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Formosa Optical Technology CoROCO:5312 +0.67%83 5-Year Yield-on-Cost % is 13.59 as of Aug. 19, 2026, which is 20% above its 10-year median of 11.31. GuruFocus rates ROCO:5312 with a GF Score™ of 83/100 and a GF Value™ of NT$111.49 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 317 Medical Devices & Instruments companies, Formosa Optical Technology Co ranks better than 94.01% on this metric.
The historical rank and industry rank for Formosa Optical Technology Co's 5-Year Yield-on-Cost % or its related term are showing as below:
ROCO:5312'
s 5-Year Yield-on-Cost % Range Over the Past 10 Years
Min: 6.68 Med: 11.31 Max: 20.03
Current: 13.59
During the past 13 years, Formosa Optical Technology Co's highest Yield on Cost was 20.03. The lowest was 6.68. And the median was 11.31.
ROCO:5312's 5-Year Yield-on-Cost % is ranked better than 94.01% of 317
companies
in the Medical Devices & Instruments industry
Industry Median: 2.35
vs ROCO:5312: 13.59
Formosa Optical Technology Co (ROCO:5312) 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.
Formosa Optical Technology Co 5-Year Yield-on-Cost % Related Terms
ROCO:5312 vs ISRG, BDX, MDLN: 5-Year Yield-on-Cost % Comparison
For the Medical Instruments & Supplies subindustry, Formosa Optical Technology 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.
Formosa Optical Technology Co 5-Year Yield-on-Cost % vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Formosa Optical Technology Co's 5-Year Yield-on-Cost % distribution charts can be found below:
* The bar in red indicates where Formosa Optical Technology Co's 5-Year Yield-on-Cost % falls into.
Formosa Optical Technology 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.
Formosa Optical Technology Co (ROCO:5312) has a 5-Year Yield-on-Cost % of 13.59 as of Aug. 19, 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 Formosa Optical Technology Co and its competitors. This is 20% above median its historical median of 11.31. Over the past decade, Formosa Optical Technology Co's 5-Year Yield-on-Cost % has ranged from 6.68 to 20.03. According to the industry distribution chart, Formosa Optical Technology Co ranks #19 out of 317 companies in the Medical Devices & Instruments industry, placing it in the top 6%.
Is Formosa Optical Technology Co's 5-Year Yield-on-Cost % too high?
Formosa Optical Technology Co's current 5-Year Yield-on-Cost % of 13.59 is 20% above median its 10-year median of 11.31. Over the past 10 years, this metric has ranged from a low of 6.68 to a high of 20.03. The Medical Devices & Instruments industry median 5-Year Yield-on-Cost % is 2.35. Formosa Optical Technology Co's value of 13.59 is 478.3% above this industry median. Based on the distribution chart, Formosa Optical Technology Co ranks #19 out of 317 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, Formosa Optical Technology Co has a GF Score™ of 83/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Optical Technology Co's 5-Year Yield-on-Cost % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Formosa Optical Technology Co ranks #19 out of 317 companies for 5-Year Yield-on-Cost %. This places Formosa Optical Technology Co in the top 6% of its industry — outperforming the majority of peers. The industry median 5-Year Yield-on-Cost % is 2.35. Formosa Optical Technology Co's value of 13.59 is 478.3% above this benchmark. Historically, Formosa Optical Technology Co's own 5-Year Yield-on-Cost % has ranged from 6.68 to 20.03 over the past decade. While the company's 10-year median is 11.31 vs. the industry median of 2.35, Formosa Optical Technology 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 Medical Devices & Instruments company?
The median 5-Year Yield-on-Cost % among Medical Devices & Instruments companies is 2.35, based on 317 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. Formosa Optical Technology Co's current 5-Year Yield-on-Cost % of 13.59 is 478.3% 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 Formosa Optical Technology Co and its competitors. For the Medical Devices & Instruments industry, the median 5-Year Yield-on-Cost % is 2.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Formosa Optical Technology Co's current 5-Year Yield-on-Cost % is 13.59, which is 20% above median its own 10-year median of 11.31. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Optical Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Formosa Optical Technology Co (ROCO:5312) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$111.49, compared to a current price of NT$89.90 — trading 19.4% below its estimated fair value. The current 5-Year Yield-on-Cost % is 13.59, which is 20% above median its 10-year median of 11.31 and 478.3% above the Medical Devices & Instruments industry median of 2.35. Formosa Optical Technology Co's overall GF Score™ is 83/100 with 3 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 Formosa Optical Technology Co (ROCO:5312), the current 5-Year Yield-on-Cost % is 13.59 as of Aug. 19, 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 Formosa Optical Technology Co (ROCO:5312) Overvalued in 2026?
Based on GuruFocus' analysis, Formosa Optical Technology Co stock appears to be undervalued.
The current stock price of NT$89.90 is trading 19.4% below its estimated GF Value™ of NT$111.49.
GuruFocus considers Formosa Optical Technology Co to be Modestly Undervalued.
Key valuation signals for ROCO:5312:
5-Year Yield-on-Cost %: 13.59 (20% above median its 10-year median of 11.31)
GF Value™: NT$111.49 vs. price of NT$89.90 (19.4% below fair value)
Industry Position: 478.3% above the Medical Devices & Instruments median (#19 of 317)
No single metric tells the full story. See the ROCO:5312 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Formosa Optical Technology Co Ltd is mainly engaged in the eyewear business, including optometry services and the retail business selling contact lenses and eye drops. The Group mainly derives revenue from the business divisions of Formosa Optical Technology and Bo Wei Optical, with Formosa Optical Technology generating maximum revenue. The majority of revenue is derived from the sale of glasses. The Group generates the majority of its revenue from Taiwan.
83GF Score
Get the complete analysis for ROCO:5312
5-Year Yield-on-Cost % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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