Excelliance Mos (ROCO:5299) Tax Rate %: 4.85% (As of Jun. 2026)

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ROCO:5299 Excelliance Mos Corp ROCO:5299
67 GF Score
Price NT$98.70
GF Value NT$80.30
Valuation Modestly Overvalued
! 3 Warning Signs
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What is Excelliance Mos Tax Rate %?

Excelliance Mos ROCO:5299 -0.90% 67 Tax Rate % is 4.85% as of Jun. 2026. GuruFocus rates ROCO:5299 with a GF Score™ of 67/100 and a GF Value™ of NT$80.30 (Modestly Overvalued). The stock has 3 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Excelliance Mos's Tax Expense for the three months ended in Jun. 2026 was NT$8 Mil. Excelliance Mos's Pre-Tax Income for the three months ended in Jun. 2026 was NT$163 Mil. Therefore, Excelliance Mos's Tax Rate % for the quarter that ended in Jun. 2026 was 4.85%.

Excelliance Mos Tax Rate % Related Terms

Excelliance Mos Tax Rate % Historical Data

* Premium members only.

The historical data trend for Excelliance Mos'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.

Excelliance Mos Tax Rate % Chart

Excelliance Mos 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 19.29 20.67 15.67 14.77 14.98

Excelliance Mos 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 35.16 15.12 12.65 16.47 4.85
ROCO:5299
67GF Score
Excelliance Mos Corp ROCO:5299
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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Excelliance Mos Tax Rate % Calculation

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

Excelliance Mos'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 )
=41.026/273.867
=14.98 %

Excelliance Mos'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 )
=7.881/162.542
=4.85 %

* 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 4.85% mean?
Excelliance Mos (ROCO:5299) has a Tax Rate % of 4.85% as of Jun. 2026.
Is Excelliance Mos' Tax Rate % too high?
Excelliance Mos' current Tax Rate % is 4.85%. Overall, Excelliance Mos has a GF Score™ of 67/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Excelliance Mos' Tax Rate % compare to NVDA and AVGO?
Excelliance Mos' Tax Rate % of 4.85% can be compared against companies in the Semiconductors 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 Semiconductors company?
A good Tax Rate % depends on the Semiconductors 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. Excelliance Mos's current Tax Rate % is 4.85%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Excelliance Mos stock overvalued right now?
Based on GuruFocus' analysis, Excelliance Mos (ROCO:5299) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$80.30, compared to a current price of NT$98.70 — trading 22.9% above its estimated fair value. The current Tax Rate % is 4.85%. Excelliance Mos' overall GF Score™ is 67/100 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 Excelliance Mos (ROCO:5299), the current Tax Rate % is 4.85% 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 Excelliance Mos (ROCO:5299) Overvalued in 2026?

Based on GuruFocus' analysis, Excelliance Mos stock appears to be overvalued. The current stock price of NT$98.70 is trading 22.9% above its estimated GF Value™ of NT$80.30. GuruFocus considers Excelliance Mos to be Modestly Overvalued.

Key valuation signals for ROCO:5299:

  • Tax Rate %: 4.85%
  • GF Value™: NT$80.30 vs. price of NT$98.70 (22.9% above fair value)
  • GF Score™: 67/100 with 3 warning signs

No single metric tells the full story. See the ROCO:5299 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Excelliance Mos Business Description

Address Taiyuan Street, No. 22, 4th Floor - 1, Hsinchu County, Jhubei, TWN, 302082
Excelliance Mos Corp is a power device and IC design company specializing in power semiconductor process development, high-efficiency power devices, integrated circuits, and system design, empowered by its vertically integrated capabilities. The company's product portfolio mainly includes Power MOSFETs, AC/DC integrated circuits, and AC/DC controllers. These products are mainly used in laptops, desktops, LCD TVs, monitors, digital cameras, cell phones, and other related products. Geographically, the company generates maximum revenue from Taiwan, and the rest from China and other markets.
67GF Score

Get the complete analysis for ROCO:5299

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

NT$98.70
Price
NT$80.30
GF Value