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Mildex OpticalROCO:4729 -1.84%54 Debt-to-EBITDA is 5.23 as of Jun. 2026, which is 37% below its 10-year median of 8.29. GuruFocus rates ROCO:4729 with a GF Score™ of 54/100 and a GF Value™ of NT$20.02 (Fairly Valued). The stock has 3 warning signs investors should review. Among 1,806 Hardware companies, Mildex Optical ranks worse than 87.04% on this metric.
Debt-to-EBITDA measures a company's ability to pay off its debt.
A high Debt-to-EBITDA ratio generally means that a company may spend more time to paying off its debt. According to Joel Tillinghast's BIG MONEY THINKS SMALL: Biases, Blind Spots, and Smarter Investing, a ratio of Debt-to-EBITDA exceeding four is usually considered scary unless tangible assets cover the debt.
The historical rank and industry rank for Mildex Optical's Debt-to-EBITDA or its related term are showing as below:
ROCO:4729'
s Debt-to-EBITDA Range Over the Past 10 Years
Min: -61.18 Med: 8.29 Max: 59.5
Current: 7.41
During the past 13 years, the highest Debt-to-EBITDA Ratio of Mildex Optical was 59.50. The lowest was -61.18. And the median was 8.29.
ROCO:4729's Debt-to-EBITDA is ranked worse than 87.04% of 1806
companies
in the Hardware industry
Industry Median: 1.69
vs ROCO:4729: 7.41
A high Debt-to-EBITDA ratio generally means that a company may spend more time to paying off its debt.
According to Joel Tillinghast's BIG MONEY THINKS SMALL: Biases, Blind Spots, and Smarter Investing, a ratio of Debt-to-EBITDA exceeding four is usually considered scary unless tangible assets cover the debt.
Mildex Optical Debt-to-EBITDA Related Terms
Mildex Optical Debt-to-EBITDA Historical Data
* Premium members only.
The historical data trend for Mildex Optical's Debt-to-EBITDA 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.
ROCO:4729 vs APH, GLW, TEL: Debt-to-EBITDA Comparison
For the Electronic Components subindustry, Mildex Optical's Debt-to-EBITDA, along with its competitors' market caps and Debt-to-EBITDA 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.
Mildex Optical Debt-to-EBITDA vs Hardware Industry
For the Hardware industry and Technology sector, Mildex Optical's Debt-to-EBITDA distribution charts can be found below:
* The bar in red indicates where Mildex Optical's Debt-to-EBITDA 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.
In the calculation of annual Debt-to-EBITDA, the EBITDA of the last fiscal year is used. In calculating the annualized quarterly data,
the EBITDA data used here is four times the quarterly (Jun. 2026) EBITDA data.
Mildex Optical (ROCO:4729) has a Debt-to-EBITDA of 5.23 as of Jun. 2026. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Mildex Optical. This is 37% below median its historical median of 8.29. According to the industry distribution chart, Mildex Optical ranks #1572 out of 1806 companies in the Hardware industry, placing it in the top 87%.
Is Mildex Optical's Debt-to-EBITDA too high?
Mildex Optical's current Debt-to-EBITDA of 5.23 is 37% below median its 10-year median of 8.29. The Hardware industry median Debt-to-EBITDA is 1.69. Mildex Optical's value of 5.23 is 209.5% above this industry median. Based on the distribution chart, Mildex Optical ranks #1572 out of 1806 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Mildex Optical has a GF Score™ of 54/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Mildex Optical's Debt-to-EBITDA compare to APH and GLW?
According to the Hardware industry distribution chart, Mildex Optical ranks #1572 out of 1806 companies for Debt-to-EBITDA. This places Mildex Optical in the lower half of its industry. The industry median Debt-to-EBITDA is 1.69. Mildex Optical's value of 5.23 is 209.5% above this benchmark. While the company's 10-year median is 8.29 vs. the industry median of 1.69, Mildex Optical 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 Debt-to-EBITDA for a Hardware company?
The median Debt-to-EBITDA among Hardware companies is 1.69, based on 1,806 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-EBITDA significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-EBITDA should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Mildex Optical's current Debt-to-EBITDA of 5.23 is 209.5% 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 Debt-to-EBITDA mean?
A high Debt-to-EBITDA can signal that a stock is expensive relative to its fundamentals. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Mildex Optical. For the Hardware industry, the median Debt-to-EBITDA is 1.69 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Mildex Optical's current Debt-to-EBITDA is 5.23, which is 37% below median its own 10-year median of 8.29. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mildex Optical stock overvalued right now?
Based on GuruFocus' analysis, Mildex Optical (ROCO:4729) is currently considered Fairly Valued. The stock's GF Value™ is NT$20.02, compared to a current price of NT$18.70 — trading 6.6% below its estimated fair value. The current Debt-to-EBITDA is 5.23, which is 37% below median its 10-year median of 8.29 and 209.5% above the Hardware industry median of 1.69. Mildex Optical's overall GF Score™ is 54/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-EBITDA calculated?
Debt-to-EBITDA is calculated from a company's financial statements. For Mildex Optical (ROCO:4729), the current Debt-to-EBITDA is 5.23 as of Jun. 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 Mildex Optical (ROCO:4729) Overvalued in 2026?
Based on GuruFocus' analysis, Mildex Optical stock appears to be undervalued.
The current stock price of NT$18.70 is trading 6.6% below its estimated GF Value™ of NT$20.02.
GuruFocus considers Mildex Optical to be Fairly Valued.
Key valuation signals for ROCO:4729:
Debt-to-EBITDA: 5.23 (37% below median its 10-year median of 8.29)
GF Value™: NT$20.02 vs. price of NT$18.70 (6.6% below fair value)
Industry Position: 209.5% above the Hardware median (#1572 of 1806)
No single metric tells the full story. See the ROCO:4729 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Mildex Optical Inc is mainly engaged in the manufacture and trading of touch panels. The Company includes touch screen modules, touch display modules, and system total solutions. Its products include Touch Screens, Touch Display Modules, TPM & TDM Standard, and system solutions. It operates in Taiwan, which generates maximum revenue, as well as Asia, the Americas, and Europe.
54GF Score
Get the complete analysis for ROCO:4729
Debt-to-EBITDA is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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