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.
St Shine Optical CoROCO:1565 +0.42%70 5-Year Yield-on-Cost % is 4.99 as of Aug. 19, 2026, which is 100% above its 10-year median of 2.50. GuruFocus rates ROCO:1565 with a GF Score™ of 70/100 and a GF Value™ of NT$152.82 (Possible Value Trap). The stock has 4 warning signs investors should review. Among 317 Medical Devices & Instruments companies, St Shine Optical Co ranks better than 76.34% on this metric.
St Shine Optical Co's yield on cost for the quarter that ended in Jun. 2026 was 4.99.
The historical rank and industry rank for St Shine Optical Co's 5-Year Yield-on-Cost % or its related term are showing as below:
ROCO:1565'
s 5-Year Yield-on-Cost % Range Over the Past 10 Years
Min: 1.37 Med: 2.5 Max: 5.12
Current: 4.99
During the past 13 years, St Shine Optical Co's highest Yield on Cost was 5.12. The lowest was 1.37. And the median was 2.50.
ROCO:1565's 5-Year Yield-on-Cost % is ranked better than 76.34% of 317
companies
in the Medical Devices & Instruments industry
Industry Median: 2.35
vs ROCO:1565: 4.99
St Shine Optical Co (ROCO:1565) 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.
St Shine Optical Co 5-Year Yield-on-Cost % Related Terms
ROCO:1565 vs ISRG, BDX, MDLN: 5-Year Yield-on-Cost % Comparison
For the Medical Instruments & Supplies subindustry, St Shine Optical 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.
St Shine Optical Co 5-Year Yield-on-Cost % vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, St Shine Optical Co's 5-Year Yield-on-Cost % distribution charts can be found below:
* The bar in red indicates where St Shine Optical Co's 5-Year Yield-on-Cost % falls into.
St Shine Optical 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.
St Shine Optical Co (ROCO:1565) has a 5-Year Yield-on-Cost % of 4.99 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 St Shine Optical Co and its competitors. This is 100% above median its historical median of 2.50. Over the past decade, St Shine Optical Co's 5-Year Yield-on-Cost % has ranged from 1.37 to 5.12. According to the industry distribution chart, St Shine Optical Co ranks #75 out of 317 companies in the Medical Devices & Instruments industry, placing it in the top 23.7%.
Is St Shine Optical Co's 5-Year Yield-on-Cost % too high?
St Shine Optical Co's current 5-Year Yield-on-Cost % of 4.99 is 100% above median its 10-year median of 2.50. Over the past 10 years, this metric has ranged from a low of 1.37 to a high of 5.12. The Medical Devices & Instruments industry median 5-Year Yield-on-Cost % is 2.35. St Shine Optical Co's value of 4.99 is 112.3% above this industry median. Based on the distribution chart, St Shine Optical Co ranks #75 out of 317 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, St Shine Optical Co has a GF Score™ of 70/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does St Shine Optical Co's 5-Year Yield-on-Cost % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, St Shine Optical Co ranks #75 out of 317 companies for 5-Year Yield-on-Cost %. This places St Shine Optical Co in the top 24% of its industry — outperforming the majority of peers. The industry median 5-Year Yield-on-Cost % is 2.35. St Shine Optical Co's value of 4.99 is 112.3% above this benchmark. Historically, St Shine Optical Co's own 5-Year Yield-on-Cost % has ranged from 1.37 to 5.12 over the past decade. While the company's 10-year median is 2.50 vs. the industry median of 2.35, St Shine Optical 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. St Shine Optical Co's current 5-Year Yield-on-Cost % of 4.99 is 112.3% 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 St Shine Optical 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. St Shine Optical Co's current 5-Year Yield-on-Cost % is 4.99, which is 100% above median its own 10-year median of 2.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is St Shine Optical Co stock overvalued right now?
Based on GuruFocus' analysis, St Shine Optical Co (ROCO:1565) is currently considered Possible Value Trap. The stock's GF Value™ is NT$152.82, compared to a current price of NT$94.90 — trading 37.9% below its estimated fair value. The current 5-Year Yield-on-Cost % is 4.99, which is 100% above median its 10-year median of 2.50 and 112.3% above the Medical Devices & Instruments industry median of 2.35. St Shine Optical Co's overall GF Score™ is 70/100 with 4 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 St Shine Optical Co (ROCO:1565), the current 5-Year Yield-on-Cost % is 4.99 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 St Shine Optical Co (ROCO:1565) Overvalued in 2026?
Based on GuruFocus' analysis, St Shine Optical Co stock appears to be undervalued.
The current stock price of NT$94.90 is trading 37.9% below its estimated GF Value™ of NT$152.82.
GuruFocus considers St Shine Optical Co to be Possible Value Trap.
Key valuation signals for ROCO:1565:
5-Year Yield-on-Cost %: 4.99 (100% above median its 10-year median of 2.50)
GF Value™: NT$152.82 vs. price of NT$94.90 (37.9% below fair value)
Industry Position: 112.3% above the Medical Devices & Instruments median (#75 of 317)
No single metric tells the full story. See the ROCO:1565 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
St Shine Optical Co Ltd is engaged in the manufacturing and trading of contact lenses (soft and hard), optical lenses, and related products. Geographically, the company generates maximum of its revenue from Asia (excluding Taiwan), followed by Europe, Taiwan, and America.
70GF Score
Get the complete analysis for ROCO:1565
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:1565 has been successfully added to your 
