Ttbio (ROCO:6493) Tax Rate %: 2.42% (As of Jun. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ROCO:6493 Ttbio Corp ROCO:6493
65 GF Score
Price NT$41.35
GF Value NT$22.59
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is Ttbio Tax Rate %?

Ttbio ROCO:6493 +3.37% 65 Tax Rate % is 2.42% as of Jun. 2026. GuruFocus rates ROCO:6493 with a GF Score™ of 65/100 and a GF Value™ of NT$22.59 (Significantly Overvalued). The stock has 3 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Ttbio's Tax Expense for the six months ended in Jun. 2026 was NT$0.1 Mil. Ttbio's Pre-Tax Income for the six months ended in Jun. 2026 was NT$4.1 Mil. Therefore, Ttbio's Tax Rate % for the quarter that ended in Jun. 2026 was 2.42%.


Ttbio Tax Rate % Related Terms


Ttbio Tax Rate % Historical Data

* Premium members only.

The historical data trend for Ttbio'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.

Ttbio Tax Rate % Chart

Ttbio 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 18.32 17.62 17.46 23.78 -0.81

Ttbio 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 82.69 2.52 8.50 -2.27 2.42
ROCO:6493
65GF Score
Ttbio Corp ROCO:6493
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ttbio Tax Rate % Calculation

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

Ttbio'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 )
=0.171/-21.129
=-0.81 %

Ttbio'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 )
=0.099/4.094
=2.42 %

* 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 2.42% mean?
Ttbio (ROCO:6493) has a Tax Rate % of 2.42% as of Jun. 2026.
Is Ttbio's Tax Rate % too high?
Ttbio's current Tax Rate % is 2.42%. Overall, Ttbio has a GF Score™ of 65/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ttbio's Tax Rate % compare to ISRG and BDX?
Ttbio's Tax Rate % of 2.42% can be compared against companies in the Medical Devices & Instruments 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 Medical Devices & Instruments company?
A good Tax Rate % depends on the Medical Devices & Instruments 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. Ttbio's current Tax Rate % is 2.42%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ttbio stock overvalued right now?
Based on GuruFocus' analysis, Ttbio (ROCO:6493) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$22.59, compared to a current price of NT$41.35 — trading 83% above its estimated fair value. The current Tax Rate % is 2.42%. Ttbio's overall GF Score™ is 65/100 with 3 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 Ttbio (ROCO:6493), the current Tax Rate % is 2.42% 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 Ttbio (ROCO:6493) Overvalued in 2026?

Based on GuruFocus' analysis, Ttbio stock appears to be overvalued. The current stock price of NT$41.35 is trading 83% above its estimated GF Value™ of NT$22.59. GuruFocus considers Ttbio to be Significantly Overvalued.

Key valuation signals for ROCO:6493:

  • Tax Rate %: 2.42%
  • GF Value™: NT$22.59 vs. price of NT$41.35 (83% above fair value)
  • GF Score™: 65/100 with 3 warning signs

No single metric tells the full story. See the ROCO:6493 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Ttbio Business Description

Address 2nd Floor, Number 7, 6th Road Industry Park, Taichung, TWN, 40755
Ttbio Corp is a Taiwan based company engaged in the manufacturing of dental products and accessories. Its products include High-Speed Handpiece Series, Low-Speed Handpiece Series, Dental Spare Parts, Service Rotor, and Maintenance Unit among others.
65GF Score

Get the complete analysis for ROCO:6493

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

NT$41.35
Price
NT$22.59
GF Value