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Thai Optical Group PCLBKK:TOG 89 5-Year Yield-on-Cost % is 20.65 as of Aug. 14, 2026, which is 22% above its 10-year median of 16.98. GuruFocus rates BKK:TOG with a GF Score™ of 89/100 and a GF Value™ of ฿9.76 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 317 Medical Devices & Instruments companies, Thai Optical Group PCL ranks better than 96.53% on this metric.
Thai Optical Group PCL's yield on cost for the quarter that ended in Jun. 2026 was 20.65.
The historical rank and industry rank for Thai Optical Group PCL's 5-Year Yield-on-Cost % or its related term are showing as below:
BKK:TOG'
s 5-Year Yield-on-Cost % Range Over the Past 10 Years
Min: 3.83 Med: 16.98 Max: 31.33
Current: 20.65
During the past 13 years, Thai Optical Group PCL's highest Yield on Cost was 31.33. The lowest was 3.83. And the median was 16.98.
BKK:TOG's 5-Year Yield-on-Cost % is ranked better than 96.53% of 317
companies
in the Medical Devices & Instruments industry
Industry Median: 2.34
vs BKK:TOG: 20.65
Thai Optical Group PCL (BKK:TOG) 5-Year Yield-on-Cost % Explanation
Of course the risk here is that the company may not raise its dividends as it did before. The key is to select the companies that can consistently raise its dividends. Usually companies with long history of raising dividends tend to do so.
Thai Optical Group PCL 5-Year Yield-on-Cost % Related Terms
BKK:TOG vs ISRG, BDX, MDLN: 5-Year Yield-on-Cost % Comparison
For the Medical Instruments & Supplies subindustry, Thai Optical Group PCL's 5-Year Yield-on-Cost %, along with its competitors' market caps and 5-Year Yield-on-Cost % 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.
Thai Optical Group PCL 5-Year Yield-on-Cost % vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Thai Optical Group PCL's 5-Year Yield-on-Cost % distribution charts can be found below:
* The bar in red indicates where Thai Optical Group PCL's 5-Year Yield-on-Cost % falls into.
Thai Optical Group PCL 5-Year Yield-on-Cost % Calculation
Dividend Yield % and dividend growth of a stock is an important factor for income investors. But if company A raises its dividend constantly faster than company B, company A's future dividend yield might be much higher than Company B's even if their yields are the same now and their stock prices do not change.
Yield on Cost assumes that you buy and the stock today, and hold it for 5 years. If the company raises it dividends at the same rate as it did over the past 5 years, the dividends investors receive annually in 5 years relative to the stock price today.
Thai Optical Group PCL (BKK:TOG) has a 5-Year Yield-on-Cost % of 20.65 as of Aug. 14, 2026. 5-Year Yield on Cost measures the expected yield based on a company's current yield and 5-year dividend growth. View historical data on Thai Optical Group PCL and its competitors. This is 22% above median its historical median of 16.98. Over the past decade, Thai Optical Group PCL's 5-Year Yield-on-Cost % has ranged from 3.83 to 31.33. According to the industry distribution chart, Thai Optical Group PCL ranks #11 out of 317 companies in the Medical Devices & Instruments industry, placing it in the top 3.5%.
Is Thai Optical Group PCL's 5-Year Yield-on-Cost % too high?
Thai Optical Group PCL's current 5-Year Yield-on-Cost % of 20.65 is 22% above median its 10-year median of 16.98. Over the past 10 years, this metric has ranged from a low of 3.83 to a high of 31.33. The Medical Devices & Instruments industry median 5-Year Yield-on-Cost % is 2.34. Thai Optical Group PCL's value of 20.65 is 782.5% above this industry median. Based on the distribution chart, Thai Optical Group PCL ranks #11 out of 317 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, Thai Optical Group PCL has a GF Score™ of 89/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Thai Optical Group PCL's 5-Year Yield-on-Cost % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Thai Optical Group PCL ranks #11 out of 317 companies for 5-Year Yield-on-Cost %. This places Thai Optical Group PCL in the top 4% of its industry — outperforming the majority of peers. The industry median 5-Year Yield-on-Cost % is 2.34. Thai Optical Group PCL's value of 20.65 is 782.5% above this benchmark. Historically, Thai Optical Group PCL's own 5-Year Yield-on-Cost % has ranged from 3.83 to 31.33 over the past decade. While the company's 10-year median is 16.98 vs. the industry median of 2.34, Thai Optical Group PCL 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 5-Year Yield-on-Cost % for a Medical Devices & Instruments company?
The median 5-Year Yield-on-Cost % among Medical Devices & Instruments companies is 2.34, based on 317 companies in the industry. Companies in the top quartile (top 25%) have a 5-Year Yield-on-Cost % significantly above this median, while those in the bottom quartile fall well below. However, 5-Year Yield-on-Cost % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Thai Optical Group PCL's current 5-Year Yield-on-Cost % of 20.65 is 782.5% 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 5-Year Yield-on-Cost % mean?
A high 5-Year Yield-on-Cost % can signal that a stock is expensive relative to its fundamentals. 5-Year Yield on Cost measures the expected yield based on a company's current yield and 5-year dividend growth. View historical data on Thai Optical Group PCL and its competitors. For the Medical Devices & Instruments industry, the median 5-Year Yield-on-Cost % is 2.34 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thai Optical Group PCL's current 5-Year Yield-on-Cost % is 20.65, which is 22% above median its own 10-year median of 16.98. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thai Optical Group PCL stock overvalued right now?
Based on GuruFocus' analysis, Thai Optical Group PCL (BKK:TOG) is currently considered Modestly Undervalued. The stock's GF Value™ is ฿9.76, compared to a current price of ฿7.30 — trading 25.2% below its estimated fair value. The current 5-Year Yield-on-Cost % is 20.65, which is 22% above median its 10-year median of 16.98 and 782.5% above the Medical Devices & Instruments industry median of 2.34. Thai Optical Group PCL's overall GF Score™ is 89/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 5-Year Yield-on-Cost % calculated?
5-Year Yield-on-Cost % is calculated from a company's financial statements. For Thai Optical Group PCL (BKK:TOG), the current 5-Year Yield-on-Cost % is 20.65 as of Aug. 14, 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 Thai Optical Group PCL (BKK:TOG) Overvalued in 2026?
Based on GuruFocus' analysis, Thai Optical Group PCL stock appears to be undervalued.
The current stock price of ฿7.30 is trading 25.2% below its estimated GF Value™ of ฿9.76.
GuruFocus considers Thai Optical Group PCL to be Modestly Undervalued.
Key valuation signals for BKK:TOG:
5-Year Yield-on-Cost %: 20.65 (22% above median its 10-year median of 16.98)
GF Value™: ฿9.76 vs. price of ฿7.30 (25.2% below fair value)
Industry Position: 782.5% above the Medical Devices & Instruments median (#11 of 317)
No single metric tells the full story. See the BKK:TOG stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Thai Optical Group PCL is engaged in the manufacturing and distribution of plastic lenses and related products. The company's products include Organic lenses, Mineral lenses, and Prescription Lenses. It has two reporting segments: Plastic and glass lens, which produce and sell optical lenses; Other products and services which are the sale of the glass mold, trading goods purchased for resale, glasses assembly services, and surface treatments. The majority of the revenue is generated from the plastic and glass lens segment. The company also operates in Europe, Australia, Asia and Pacific, America, Africa, and the Middle East. The majority of revenue is from America.
89GF Score
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