Historically, Sono-Tek's own PEG Ratio has ranged from 1.30 to 46.14 over the past decade. While the company's 10-year median is 4.51 vs. the industry median of 1.98, Sono-Tek 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 Hardware company?
The median PEG Ratio among Hardware companies is 1.98, based on 855 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. Sono-Tek's current PEG Ratio of 15.67 is 691.4% 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 Sono-Tek and its competitors. For the Hardware industry, the median PEG Ratio is 1.98 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sono-Tek's current PEG Ratio is 15.67, which is 247% above median its own 10-year median of 4.51. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sono-Tek stock overvalued right now?
Based on GuruFocus' analysis, Sono-Tek (SOTK) is currently considered Modestly Overvalued. The stock's GF Value™ is $4.48, compared to a current price of $5.50 — trading 22.8% above its estimated fair value. The current PEG Ratio is 15.67, which is 247% above median its 10-year median of 4.51 and 691.4% above the Hardware industry median of 1.98. Sono-Tek's overall GF Score™ is 87/100 with 7 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 Sono-Tek (SOTK), the current PEG Ratio is 15.67 as of Aug. 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 Sono-Tek (SOTK) Overvalued in 2026?

Based on GuruFocus' analysis, Sono-Tek stock appears to be overvalued. The current stock price of $5.50 is trading 22.8% above its estimated GF Value™ of $4.48. GuruFocus considers Sono-Tek to be Modestly Overvalued.

Key valuation signals for SOTK:

  • PEG Ratio: 15.67 (247% above median its 10-year median of 4.51)
  • GF Value™: $4.48 vs. price of $5.50 (22.8% above fair value)
  • GF Score™: 87/100 with 7 warning signs
  • Industry Position: 691.4% above the Hardware median (#782 of 855)

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


Sono-Tek Business Description

Address 2012 Route 9W, Milton, NY, USA, 12547
Sono-Tek Corp designs and manufactures ultrasonic coating systems for applying precise, thin film coatings to add functional properties, protect or strengthen surfaces on parts and components for the microelectronics/electronics, alternative energy, medical, industrial, and emerging research & development/other markets. The company designs and manufacture custom-engineered ultrasonic coating systems incorporating its patented technology, in combination with applications engineering knowledge, to assist its customers in achieving their desired coating solutions.
87GF Score

Get the complete analysis for SOTK

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

$5.50
Price
$4.48
GF Value