Grand Green Energy (ROCO:6639) Tax Rate %: -2.01% (As of Jun. 2026)

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ROCO:6639 Grand Green Energy Corp ROCO:6639
57 GF Score
Price NT$3.61
GF Value NT$4.66
Valuation Modestly Undervalued
! 4 Warning Signs
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What is Grand Green Energy Tax Rate %?

Grand Green Energy ROCO:6639 -1.90% 57 Tax Rate % is -2.01% as of Jun. 2026. GuruFocus rates ROCO:6639 with a GF Score™ of 57/100 and a GF Value™ of NT$4.66 (Modestly Undervalued). The stock has 4 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Grand Green Energy's Tax Expense for the six months ended in Jun. 2026 was NT$0.49 Mil. Grand Green Energy's Pre-Tax Income for the six months ended in Jun. 2026 was NT$-24.35 Mil. Therefore, Grand Green Energy's Tax Rate % for the quarter that ended in Jun. 2026 was -2.01%.

Grand Green Energy Tax Rate % Related Terms

Grand Green Energy Tax Rate % Historical Data

* Premium members only.

The historical data trend for Grand Green Energy's Tax Rate % 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.

Grand Green Energy Tax Rate % Chart

Grand Green Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Tax Rate %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 19.05 -2.94 8.24 7.55 7.19

Grand Green Energy Semi-Annual Data
Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25 Jun26
Tax Rate % 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 21.90 2.50 2.70 8.28 -2.01
ROCO:6639
57GF Score
Grand Green Energy Corp ROCO:6639
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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Grand Green Energy Tax Rate % Calculation

Tax Rate % is the ratio of tax expense divided by pretax income, usually presented in percent.

Grand Green Energy's Tax Rate % for the fiscal year that ended in Dec. 2025 is calculated as

Tax Rate %=Tax Expense (A: Dec. 2025 )/Pre-Tax Income (A: Dec. 2025 )
=-3.665/-50.984
=7.19 %

Grand Green Energy's Tax Rate % for the quarter that ended in Jun. 2026 is calculated as

Tax Rate %=Tax Expense (Q: Jun. 2026 )/Pre-Tax Income (Q: Jun. 2026 )
=0.489/-24.352
=-2.01 %

* 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 Tax Rate % →
What does a Tax Rate % of -2.01% mean?
Grand Green Energy (ROCO:6639) has a Tax Rate % of -2.01% as of Jun. 2026.
Is Grand Green Energy's Tax Rate % too high?
Grand Green Energy's current Tax Rate % is -2.01%. Overall, Grand Green Energy has a GF Score™ of 57/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Grand Green Energy's Tax Rate % compare to GEV and ETN?
Grand Green Energy's Tax Rate % of -2.01% can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Rate % for an Industrial Products company?
A good Tax Rate % depends on the Industrial Products industry context. However, Tax Rate % 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 Tax Rate % mean?
A high Tax Rate % can signal that a stock is expensive relative to its fundamentals. Grand Green Energy's current Tax Rate % is -2.01%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Grand Green Energy stock overvalued right now?
Based on GuruFocus' analysis, Grand Green Energy (ROCO:6639) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$4.66, compared to a current price of NT$3.61 — trading 22.5% below its estimated fair value. The current Tax Rate % is -2.01%. Grand Green Energy's overall GF Score™ is 57/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Rate % calculated?
Tax Rate % is calculated from a company's financial statements. For Grand Green Energy (ROCO:6639), the current Tax Rate % is -2.01% 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 Grand Green Energy (ROCO:6639) Overvalued in 2026?

Based on GuruFocus' analysis, Grand Green Energy stock appears to be undervalued. The current stock price of NT$3.61 is trading 22.5% below its estimated GF Value™ of NT$4.66. GuruFocus considers Grand Green Energy to be Modestly Undervalued.

Key valuation signals for ROCO:6639:

  • Tax Rate %: -2.01%
  • GF Value™: NT$4.66 vs. price of NT$3.61 (22.5% below fair value)
  • GF Score™: 57/100 with 4 warning signs

No single metric tells the full story. See the ROCO:6639 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Grand Green Energy Business Description

Address No.192, Jinshan Street, Yangmei District, Taoyuan City, TWN, 326
Grand Green Energy Corp is mainly engaged in the development and sale of thermal energy supply system and other thermal equipment. The company caters to textile, food, chemical, and paper industry. It also offers air pollution emission equipment.
57GF Score

Get the complete analysis for ROCO:6639

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

NT$3.61
Price
NT$4.66
GF Value