Thai Oil PCL (BKK:TOP) Tax Rate %: 19.58% (As of Mar. 2026)

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BKK:TOP Thai Oil PCL BKK:TOP
81 GF Score
Price ฿51.25
GF Value ฿41.51
Valuation Modestly Overvalued
! 5 Warning Signs
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What is Thai Oil PCL Tax Rate %?

Thai Oil PCL BKK:TOP +1.99% 81 Tax Rate % is 19.58% as of Mar. 2026. GuruFocus rates BKK:TOP with a GF Score™ of 81/100 and a GF Value™ of ฿41.51 (Modestly Overvalued). The stock has 5 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Thai Oil PCL's Tax Expense for the three months ended in Mar. 2026 was ฿4,884 Mil. Thai Oil PCL's Pre-Tax Income for the three months ended in Mar. 2026 was ฿24,940 Mil. Therefore, Thai Oil PCL's Tax Rate % for the quarter that ended in Mar. 2026 was 19.58%.

Thai Oil PCL Tax Rate % Related Terms

Thai Oil PCL Tax Rate % Historical Data

* Premium members only.

The historical data trend for Thai Oil PCL'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.

Thai Oil PCL Tax Rate % Chart

Thai Oil PCL 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 13.47 21.22 19.26 18.62 12.71

Thai Oil PCL Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 20.08 4.29 18.94 15.56 19.58
BKK:TOP
81GF Score
Thai Oil PCL BKK:TOP
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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Thai Oil PCL Tax Rate % Calculation

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

Thai Oil PCL'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 )
=2131.131/16769.498
=12.71 %

Thai Oil PCL's Tax Rate % for the quarter that ended in Mar. 2026 is calculated as

Tax Rate %=Tax Expense (Q: Mar. 2026 )/Pre-Tax Income (Q: Mar. 2026 )
=4883.558/24940.074
=19.58 %

* 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 19.58% mean?
Thai Oil PCL (BKK:TOP) has a Tax Rate % of 19.58% as of Mar. 2026.
Is Thai Oil PCL's Tax Rate % too high?
Thai Oil PCL's current Tax Rate % is 19.58%. Overall, Thai Oil PCL has a GF Score™ of 81/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Thai Oil PCL's Tax Rate % compare to VLO and MPC?
Thai Oil PCL's Tax Rate % of 19.58% can be compared against companies in the Oil & Gas 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 Oil & Gas company?
A good Tax Rate % depends on the Oil & Gas 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. Thai Oil PCL's current Tax Rate % is 19.58%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thai Oil PCL stock overvalued right now?
Based on GuruFocus' analysis, Thai Oil PCL (BKK:TOP) is currently considered Modestly Overvalued. The stock's GF Value™ is ฿41.51, compared to a current price of ฿51.25 — trading 23.5% above its estimated fair value. The current Tax Rate % is 19.58%. Thai Oil PCL's overall GF Score™ is 81/100 with 5 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 Thai Oil PCL (BKK:TOP), the current Tax Rate % is 19.58% as of Mar. 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 Thai Oil PCL (BKK:TOP) Overvalued in 2026?

Based on GuruFocus' analysis, Thai Oil PCL stock appears to be overvalued. The current stock price of ฿51.25 is trading 23.5% above its estimated GF Value™ of ฿41.51. GuruFocus considers Thai Oil PCL to be Modestly Overvalued.

Key valuation signals for BKK:TOP:

  • Tax Rate %: 19.58%
  • GF Value™: ฿41.51 vs. price of ฿51.25 (23.5% above fair value)
  • GF Score™: 81/100 with 5 warning signs

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

Thai Oil PCL Business Description

Industry EnergyOil & Gas
Address Vibhavadi Rangsit Road, 555/1 Energy Complex, 11th Floor, Building A, Chatuchak Subdistrict, Chatuchak District, Bangkok, THA, 10900
Thai Oil PCL operates an integrated business in oil refining and petrochemicals business. The company is engaged in oil refinery and distribution, petrochemicals, lube base oil and other businesses in domestic and overseas. It operates in the following reportable segments: Oil refinery, Lube base oil refinery, Aromatics and LAB, Solvent, Power generation, Ethanol, Olefins, and Others. The majority of the company's revenue is derived from the Oil refinery segment. Geographically, it generates the maximum revenue from Thailand, followed by Indonesia and other countries.
81GF Score

Get the complete analysis for BKK:TOP

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

฿51.25
Price
฿41.51
GF Value