Microbio Co (ROCO:4128) Tax Rate %: 0.00% (As of Jun. 2026)

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ROCO:4128 Microbio Co Ltd ROCO:4128
60 GF Score
Price NT$15.30
GF Value NT$37.00
Valuation Significantly Undervalued
! 2 Warning Signs
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What is Microbio Co Tax Rate %?

Microbio Co ROCO:4128 +0.66% 60 Tax Rate % is 0.00% as of Jun. 2026. GuruFocus rates ROCO:4128 with a GF Score™ of 60/100 and a GF Value™ of NT$37.00 (Significantly Undervalued). The stock has 2 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Microbio Co's Tax Expense for the three months ended in Jun. 2026 was NT$0 Mil. Microbio Co's Pre-Tax Income for the three months ended in Jun. 2026 was NT$750 Mil. Therefore, Microbio Co's Tax Rate % for the quarter that ended in Jun. 2026 was 0.00%.

Microbio Co Tax Rate % Related Terms

Microbio Co Tax Rate % Historical Data

* Premium members only.

The historical data trend for Microbio Co'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.

Microbio Co Tax Rate % Chart

Microbio Co 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 -0.56 -0.39 0.04 -0.01 -0.21

Microbio Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 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 0.00 -0.03 -1.81 0.00 0.00
ROCO:4128
60GF Score
Microbio Co Ltd ROCO:4128
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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Microbio Co Tax Rate % Calculation

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

Microbio Co'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 )
=1.956/-951.583
=-0.21 %

Microbio Co'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 )
=0/749.673
=0.00 %

* 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 0.00% mean?
Microbio Co (ROCO:4128) has a Tax Rate % of 0.00% as of Jun. 2026.
Is Microbio Co's Tax Rate % too high?
Microbio Co's current Tax Rate % is 0.00%. Overall, Microbio Co has a GF Score™ of 60/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Microbio Co's Tax Rate % compare to KHC and GIS?
Microbio Co's Tax Rate % of 0.00% can be compared against companies in the Consumer Packaged Goods 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 a Consumer Packaged Goods company?
A good Tax Rate % depends on the Consumer Packaged Goods 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. Microbio Co's current Tax Rate % is 0.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Microbio Co stock overvalued right now?
Based on GuruFocus' analysis, Microbio Co (ROCO:4128) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$37.00, compared to a current price of NT$15.30 — trading 58.6% below its estimated fair value. The current Tax Rate % is 0.00%. Microbio Co's overall GF Score™ is 60/100 with 2 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 Microbio Co (ROCO:4128), the current Tax Rate % is 0.00% 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 Microbio Co (ROCO:4128) Overvalued in 2026?

Based on GuruFocus' analysis, Microbio Co stock appears to be undervalued. The current stock price of NT$15.30 is trading 58.6% below its estimated GF Value™ of NT$37.00. GuruFocus considers Microbio Co to be Significantly Undervalued.

Key valuation signals for ROCO:4128:

  • Tax Rate %: 0.00%
  • GF Value™: NT$37.00 vs. price of NT$15.30 (58.6% below fair value)
  • GF Score™: 60/100 with 2 warning signs

No single metric tells the full story. See the ROCO:4128 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Microbio Co Business Description

Address Yuanqu Street, No. 3, 18th Floor - 1, Sanchong Village, Nangang District, Taipei, TWN
Microbio Co Ltd is engaged in the research and development, manufacturing, and trading of biotech drugs and dietary supplements. Its drug portfolio includes MS-20, a mixture of soybean fermentation metabolites, which improves fatigue and loss of appetite in cancer patients undergoing chemotherapy. In addition, the company also offers Lee Herb series of herbal essence drinks, Tien Chun Bao oral solutions, Herbiron oral solutions for iron deficiency, and other pharmaceutical and organic products. The company generates revenue from biotech drug research and development and the sale of dietary supplements. The majority of its revenue is generated from the sale of its dietary supplements.
60GF Score

Get the complete analysis for ROCO:4128

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

NT$15.30
Price
NT$37.00
GF Value