Thai Optical Group PCL (BKK:TOG) FCF Yield %: 4.29 (As of Aug. 14, 2026) — 39% Above Median

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BKK:TOG Thai Optical Group PCL BKK:TOG
89 GF Score
Price ฿7.30
GF Value ฿9.76
Valuation Modestly Undervalued
! 5 Warning Signs
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What is Thai Optical Group PCL FCF Yield %?

Thai Optical Group PCL BKK:TOG 89 FCF Yield % is 4.29 as of Aug. 14, 2026, which is 39% above its 10-year median of 3.08. 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 852 Medical Devices & Instruments companies, Thai Optical Group PCL ranks better than 78.29% on this metric.

FCF Yield % is calculated as Free Cash Flow divided by Market Capitalization. It is a financial solvency ratio that compares the free cash flow a company is expected to earn against its market value.

As of today, Thai Optical Group PCL's Trailing 12-Month Free Cash Flow is ฿149 Mil, and Market Cap is ฿3,463 Mil. Therefore, Thai Optical Group PCL's FCF Yield % for today is 4.29%.

The historical rank and industry rank for Thai Optical Group PCL's FCF Yield % or its related term are showing as below:

BKK:TOG' s FCF Yield % Range Over the Past 10 Years
Min: -11.19   Med: 3.08   Max: 12.35
Current: 4.29


During the past 13 years, the highest FCF Yield % of Thai Optical Group PCL was 12.35%. The lowest was -11.19%. And the median was 3.08%.

BKK:TOG's FCF Yield % is ranked better than
78.29% of 852 companies
in the Medical Devices & Instruments industry
Industry Median: -0.455 vs BKK:TOG: 4.29

Thai Optical Group PCL's FCF Margin % for the quarter that ended in Jun. 2026 was -7.27%.


Thai Optical Group PCL FCF Yield % Explanation

Similar to Earnings Yield %, FCF 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 free 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 FCF Yield % Related Terms


Thai Optical Group PCL FCF Yield % Historical Data

* Premium members only.

The historical data trend for Thai Optical Group PCL's FCF 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.

Thai Optical Group PCL FCF Yield % Chart

Thai Optical Group PCL Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.61 5.61 -7.54 2.93 7.83

Thai Optical Group PCL Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
FCF Yield % 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 17.03 8.51 1.00 15.94 -7.23

BKK:TOG vs ISRG, BDX, MDLN: FCF Yield % Comparison

For the Medical Instruments & Supplies subindustry, Thai Optical Group PCL's FCF Yield %, along with its competitors' market caps and FCF 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 FCF Yield % vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Thai Optical Group PCL's FCF Yield % distribution charts can be found below:

* The bar in red indicates where Thai Optical Group PCL's FCF Yield % falls into.


BKK:TOG
89GF Score
Thai Optical Group PCL BKK:TOG
FCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
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Thai Optical Group PCL FCF Yield % Calculation

FCF Yield % is a financial solvency ratio that compares the free cash flow a company is expected to earn against its market value.

Thai Optical Group PCL's FCF Yield % for the fiscal year that ended in Dec. 2025 is calculated as

FCF Yield %=Free Cash Flow / Market Cap
=246.969 / 3154.2147
=7.83%

Thai Optical Group PCL's annualized FCF Yield % for the quarter that ended in Jun. 2026 is calculated as

FCF Yield %=Free Cash Flow * Annualized Factor / Market Cap
=-60.872 * 4 / 3367.6578
=-7.23%

* 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.

Frequently Asked Questions Learn more about FCF Yield % →
What does a FCF Yield % of 4.29 mean?
Thai Optical Group PCL (BKK:TOG) has a FCF Yield % of 4.29 as of Aug. 14, 2026. FCF Yield is calculated as Free Cash Flow divided by Market Capitalization. View historical data on Thai Optical Group PCL and its competitors. This is 39% above median its historical median of 3.08. According to the industry distribution chart, Thai Optical Group PCL ranks #185 out of 852 companies in the Medical Devices & Instruments industry, placing it in the top 21.7%.
Is Thai Optical Group PCL's FCF Yield % too high?
Thai Optical Group PCL's current FCF Yield % of 4.29 is 39% above median its 10-year median of 3.08. Based on the distribution chart, Thai Optical Group PCL ranks #185 out of 852 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 FCF Yield % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Thai Optical Group PCL ranks #185 out of 852 companies for FCF Yield %. This places Thai Optical Group PCL in the top 22% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Yield % for a Medical Devices & Instruments company?
A good FCF Yield % depends on the Medical Devices & Instruments industry context. However, FCF 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 FCF Yield % mean?
A high FCF Yield % can signal that a stock is expensive relative to its fundamentals. FCF Yield is calculated as Free Cash Flow divided by Market Capitalization. View historical data on Thai Optical Group PCL and its competitors. Thai Optical Group PCL's current FCF Yield % is 4.29, which is 39% above median its own 10-year median of 3.08. 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 Yield % is 4.29, which is 39% above median its 10-year median of 3.08. 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 Yield % calculated?
FCF Yield % is calculated from a company's financial statements. For Thai Optical Group PCL (BKK:TOG), the current FCF Yield % is 4.29 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:

  • FCF Yield %: 4.29 (39% above median its 10-year median of 3.08)
  • GF Value™: ฿9.76 vs. price of ฿7.30 (25.2% below fair value)
  • GF Score™: 89/100 with 5 warning signs

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 Business Description

Address 6 Bangbuathong-Suphanburi Road, 15/5 Moo, Laharn Sub-district, Bangbuathong, Nonthaburi, THA, 11110
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

Get the complete analysis for BKK:TOG

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

฿7.30
Price
฿9.76
GF Value