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.
Gallant Micro Machining CoROCO:6640 +5.49%94 5-Year Yield-on-Cost % is 5.13 as of Sep. 05, 2026, which is 70% below its 10-year median of 17.32. GuruFocus rates ROCO:6640 with a GF Score™ of 94/100 and a GF Value™ of NT$967.13 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 535 Semiconductors companies, Gallant Micro Machining Co ranks better than 87.85% on this metric.
The historical rank and industry rank for Gallant Micro Machining Co's 5-Year Yield-on-Cost % or its related term are showing as below:
ROCO:6640'
s 5-Year Yield-on-Cost % Range Over the Past 10 Years
Min: 2.06 Med: 17.32 Max: 51
Current: 5.13
During the past 13 years, Gallant Micro Machining Co's highest Yield on Cost was 51.00. The lowest was 2.06. And the median was 17.32.
ROCO:6640's 5-Year Yield-on-Cost % is ranked better than 87.85% of 535
companies
in the Semiconductors industry
Industry Median: 1.08
vs ROCO:6640: 5.13
Gallant Micro Machining Co (ROCO:6640) 5-Year Yield-on-Cost % Explanation
Of course the risk here is that the company may not raise its dividends as it did before. The key is to select the companies that can consistently raise its dividends. Usually companies with long history of raising dividends tend to do so.
Gallant Micro Machining Co 5-Year Yield-on-Cost % Related Terms
ROCO:6640 vs LRCX, AMAT, KLAC: 5-Year Yield-on-Cost % Comparison
For the Semiconductor Equipment & Materials subindustry, Gallant Micro Machining Co's 5-Year Yield-on-Cost %, along with its competitors' market caps and 5-Year Yield-on-Cost % 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.
Gallant Micro Machining Co 5-Year Yield-on-Cost % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Gallant Micro Machining Co's 5-Year Yield-on-Cost % distribution charts can be found below:
* The bar in red indicates where Gallant Micro Machining Co's 5-Year Yield-on-Cost % falls into.
Gallant Micro Machining Co 5-Year Yield-on-Cost % Calculation
Dividend Yield % and dividend growth of a stock is an important factor for income investors. But if company A raises its dividend constantly faster than company B, company A's future dividend yield might be much higher than Company B's even if their yields are the same now and their stock prices do not change.
Yield on Cost assumes that you buy and the stock today, and hold it for 5 years. If the company raises it dividends at the same rate as it did over the past 5 years, the dividends investors receive annually in 5 years relative to the stock price today.
Gallant Micro Machining Co (ROCO:6640) has a 5-Year Yield-on-Cost % of 5.13 as of Sep. 05, 2026. 5-Year Yield on Cost measures the expected yield based on a company's current yield and 5-year dividend growth. View historical data on Gallant Micro Machining Co and its competitors. This is 70% below median its historical median of 17.32. Over the past decade, Gallant Micro Machining Co's 5-Year Yield-on-Cost % has ranged from 2.06 to 51.00. According to the industry distribution chart, Gallant Micro Machining Co ranks #65 out of 535 companies in the Semiconductors industry, placing it in the top 12.1%.
Is Gallant Micro Machining Co's 5-Year Yield-on-Cost % too high?
Gallant Micro Machining Co's current 5-Year Yield-on-Cost % of 5.13 is 70% below median its 10-year median of 17.32. Over the past 10 years, this metric has ranged from a low of 2.06 to a high of 51.00. The Semiconductors industry median 5-Year Yield-on-Cost % is 1.08. Gallant Micro Machining Co's value of 5.13 is 375% above this industry median. Based on the distribution chart, Gallant Micro Machining Co ranks #65 out of 535 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Gallant Micro Machining Co has a GF Score™ of 94/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Gallant Micro Machining Co's 5-Year Yield-on-Cost % compare to LRCX and AMAT?
According to the Semiconductors industry distribution chart, Gallant Micro Machining Co ranks #65 out of 535 companies for 5-Year Yield-on-Cost %. This places Gallant Micro Machining Co in the top 12% of its industry — outperforming the majority of peers. The industry median 5-Year Yield-on-Cost % is 1.08. Gallant Micro Machining Co's value of 5.13 is 375% above this benchmark. Historically, Gallant Micro Machining Co's own 5-Year Yield-on-Cost % has ranged from 2.06 to 51.00 over the past decade. While the company's 10-year median is 17.32 vs. the industry median of 1.08, Gallant Micro Machining Co 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 5-Year Yield-on-Cost % for a Semiconductors company?
The median 5-Year Yield-on-Cost % among Semiconductors companies is 1.08, based on 535 companies in the industry. Companies in the top quartile (top 25%) have a 5-Year Yield-on-Cost % significantly above this median, while those in the bottom quartile fall well below. However, 5-Year Yield-on-Cost % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Gallant Micro Machining Co's current 5-Year Yield-on-Cost % of 5.13 is 375% 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 5-Year Yield-on-Cost % mean?
A high 5-Year Yield-on-Cost % can signal that a stock is expensive relative to its fundamentals. 5-Year Yield on Cost measures the expected yield based on a company's current yield and 5-year dividend growth. View historical data on Gallant Micro Machining Co and its competitors. For the Semiconductors industry, the median 5-Year Yield-on-Cost % is 1.08 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Gallant Micro Machining Co's current 5-Year Yield-on-Cost % is 5.13, which is 70% below median its own 10-year median of 17.32. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Gallant Micro Machining Co stock overvalued right now?
Based on GuruFocus' analysis, Gallant Micro Machining Co (ROCO:6640) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$967.13, compared to a current price of NT$1,250.00 — trading 29.2% above its estimated fair value. The current 5-Year Yield-on-Cost % is 5.13, which is 70% below median its 10-year median of 17.32 and 375% above the Semiconductors industry median of 1.08. Gallant Micro Machining Co's overall GF Score™ is 94/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 5-Year Yield-on-Cost % calculated?
5-Year Yield-on-Cost % is calculated from a company's financial statements. For Gallant Micro Machining Co (ROCO:6640), the current 5-Year Yield-on-Cost % is 5.13 as of Sep. 05, 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 Gallant Micro Machining Co (ROCO:6640) Overvalued in 2026?
Based on GuruFocus' analysis, Gallant Micro Machining Co stock appears to be overvalued.
The current stock price of NT$1,250.00 is trading 29.2% above its estimated GF Value™ of NT$967.13.
GuruFocus considers Gallant Micro Machining Co to be Modestly Overvalued.
Key valuation signals for ROCO:6640:
5-Year Yield-on-Cost %: 5.13 (70% below median its 10-year median of 17.32)
GF Value™: NT$967.13 vs. price of NT$1,250.00 (29.2% above fair value)
Industry Position: 375% above the Semiconductors median (#65 of 535)
No single metric tells the full story. See the ROCO:6640 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Gallant Micro Machining Co Ltd is a Taiwan based system supplier for electronics and semiconductors. The business of the company is the production and sales of machinery and equipment, precision molds and other parts and components. The company operates in Taiwan, China and other regions.
94GF Score
Get the complete analysis for ROCO:6640
5-Year Yield-on-Cost % 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:6640 has been successfully added to your 
