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.
Luminescence TechnologyROCO:6729 +2.33%77 OCF Margin % is 59.38% as of Dec. 2025, which is 131% above its 10-year median of 25.73. GuruFocus rates ROCO:6729 with a GF Score™ of 77/100 and a GF Value™ of NT$24.68 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 1,576 Chemicals companies, Luminescence Technology ranks better than 93.97% on this metric.
* 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.
For the Chemicals subindustry, Luminescence Technology's OCF Margin %, along with its competitors' market caps and OCF 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.
Luminescence Technology OCF Margin % vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Luminescence Technology's OCF Margin % distribution charts can be found below:
* The bar in red indicates where Luminescence Technology's OCF 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.
Luminescence Technology (ROCO:6729) has a OCF Margin % of 59.38% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Luminescence Technology and its competitors. This is 131% above median its historical median of 25.73. According to the industry distribution chart, Luminescence Technology ranks #95 out of 1576 companies in the Chemicals industry, placing it in the top 6%.
Is Luminescence Technology's OCF Margin % too high?
Luminescence Technology's current OCF Margin % of 59.38% is 131% above median its 10-year median of 25.73. The Chemicals industry median OCF Margin % is 8.34. Luminescence Technology's value of 59.38% is 612% above this industry median. Based on the distribution chart, Luminescence Technology ranks #95 out of 1576 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers. Overall, Luminescence Technology has a GF Score™ of 77/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Luminescence Technology's OCF Margin % compare to DOW?
According to the Chemicals industry distribution chart, Luminescence Technology ranks #95 out of 1576 companies for OCF Margin %. This places Luminescence Technology in the top 6% of its industry — outperforming the majority of peers. The industry median OCF Margin % is 8.34. Luminescence Technology's value of 59.38% is 612% above this benchmark. While the company's 10-year median is 25.73 vs. the industry median of 8.34, Luminescence Technology 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 Margin % for a Chemicals company?
The median OCF Margin % among Chemicals companies is 8.34, based on 1,576 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Luminescence Technology's current OCF Margin % of 59.38% is 612% 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 Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Luminescence Technology and its competitors. For the Chemicals industry, the median OCF Margin % is 8.34 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Luminescence Technology's current OCF Margin % is 59.38%, which is 131% above median its own 10-year median of 25.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Luminescence Technology stock overvalued right now?
Based on GuruFocus' analysis, Luminescence Technology (ROCO:6729) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$24.68, compared to a current price of NT$52.70 — trading 113.5% above its estimated fair value. The current OCF Margin % is 59.38%, which is 131% above median its 10-year median of 25.73 and 612% above the Chemicals industry median of 8.34. Luminescence Technology's overall GF Score™ is 77/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Luminescence Technology (ROCO:6729), the current OCF Margin % is 59.38% as of Dec. 2025. 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 Luminescence Technology (ROCO:6729) Overvalued in 2026?
Based on GuruFocus' analysis, Luminescence Technology stock appears to be overvalued.
The current stock price of NT$52.70 is trading 113.5% above its estimated GF Value™ of NT$24.68.
GuruFocus considers Luminescence Technology to be Significantly Overvalued.
Key valuation signals for ROCO:6729:
OCF Margin %: 59.38% (131% above median its 10-year median of 25.73)
GF Value™: NT$24.68 vs. price of NT$52.70 (113.5% above fair value)
Industry Position: 612% above the Chemicals median (#95 of 1576)
No single metric tells the full story. See the ROCO:6729 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Luminescence Technology Corp is a Taiwan based chemical manufacturing company. The firm's product range consists of OLED material, OPV material, OTFT material, Organic intermediates, Boronic Acid, ITO patterned glass and components among others.
77GF Score
Get the complete analysis for ROCO:6729
OCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ROCO:6729 has been successfully added to your 
