SISB PCL (BKK:SISB-R) Inventory-to-Revenue: 0.02 (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.

BKK:SISB-R SISB PCL BKK:SISB-R
83 GF Score
Price ฿9.40
GF Value ฿27.38
Valuation Significantly Undervalued
! 2 Warning Signs
View Full Analysis

What is SISB PCL Inventory-to-Revenue?

SISB PCL BKK:SISB-R +0.53% 83 Inventory-to-Revenue is 0.02 as of Jun. 2026. GuruFocus rates BKK:SISB-R with a GF Score™ of 83/100 and a GF Value™ of ฿27.38 (Significantly Undervalued). The stock has 2 warning signs investors should review.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. SISB PCL's Average Total Inventories for the quarter that ended in Jun. 2026 was ฿13 Mil. SISB PCL's Revenue for the three months ended in Jun. 2026 was ฿624 Mil. SISB PCL's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 0.02.

SISB PCL's Inventory-to-Revenue for the quarter that ended in Jun. 2026 declined from Mar. 2026 (0.02) to Mar. 2026 (0.02)

A decrease in the Inventory-to-Revenue from one quarter to next indicates that one of these is occurring:

1. investment in inventory is shrinking in relation to revenue
2. revenue are increasing
No matter which situation is causing the reduction in the Inventory-to-Revenue, either one suggests that business's inventory levels and its cash flow are effectively managed.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. SISB PCL's Days Inventory for the three months ended in Jun. 2026 was 3.93.

Inventory Turnover measures how fast the company turns over its inventory within a year. SISB PCL's Inventory Turnover for the quarter that ended in Jun. 2026 was 23.23.


SISB PCL  (BKK:SISB-R) Inventory-to-Revenue Explanation

An increase in Inventory-to-Revenue from one quarter to the next indicates that one of the following is happening:

1. investment in inventory is growing more rapidly than revenue
2. revenue are dropping
No matter which situation is causing the problem, an increase in the Inventory-to-Revenue may signal an oncoming cash flow problem.

Likewise, a decrease in the Inventory-to-Revenue from one quarter to next indicates that one of these is occurring:

1. investment in inventory is shrinking in relation to revenue
2. revenue are increasing
No matter which situation is causing the reduction in the Inventory-to-Revenue, either one suggests that business's inventory levels and its cash flow are effectively managed.

More Related Terms:

1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

SISB PCL's Days Inventory for the three months ended in Jun. 2026 is calculated as:

Days Inventory=Average Total Inventories (Q: Jun. 2026 )/Cost of Goods Sold (Q: Jun. 2026 )*Days in Period
=12.994/301.826*365 / 4
=3.93

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

SISB PCL's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

Inventory Turnover=Cost of Goods Sold (Q: Jun. 2026 ) / Average Total Inventories (Q: Jun. 2026 )
=301.826 / 12.994
=23.23

* 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 Inventory-to-Revenue Related Terms


SISB PCL Inventory-to-Revenue Historical Data

* Premium members only.

The historical data trend for SISB PCL's Inventory-to-Revenue 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 Inventory-to-Revenue Chart

SISB PCL Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Inventory-to-Revenue
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.01 0.01 0.01 0.01 0.01

SISB PCL Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Inventory-to-Revenue 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 0.03 0.02 0.02 0.02 0.02

BKK:SISB-R vs EDU, TAL, LAUR: Inventory-to-Revenue Comparison

For the Education & Training Services subindustry, SISB PCL's Inventory-to-Revenue, along with its competitors' market caps and Inventory-to-Revenue data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


SISB PCL Inventory-to-Revenue vs Education Industry

For the Education industry and Consumer Defensive sector, SISB PCL's Inventory-to-Revenue distribution charts can be found below:

* The bar in red indicates where SISB PCL's Inventory-to-Revenue falls into.


BKK:SISB-R
83GF Score
SISB PCL BKK:SISB-R
Inventory-to-Revenue is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

SISB PCL Inventory-to-Revenue Calculation

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

SISB PCL's Inventory-to-Revenue for the fiscal year that ended in Dec. 2025 is calculated as

Inventory-to-Revenue (A: Dec. 2025 )
=Average Total Inventories / Revenue
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Revenue (A: Dec. 2025 )
=( (17.147 + 15.051) / 2 ) / 2513.609
=16.099 / 2513.609
=0.01

SISB PCL's Inventory-to-Revenue for the quarter that ended in Jun. 2026 is calculated as

Inventory-to-Revenue (Q: Jun. 2026 )
=Average Total Inventories / Revenue
=( (Total Inventories (Q: Mar. 2026 ) + Total Inventories (Q: Jun. 2026 )) / count ) / Revenue (Q: Jun. 2026 )
=( (13.447 + 12.541) / 2 ) / 623.527
=12.994 / 623.527
=0.02

* 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 Inventory-to-Revenue →
What does a Inventory-to-Revenue of 0.02 mean?
SISB PCL (BKK:SISB-R) has a Inventory-to-Revenue of 0.02 as of Jun. 2026. Inventory-to-Sales ratio is the total inventories divided by total sales. View historical data on SISB PCL and its competitors.
Is SISB PCL's Inventory-to-Revenue too high?
SISB PCL's current Inventory-to-Revenue is 0.02. Overall, SISB PCL has a GF Score™ of 83/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does SISB PCL's Inventory-to-Revenue compare to EDU and TAL?
SISB PCL's Inventory-to-Revenue of 0.02 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 Inventory-to-Revenue for an Education company?
A good Inventory-to-Revenue depends on the Education industry context. However, Inventory-to-Revenue 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 Inventory-to-Revenue mean?
A high Inventory-to-Revenue can signal that a stock is expensive relative to its fundamentals. Inventory-to-Sales ratio is the total inventories divided by total sales. View historical data on SISB PCL and its competitors. SISB PCL's current Inventory-to-Revenue is 0.02. 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-R) is currently considered Significantly Undervalued. The stock's GF Value™ is ฿27.38, compared to a current price of ฿9.40 — trading 65.7% below its estimated fair value. The current Inventory-to-Revenue is 0.02. SISB PCL's overall GF Score™ is 83/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Inventory-to-Revenue calculated?
Inventory-to-Revenue is calculated from a company's financial statements. For SISB PCL (BKK:SISB-R), the current Inventory-to-Revenue is 0.02 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 SISB PCL (BKK:SISB-R) Overvalued in 2026?

Based on GuruFocus' analysis, SISB PCL stock appears to be undervalued. The current stock price of ฿9.40 is trading 65.7% below its estimated GF Value™ of ฿27.38. GuruFocus considers SISB PCL to be Significantly Undervalued.

Key valuation signals for BKK:SISB-R:

  • Inventory-to-Revenue: 0.02
  • GF Value™: ฿27.38 vs. price of ฿9.40 (65.7% below fair value)
  • GF Score™: 83/100 with 2 warning signs

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


SISB PCL Business Description

Other Exchanges SISB:Thailand
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.
83GF Score

Get the complete analysis for BKK:SISB-R

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

฿9.40
Price
฿27.38
GF Value