SISB PCL (BKK:SISB) Interest Expense: ฿-30 Mil (TTM As of Mar. 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.

BKK:SISB SISB PCL BKK:SISB
88 GF Score
Price ฿9.60
GF Value ฿35.01
Valuation Significantly Undervalued
! 2 Warning Signs
View Full Analysis

What is SISB PCL Interest Expense?

SISB PCL BKK:SISB 88 Interest Expense is ฿-30 Mil as of Mar. 2026. GuruFocus rates BKK:SISB with a GF Score™ of 88/100 and a GF Value™ of ฿35.01 (Significantly Undervalued). The stock has 2 warning signs investors should review.

Interest Expense is the amount reported by a company or individual as an expense for borrowed money. SISB PCL's interest expense for the three months ended in Mar. 2026 was ฿ -8 Mil. Its interest expense for the trailing twelve months (TTM) ended in Mar. 2026 was ฿-30 Mil.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income(EBIT) by its Interest Expense. SISB PCL's Operating Income for the three months ended in Mar. 2026 was ฿ 206 Mil. SISB PCL's Interest Expense for the three months ended in Mar. 2026 was ฿ -8 Mil. SISB PCL's Interest Coverage for the quarter that ended in Mar. 2026 was 25.45. The higher the ratio, the stronger the company's financial strength is. Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

SISB PCL  (BKK:SISB) Interest Expense Explanation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense. The higher, the better.

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

SISB PCL's Interest Expense for the three months ended in Mar. 2026 was ฿-8 Mil. Its Operating Income for the three months ended in Mar. 2026 was ฿206 Mil. And its Long-Term Debt & Capital Lease Obligation for the three months ended in Mar. 2026 was ฿552 Mil.

SISB PCL's Interest Coverage for the quarter that ended in Mar. 2026 is calculated as

Interest Coverage=-1* Operating Income (Q: Mar. 2026 )/Interest Expense (Q: Mar. 2026 )
=-1*205.849/-8.089
=25.45

* 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.

The higher the ratio, the stronger the company's financial strength is.

SISB PCL Interest Expense Historical Data

* Premium members only.

The historical data trend for SISB PCL's Interest Expense 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.

SISB PCL Interest Expense Chart

SISB PCL Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Interest Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only -23.63 -22.74 -22.44 -25.34 -29.71

SISB PCL Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Interest Expense 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 -8.20 -10.14 -8.46 -2.91 -8.09
BKK:SISB
88GF Score
SISB PCL BKK:SISB
Interest Expense is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

SISB PCL Interest Expense Calculation

Interest Expense is the amount reported by a company or individual as an expense for borrowed money.

Interest Expense for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was ฿-30 Mil.

* 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 Interest Expense →
What does a Interest Expense of ฿-30 Mil mean?
SISB PCL (BKK:SISB) has a Interest Expense of ฿-30 Mil as of Mar. 2026. Interest Expense is the amount a company pays on its long-term debt. View historical data on SISB PCL and its competitors.
Is SISB PCL's Interest Expense too high?
SISB PCL's current Interest Expense is ฿-30 Mil. Overall, SISB PCL has a GF Score™ of 88/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does SISB PCL's Interest Expense compare to EDU and TAL?
SISB PCL's Interest Expense of ฿-30 Mil can be compared against companies in the Education industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Interest Expense for an Education company?
A good Interest Expense depends on the Education industry context. However, Interest Expense 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 Interest Expense mean?
A high Interest Expense can signal that a stock is expensive relative to its fundamentals. Interest Expense is the amount a company pays on its long-term debt. View historical data on SISB PCL and its competitors. SISB PCL's current Interest Expense is ฿-30 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SISB PCL stock overvalued right now?
Based on GuruFocus' analysis, SISB PCL (BKK:SISB) is currently considered Significantly Undervalued. The stock's GF Value™ is ฿35.01, compared to a current price of ฿9.60 — trading 72.6% below its estimated fair value. The current Interest Expense is ฿-30 Mil. SISB PCL's overall GF Score™ is 88/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Expense calculated?
Interest Expense is calculated from a company's financial statements. For SISB PCL (BKK:SISB), the current Interest Expense is ฿-30 Mil 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 SISB PCL (BKK:SISB) Overvalued in 2026?

Based on GuruFocus' analysis, SISB PCL stock appears to be undervalued. The current stock price of ฿9.60 is trading 72.6% below its estimated GF Value™ of ฿35.01. GuruFocus considers SISB PCL to be Significantly Undervalued.

Key valuation signals for BKK:SISB:

  • Interest Expense: ฿-30 Mil
  • GF Value™: ฿35.01 vs. price of ฿9.60 (72.6% below fair value)
  • GF Score™: 88/100 with 2 warning signs

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

SISB PCL Business Description

Address Pracha Uthit Road, 498/12, Soi Ramkhamhaeng 39 (Tepleela 1), Wangthonglang, Bangkok, THA, 10310
SISB PCL is principally engaged in the operation of international schools. Its operations are carried on only in Thailand. It is a provider of the Singapore curriculum for Mathematics and Science, with a focus on English, based on the Programme for International Student Assessment (PISA). It has five campuses in Thailand, which adopt the Singapore curriculum and Cambridge IGCSE A and AS Levels, as well as the International Baccalaureate. It teaches students to be trilingual: English, Thai, and Chinese, in addition to a holistic education to develop students to their fullest potential.
88GF Score

Get the complete analysis for BKK:SISB

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

฿9.60
Price
฿35.01
GF Value