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Thai Optical Group PCLBKK:TOG 89 OCF Yield % is 14.72 as of Aug. 14, 2026, which is 32% above its 10-year median of 11.13. 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 850 Medical Devices & Instruments companies, Thai Optical Group PCL ranks better than 92.35% on this metric.
OCF Yield % is calculated as Cash Flow from Operations divided by Market Capitalization. It is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.
The historical rank and industry rank for Thai Optical Group PCL's OCF Yield % or its related term are showing as below:
BKK:TOG'
s OCF Yield % Range Over the Past 10 Years
Min: 3.17 Med: 11.13 Max: 22
Current: 14.72
During the past 13 years, the highest OCF Yield % of Thai Optical Group PCL was 22.00%. The lowest was 3.17%. And the median was 11.13%.
BKK:TOG's OCF Yield % is ranked better than 92.35% of 850
companies
in the Medical Devices & Instruments industry
Industry Median: 1.475
vs BKK:TOG: 14.72
Similar to Earnings Yield %, OCF Yield % is financial solvency ratio. A lower ratio suggests a less attractive investment, indicating that investors might not receive substantial returns in proportion to their investment. Conversely, a high operating cash flow yield signals that a company generates sufficient cash to comfortably meet its debts, obligations, and dividend payments, making it a promising investment choice.
Thai Optical Group PCL OCF Yield % Related Terms
Thai Optical Group PCL OCF Yield % Historical Data
* 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.
BKK:TOG vs ISRG, BDX, MDLN: OCF Yield % Comparison
For the Medical Instruments & Supplies subindustry, Thai Optical Group PCL's OCF Yield %, along with its competitors' market caps and OCF 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.
Thai Optical Group PCL OCF Yield % vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Thai Optical Group PCL's OCF Yield % distribution charts can be found below:
* The bar in red indicates where Thai Optical Group PCL's OCF 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.
Thai Optical Group PCL (BKK:TOG) has a OCF Yield % of 14.72 as of Aug. 14, 2026. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on Thai Optical Group PCL and its competitors. This is 32% above median its historical median of 11.13. Over the past decade, Thai Optical Group PCL's OCF Yield % has ranged from 3.17 to 22.00. According to the industry distribution chart, Thai Optical Group PCL ranks #65 out of 850 companies in the Medical Devices & Instruments industry, placing it in the top 7.6%.
Is Thai Optical Group PCL's OCF Yield % too high?
Thai Optical Group PCL's current OCF Yield % of 14.72 is 32% above median its 10-year median of 11.13. Over the past 10 years, this metric has ranged from a low of 3.17 to a high of 22.00. The Medical Devices & Instruments industry median OCF Yield % is 1.48. Thai Optical Group PCL's value of 14.72 is 898% above this industry median. Based on the distribution chart, Thai Optical Group PCL ranks #65 out of 850 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 OCF Yield % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Thai Optical Group PCL ranks #65 out of 850 companies for OCF Yield %. This places Thai Optical Group PCL in the top 8% of its industry — outperforming the majority of peers. The industry median OCF Yield % is 1.48. Thai Optical Group PCL's value of 14.72 is 898% above this benchmark. Historically, Thai Optical Group PCL's own OCF Yield % has ranged from 3.17 to 22.00 over the past decade. While the company's 10-year median is 11.13 vs. the industry median of 1.48, 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 OCF Yield % for a Medical Devices & Instruments company?
The median OCF Yield % among Medical Devices & Instruments companies is 1.48, based on 850 companies in the industry. Companies in the top quartile (top 25%) have a OCF Yield % significantly above this median, while those in the bottom quartile fall well below. However, OCF Yield % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Thai Optical Group PCL's current OCF Yield % of 14.72 is 898% 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 OCF Yield % mean?
A high OCF Yield % can signal that a stock is expensive relative to its fundamentals. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on Thai Optical Group PCL and its competitors. For the Medical Devices & Instruments industry, the median OCF Yield % is 1.48 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thai Optical Group PCL's current OCF Yield % is 14.72, which is 32% above median its own 10-year median of 11.13. 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 OCF Yield % is 14.72, which is 32% above median its 10-year median of 11.13 and 898% above the Medical Devices & Instruments industry median of 1.48. 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 OCF Yield % calculated?
OCF Yield % is calculated from a company's financial statements. For Thai Optical Group PCL (BKK:TOG), the current OCF Yield % is 14.72 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:
OCF Yield %: 14.72 (32% above median its 10-year median of 11.13)
GF Value™: ฿9.76 vs. price of ฿7.30 (25.2% below fair value)
Industry Position: 898% above the Medical Devices & Instruments median (#65 of 850)
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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