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Pre-Tax margin is calculated as Pre-Tax Income divided by its Revenue. Macroblock's Pre-Tax Income for the
three
months ended in Dec. 2025 was NT$-27 Mil. Macroblock's Revenue for the
three
months ended in Dec. 2025 was NT$329 Mil. Therefore, Macroblock's pretax margin for the quarter that ended in Dec. 2025 was -8.30%.
The historical rank and industry rank for Macroblock's Pretax Margin % or its related term are showing as below:
ROCO:3527'
s Pretax Margin % Range Over the Past 10 Years
Min: -5.04 Med: 6.94 Max: 19.63
Current: -5.04
ROCO:3527's Pretax Margin % is ranked worse than 69.99% of 1023
companies
in the Semiconductors industry
Industry Median: 5.07
vs ROCO:3527: -5.04
The pretax margin, as know as pretax profit margin, is widely used to measure the operating efficiency of a company before deducting taxes.
The pretax margin is sometimes preferred over the net margin as tax expenditures can make profitability comparisons between companies misleading.
It is a useful tool to compare companies operating in the same sector and less effective when comparing companies from other sectors as each industry generally has different operating expenses and sales patterns.
The long term trend of the pretax margin is a good indicator of the competitiveness and health of the business.
Macroblock Pretax Margin % Related Terms
Macroblock Pretax Margin % Historical Data
* Premium members only.
The historical data trend for Macroblock's Pretax 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.
ROCO:3527 vs NVDA, AVGO, MU: Pretax Margin % Comparison
For the Semiconductors subindustry, Macroblock's Pretax Margin %, along with its competitors' market caps and Pretax 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.
Macroblock Pretax Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Macroblock's Pretax Margin % distribution charts can be found below:
* The bar in red indicates where Macroblock's Pretax 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.
Macroblock (ROCO:3527) has a Pretax Margin % of -8.30% as of Dec. 2025. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Macroblock and its competitors. According to the industry distribution chart, Macroblock ranks #716 out of 1023 companies in the Semiconductors industry, placing it in the top 70%.
Is Macroblock's Pretax Margin % too high?
Macroblock's current Pretax Margin % is -8.30%. Based on the distribution chart, Macroblock ranks #716 out of 1023 companies in the Semiconductors industry, which is below the industry midpoint. Overall, Macroblock has a GF Score™ of 58/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Macroblock's Pretax Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Macroblock ranks #716 out of 1023 companies for Pretax Margin %. This places Macroblock in the lower half of its industry. The industry median Pretax Margin % is 5.07. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Pretax Margin % for a Semiconductors company?
The median Pretax Margin % among Semiconductors companies is 5.07, based on 1,023 companies in the industry. Companies in the top quartile (top 25%) have a Pretax Margin % significantly above this median, while those in the bottom quartile fall well below. However, Pretax 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 Pretax Margin % mean?
A high Pretax Margin % can signal that a stock is expensive relative to its fundamentals. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Macroblock and its competitors. For the Semiconductors industry, the median Pretax Margin % is 5.07 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Macroblock's current Pretax Margin % is -8.30%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Macroblock stock overvalued right now?
Based on GuruFocus' analysis, Macroblock (ROCO:3527) is currently considered Fairly Valued. The stock's GF Value™ is NT$57.36, compared to a current price of NT$54.50 — trading 5% below its estimated fair value. The current Pretax Margin % is -8.30%. Macroblock's overall GF Score™ is 58/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Pretax Margin % calculated?
Pretax Margin % is calculated from a company's financial statements. For Macroblock (ROCO:3527), the current Pretax Margin % is -8.30% as of Dec. 2025. 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 Macroblock (ROCO:3527) Overvalued in 2026?
Based on GuruFocus' analysis, Macroblock stock appears to be undervalued.
The current stock price of NT$54.50 is trading 5% below its estimated GF Value™ of NT$57.36.
GuruFocus considers Macroblock to be Fairly Valued.
Key valuation signals for ROCO:3527:
Pretax Margin %: -8.30%
GF Value™: NT$57.36 vs. price of NT$54.50 (5% below fair value)
No single metric tells the full story. See the ROCO:3527 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Macroblock Inc is a Taiwan-based company engaged in the design, manufacture, and distribution of light-emitting diode (LED)-drive integrated circuits. Its products include LED-drive ICs, mixed digital and analog ICs, lighting products, and power modules. Geographically, the company operates in China, America, Europe, Taiwan, Asia, and others. The majority of revenue is generated from China. The reportable segments of the company are Integrated circuits and Controller, driver and others. The Integrated circuits segment is the key revenue driver.
58GF Score
Get the complete analysis for ROCO:3527
Pretax Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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