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.
Sono-TekSOTK +1.67%87 Buyback Yield % is 0.08 as of Aug. 23, 2026, which is 56% below its 10-year median of 0.18. 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 627 Hardware companies, Sono-Tek ranks better than 62.04% on this metric.
Buyback yield is the net repurchase of shares outstanding over the market capital of the company. It is a measure of shareholder return.
The historical data trend for Sono-Tek's Buyback Yield % 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.
SOTK vs ARBE, ODYS, GNSS: Buyback Yield % Comparison
For the Scientific & Technical Instruments subindustry, Sono-Tek's Buyback Yield %, along with its competitors' market caps and Buyback Yield % 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 Buyback Yield % vs Hardware Industry
For the Hardware industry and Technology sector, Sono-Tek's Buyback Yield % distribution charts can be found below:
* The bar in red indicates where Sono-Tek's Buyback Yield % 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.
Sono-Tek (SOTK) has a Buyback Yield % of 0.08 as of Aug. 23, 2026. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Sono-Tek and its competitors. This is 56% below median its historical median of 0.18. Over the past decade, Sono-Tek's Buyback Yield % has ranged from 0.01 to 0.28. According to the industry distribution chart, Sono-Tek ranks #238 out of 627 companies in the Hardware industry, placing it in the top 38%.
Is Sono-Tek's Buyback Yield % too high?
Sono-Tek's current Buyback Yield % of 0.08 is 56% below median its 10-year median of 0.18. Over the past 10 years, this metric has ranged from a low of 0.01 to a high of 0.28. Based on the distribution chart, Sono-Tek ranks #238 out of 627 companies in the Hardware industry, which is above the industry midpoint. 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 Buyback Yield % compare to ARBE and ODYS?
According to the Hardware industry distribution chart, Sono-Tek ranks #238 out of 627 companies for Buyback Yield %. This puts Sono-Tek in the upper half of its industry. Historically, Sono-Tek's own Buyback Yield % has ranged from 0.01 to 0.28 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Buyback Yield % for a Hardware company?
A good Buyback Yield % depends on the Hardware industry context. However, Buyback Yield % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Buyback Yield % mean?
A high Buyback Yield % can signal that a stock is expensive relative to its fundamentals. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Sono-Tek and its competitors. Sono-Tek's current Buyback Yield % is 0.08, which is 56% below median its own 10-year median of 0.18. 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 Buyback Yield % is 0.08, which is 56% below median its 10-year median of 0.18. 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 Buyback Yield % calculated?
Buyback Yield % is calculated from a company's financial statements. For Sono-Tek (SOTK), the current Buyback Yield % is 0.08 as of Aug. 23, 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:
Buyback Yield %: 0.08 (56% below median its 10-year median of 0.18)
GF Value™: $4.48 vs. price of $5.50 (22.8% above fair value)
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 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
Buyback Yield % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
SOTK has been successfully added to your 
