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Thai Optical Group PCLBKK:TOG 89 FCF Margin % is -7.27% as of Jun. 2026. 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 815 Medical Devices & Instruments companies, Thai Optical Group PCL ranks better than 61.35% on this metric.
The historical rank and industry rank for Thai Optical Group PCL's FCF Margin % or its related term are showing as below:
BKK:TOG'
s FCF Margin % Range Over the Past 10 Years
Min: -14.09 Med: 5.21 Max: 10.62
Current: 4.24
During the past 13 years, the highest FCF Margin % of Thai Optical Group PCL was 10.62%. The lowest was -14.09%. And the median was 5.21%.
BKK:TOG's FCF Margin % is ranked better than 61.35% of 815
companies
in the Medical Devices & Instruments industry
Industry Median: -0.83
vs BKK:TOG: 4.24
* 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: FCF Margin % Comparison
For the Medical Instruments & Supplies subindustry, Thai Optical Group PCL's FCF Margin %, along with its competitors' market caps and FCF Margin % 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 FCF Margin % vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Thai Optical Group PCL's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Thai Optical Group PCL's FCF Margin % 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 FCF Margin % of -7.27% as of Jun. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Thai Optical Group PCL and its competitors. According to the industry distribution chart, Thai Optical Group PCL ranks #315 out of 815 companies in the Medical Devices & Instruments industry, placing it in the top 38.7%.
Is Thai Optical Group PCL's FCF Margin % too high?
Thai Optical Group PCL's current FCF Margin % is -7.27%. Based on the distribution chart, Thai Optical Group PCL ranks #315 out of 815 companies in the Medical Devices & Instruments industry, which is above the industry midpoint. 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 FCF Margin % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Thai Optical Group PCL ranks #315 out of 815 companies for FCF Margin %. This puts Thai Optical Group PCL in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Medical Devices & Instruments company?
A good FCF Margin % depends on the Medical Devices & Instruments industry context. However, FCF Margin % 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 FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Thai Optical Group PCL and its competitors. Thai Optical Group PCL's current FCF Margin % is -7.27%. 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 FCF Margin % is -7.27%. 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 FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Thai Optical Group PCL (BKK:TOG), the current FCF Margin % is -7.27% as of Jun. 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:
FCF Margin %: -7.27%
GF Value™: ฿9.76 vs. price of ฿7.30 (25.2% below fair value)
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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FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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