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 rank and industry rank for Amkor Technology's FCF Margin % or its related term are showing as below:
MEX:AMKR'
s FCF Margin % Range Over the Past 10 Years
Min: 1.6 Med: 2.77 Max: 8
Current: 2.41
During the past 13 years, the highest FCF Margin % of Amkor Technology was 8.00%. The lowest was 1.60%. And the median was 2.77%.
MEX:AMKR's FCF Margin % is ranked better than 56.65% of 1022
companies
in the Semiconductors industry
Industry Median: -0.875
vs MEX:AMKR: 2.41
Amkor Technology FCF Margin % Related Terms
Amkor Technology FCF Margin % Historical Data
* Premium members only.
The historical data trend for Amkor Technology's FCF 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.
MEX:AMKR vs ONTO, NVMI, ENTG: FCF Margin % Comparison
For the Semiconductor Equipment & Materials subindustry, Amkor Technology'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.
Amkor Technology FCF Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Amkor Technology's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Amkor Technology'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.
Amkor Technology (MEX:AMKR) has a FCF Margin % of -4.72% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Amkor Technology and its competitors. Over the past decade, Amkor Technology's FCF Margin % has ranged from 1.60 to 8.00. According to the industry distribution chart, Amkor Technology ranks #443 out of 1022 companies in the Semiconductors industry, placing it in the top 43.3%.
Is Amkor Technology's FCF Margin % too high?
Amkor Technology's current FCF Margin % is -4.72%. Over the past 10 years, this metric has ranged from a low of 1.60 to a high of 8.00. Based on the distribution chart, Amkor Technology ranks #443 out of 1022 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Amkor Technology has a GF Score™ of 46/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Amkor Technology's FCF Margin % compare to ONTO and NVMI?
According to the Semiconductors industry distribution chart, Amkor Technology ranks #443 out of 1022 companies for FCF Margin %. This puts Amkor Technology in the upper half of its industry. Historically, Amkor Technology's own FCF Margin % has ranged from 1.60 to 8.00 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 FCF Margin % for a Semiconductors company?
A good FCF Margin % depends on the Semiconductors 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 Amkor Technology and its competitors. Amkor Technology's current FCF Margin % is -4.72%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Amkor Technology stock overvalued right now?
Based on GuruFocus' analysis, Amkor Technology (MEX:AMKR) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN531.60, compared to a current price of MXN1,155.00 — trading 117.3% above its estimated fair value. The current FCF Margin % is -4.72%. Amkor Technology's overall GF Score™ is 46/100 with 6 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 Amkor Technology (MEX:AMKR), the current FCF Margin % is -4.72% 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 Amkor Technology (MEX:AMKR) Overvalued in 2026?
Based on GuruFocus' analysis, Amkor Technology stock appears to be overvalued.
The current stock price of MXN1,155.00 is trading 117.3% above its estimated GF Value™ of MXN531.60.
GuruFocus considers Amkor Technology to be Significantly Overvalued.
Key valuation signals for MEX:AMKR:
FCF Margin %: -4.72%
GF Value™: MXN531.60 vs. price of MXN1,155.00 (117.3% above fair value)
No single metric tells the full story. See the MEX:AMKR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Amkor Technology Inc is a OSAT (outsourced semiconductor assembly and test) service provider. It has pioneered the outsourcing of integrated circuit (IC) packaging and test services and is a strategic manufacturing partner for the semiconductor companies, foundries, and electronics original equipment manufacturers (OEMs). The firm's products are organized into two categories namely advanced products that include flip chip, fine pitch bumping, wafer-level processing, advanced SiPs, power modules, and others, and Mainstream products that includes wirebond packaging and testing. The company derives maximum revenue from the advanced products category. The company derives majority of its revenue from Foreign states.
46GF Score
Get the complete analysis for MEX:AMKR
FCF 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
MEX:AMKR has been successfully added to your 
