Well Pool Co (ROCO:8424) Pretax Margin %: 27.90% (As of Dec. 2025) — 26% Above Median

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ROCO:8424 Well Pool Co Ltd ROCO:8424
87 GF Score
Price NT$68.50
GF Value NT$74.76
Valuation Fairly Valued
! 3 Warning Signs
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What is Well Pool Co Pretax Margin %?

Well Pool Co ROCO:8424 +0.15% 87 Pretax Margin % is 27.90% as of Dec. 2025, which is 26% above its 10-year median of 22.08. GuruFocus rates ROCO:8424 with a GF Score™ of 87/100 and a GF Value™ of NT$74.76 (Fairly Valued). The stock has 3 warning signs investors should review. Among 404 Building Materials companies, Well Pool Co ranks better than 88.37% on this metric.

Pre-Tax margin is calculated as Pre-Tax Income divided by its Revenue. Well Pool Co's Pre-Tax Income for the three months ended in Dec. 2025 was NT$75 Mil. Well Pool Co's Revenue for the three months ended in Dec. 2025 was NT$269 Mil. Therefore, Well Pool Co's pretax margin for the quarter that ended in Dec. 2025 was 27.90%.

The historical rank and industry rank for Well Pool Co's Pretax Margin % or its related term are showing as below:

ROCO:8424' s Pretax Margin % Range Over the Past 10 Years
Min: 17.29   Med: 22.08   Max: 24.16
Current: 24.16


ROCO:8424's Pretax Margin % is ranked better than
88.37% of 404 companies
in the Building Materials industry
Industry Median: 5.925 vs ROCO:8424: 24.16

Well Pool Co  (ROCO:8424) Pretax Margin % Explanation

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.


Well Pool Co Pretax Margin % Related Terms


Well Pool Co Pretax Margin % Historical Data

* Premium members only.

The historical data trend for Well Pool Co'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.

Well Pool Co Pretax Margin % Chart

Well Pool Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Pretax Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 23.30 22.65 20.12 20.18 24.16

Well Pool Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Pretax Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 20.82 23.20 22.86 22.68 27.90

ROCO:8424 vs CRH, VMC, MLM: Pretax Margin % Comparison

For the Building Materials subindustry, Well Pool Co'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.


Well Pool Co Pretax Margin % vs Building Materials Industry

For the Building Materials industry and Basic Materials sector, Well Pool Co's Pretax Margin % distribution charts can be found below:

* The bar in red indicates where Well Pool Co's Pretax Margin % falls into.


ROCO:8424
87GF Score
Well Pool Co Ltd ROCO:8424
Pretax Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Well Pool Co Pretax Margin % Calculation

Pretax margin - also known as pretax profit margin is the ratio of Pretax Income divided by net sales or Revenue, usually presented in percent.

Well Pool Co's Pretax Margin for the fiscal year that ended in Dec. 2025 is calculated as

Pretax Margin=Pre-Tax Income (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=261.352/1081.959
=24.16 %

Well Pool Co's Pretax Margin for the quarter that ended in Dec. 2025 is calculated as

Pretax Margin=Pre-Tax Income (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=75.014/268.878
=27.90 %

* 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.

Frequently Asked Questions Learn more about Pretax Margin % →
What does a Pretax Margin % of 27.90% mean?
Well Pool Co (ROCO:8424) has a Pretax Margin % of 27.90% as of Dec. 2025. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Well Pool Co and its competitors. This is 26% above median its historical median of 22.08. Over the past decade, Well Pool Co's Pretax Margin % has ranged from 17.29 to 24.16. According to the industry distribution chart, Well Pool Co ranks #47 out of 404 companies in the Building Materials industry, placing it in the top 11.6%.
Is Well Pool Co's Pretax Margin % too high?
Well Pool Co's current Pretax Margin % of 27.90% is 26% above median its 10-year median of 22.08. Over the past 10 years, this metric has ranged from a low of 17.29 to a high of 24.16. The Building Materials industry median Pretax Margin % is 5.93. Well Pool Co's value of 27.90% is 370.9% above this industry median. Based on the distribution chart, Well Pool Co ranks #47 out of 404 companies in the Building Materials industry, which is in the top quartile — a strong position relative to peers. Overall, Well Pool Co has a GF Score™ of 87/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Well Pool Co's Pretax Margin % compare to CRH and VMC?
According to the Building Materials industry distribution chart, Well Pool Co ranks #47 out of 404 companies for Pretax Margin %. This places Well Pool Co in the top 12% of its industry — outperforming the majority of peers. The industry median Pretax Margin % is 5.93. Well Pool Co's value of 27.90% is 370.9% above this benchmark. Historically, Well Pool Co's own Pretax Margin % has ranged from 17.29 to 24.16 over the past decade. While the company's 10-year median is 22.08 vs. the industry median of 5.93, Well Pool 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 Pretax Margin % for a Building Materials company?
The median Pretax Margin % among Building Materials companies is 5.93, based on 404 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. Well Pool Co's current Pretax Margin % of 27.90% is 370.9% 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 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 Well Pool Co and its competitors. For the Building Materials industry, the median Pretax Margin % is 5.93 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Well Pool Co's current Pretax Margin % is 27.90%, which is 26% above median its own 10-year median of 22.08. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Well Pool Co stock overvalued right now?
Based on GuruFocus' analysis, Well Pool Co (ROCO:8424) is currently considered Fairly Valued. The stock's GF Value™ is NT$74.76, compared to a current price of NT$68.50 — trading 8.4% below its estimated fair value. The current Pretax Margin % is 27.90%, which is 26% above median its 10-year median of 22.08 and 370.9% above the Building Materials industry median of 5.93. Well Pool Co's overall GF Score™ is 87/100 with 3 warning signs 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 Well Pool Co (ROCO:8424), the current Pretax Margin % is 27.90% 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 Well Pool Co (ROCO:8424) Overvalued in 2026?

Based on GuruFocus' analysis, Well Pool Co stock appears to be undervalued. The current stock price of NT$68.50 is trading 8.4% below its estimated GF Value™ of NT$74.76. GuruFocus considers Well Pool Co to be Fairly Valued.

Key valuation signals for ROCO:8424:

  • Pretax Margin %: 27.90% (26% above median its 10-year median of 22.08)
  • GF Value™: NT$74.76 vs. price of NT$68.50 (8.4% below fair value)
  • GF Score™: 87/100 with 3 warning signs
  • Industry Position: 370.9% above the Building Materials median (#47 of 404)

No single metric tells the full story. See the ROCO:8424 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Well Pool Co Business Description

Address No. 139, Zhengzhou Road, 5th Floor, Datong District, Taipei, TWN, 10341
Well Pool Co Ltd manufactures and sells fireproof and green building materials such as non-asbestos calcium silicate board and fiber cement boards.
87GF Score

Get the complete analysis for ROCO:8424

Pretax Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$68.50
Price
NT$74.76
GF Value