Formosa Optical Technology Co (ROCO:5312) Tax Rate %: 13.64% (As of Jun. 2026)

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ROCO:5312 Formosa Optical Technology Co Ltd ROCO:5312
85 GF Score
Price NT$91.90
GF Value NT$111.86
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Formosa Optical Technology Co Tax Rate %?

Formosa Optical Technology Co ROCO:5312 +0.11% 85 Tax Rate % is 13.64% as of Jun. 2026. GuruFocus rates ROCO:5312 with a GF Score™ of 85/100 and a GF Value™ of NT$111.86 (Modestly Undervalued). The stock has 3 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Formosa Optical Technology Co's Tax Expense for the three months ended in Jun. 2026 was NT$21 Mil. Formosa Optical Technology Co's Pre-Tax Income for the three months ended in Jun. 2026 was NT$152 Mil. Therefore, Formosa Optical Technology Co's Tax Rate % for the quarter that ended in Jun. 2026 was 13.64%.

Formosa Optical Technology Co Tax Rate % Related Terms

Formosa Optical Technology Co Tax Rate % Historical Data

* Premium members only.

The historical data trend for Formosa Optical Technology 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.

Formosa Optical Technology Co Tax Rate % Chart

Formosa Optical Technology 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 18.39 17.32 16.32 19.95 19.30

Formosa Optical Technology 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 27.85 13.80 23.81 18.34 13.64
ROCO:5312
85GF Score
Formosa Optical Technology Co Ltd ROCO:5312
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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Formosa Optical Technology Co Tax Rate % Calculation

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

Formosa Optical Technology 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 )
=92.043/477.024
=19.30 %

Formosa Optical Technology 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 )
=20.71/151.839
=13.64 %

* 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 13.64% mean?
Formosa Optical Technology Co (ROCO:5312) has a Tax Rate % of 13.64% as of Jun. 2026.
Is Formosa Optical Technology Co's Tax Rate % too high?
Formosa Optical Technology Co's current Tax Rate % is 13.64%. Overall, Formosa Optical Technology Co has a GF Score™ of 85/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Optical Technology Co's Tax Rate % compare to ISRG and BDX?
Formosa Optical Technology Co's Tax Rate % of 13.64% 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. Formosa Optical Technology Co's current Tax Rate % is 13.64%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Optical Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Formosa Optical Technology Co (ROCO:5312) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$111.86, compared to a current price of NT$91.90 — trading 17.8% below its estimated fair value. The current Tax Rate % is 13.64%. Formosa Optical Technology Co's overall GF Score™ is 85/100 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 Formosa Optical Technology Co (ROCO:5312), the current Tax Rate % is 13.64% 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 Formosa Optical Technology Co (ROCO:5312) Overvalued in 2026?

Based on GuruFocus' analysis, Formosa Optical Technology Co stock appears to be undervalued. The current stock price of NT$91.90 is trading 17.8% below its estimated GF Value™ of NT$111.86. GuruFocus considers Formosa Optical Technology Co to be Modestly Undervalued.

Key valuation signals for ROCO:5312:

  • Tax Rate %: 13.64%
  • GF Value™: NT$111.86 vs. price of NT$91.90 (17.8% below fair value)
  • GF Score™: 85/100 with 3 warning signs

No single metric tells the full story. See the ROCO:5312 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Formosa Optical Technology Co Business Description

Address No. 97, Xintai 5th Road, 16th Floor, Section 1, Xizhi District, New Taipei City, TWN
Formosa Optical Technology Co Ltd is mainly engaged in the eyewear business, including optometry services and the retail business selling contact lenses and eye drops. The Group mainly derives revenue from the business divisions of Formosa Optical Technology and Bo Wei Optical, with Formosa Optical Technology generating maximum revenue. The majority of revenue is derived from the sale of glasses. The Group generates the majority of its revenue from Taiwan.
85GF Score

Get the complete analysis for ROCO:5312

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

NT$91.90
Price
NT$111.86
GF Value