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.
The historical data trend for QSI Co's OCF Margin % 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.
XKRX:066310 vs AMAT, LRCX, KLAC: OCF Margin % Comparison
For the Semiconductor Equipment & Materials subindustry, QSI Co'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.
QSI Co OCF Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, QSI Co's OCF Margin % distribution charts can be found below:
* The bar in red indicates where QSI Co'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.
QSI Co (XKRX:066310) has a OCF Margin % of -1.83% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on QSI Co and its competitors. Over the past decade, QSI Co's OCF Margin % has ranged from 5.24 to 29.29. According to the industry distribution chart, QSI Co ranks #331 out of 1024 companies in the Semiconductors industry, placing it in the top 32.3%.
Is QSI Co's OCF Margin % too high?
QSI Co's current OCF Margin % is -1.83%. Over the past 10 years, this metric has ranged from a low of 5.24 to a high of 29.29. Based on the distribution chart, QSI Co ranks #331 out of 1024 companies in the Semiconductors industry, which is above the industry midpoint. Overall, QSI Co has a GF Score™ of 76/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does QSI Co's OCF Margin % compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, QSI Co ranks #331 out of 1024 companies for OCF Margin %. This puts QSI Co in the upper half of its industry. The industry median OCF Margin % is 9.03. Historically, QSI Co's own OCF Margin % has ranged from 5.24 to 29.29 over the past decade. 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 Semiconductors company?
The median OCF Margin % among Semiconductors companies is 9.03, based on 1,024 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. 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 QSI Co and its competitors. For the Semiconductors industry, the median OCF Margin % is 9.03 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. QSI Co's current OCF Margin % is -1.83%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is QSI Co stock overvalued right now?
Based on GuruFocus' analysis, QSI Co (XKRX:066310) is currently considered Modestly Undervalued. The stock's GF Value™ is ₩10,112.65, compared to a current price of ₩7,810.00 — trading 22.8% below its estimated fair value. The current OCF Margin % is -1.83%. QSI Co's overall GF Score™ is 76/100 with 3 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 QSI Co (XKRX:066310), the current OCF Margin % is -1.83% as of Mar. 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 QSI Co (XKRX:066310) Overvalued in 2026?
Based on GuruFocus' analysis, QSI Co stock appears to be undervalued.
The current stock price of ₩7,810.00 is trading 22.8% below its estimated GF Value™ of ₩10,112.65.
GuruFocus considers QSI Co to be Modestly Undervalued.
Key valuation signals for XKRX:066310:
OCF Margin %: -1.83%
GF Value™: ₩10,112.65 vs. price of ₩7,810.00 (22.8% below fair value)
No single metric tells the full story. See the XKRX:066310 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
QSI Co Ltd is a South Korea-based company mainly engaged in the manufacture of semiconductor laser diodes (LDs). The product portfolio of the company includes Red Laser diode and Infra-Red Laser diode.
76GF Score
Get the complete analysis for XKRX:066310
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
XKRX:066310 has been successfully added to your 
