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SISB PCLBKK:SISB 88 Days Inventory is 4.27 as of Mar. 2026, which is 13% below its 10-year median of 4.93. 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. Among 156 Education companies, SISB PCL ranks better than 61.54% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). SISB PCL's Average Total Inventories for the
three
months ended in Mar. 2026 was ฿14 Mil. SISB PCL's Cost of Goods Sold for the
three
months ended in Mar. 2026 was ฿305 Mil.
Hence, SISB PCL's Days Inventory for the
three
months ended in Mar. 2026 was 4.27.
The historical rank and industry rank for SISB PCL's Days Inventory or its related term are showing as below:
BKK:SISB'
s Days Inventory Range Over the Past 10 Years
Min: 4.27 Med: 4.93 Max: 11.94
Current: 4.55
During the past 12 years, SISB PCL's highest Days Inventory was 11.94. The lowest was 4.27. And the median was 4.93.
BKK:SISB's Days Inventory is ranked better than 61.54% of 156
companies
in the Education industry
Industry Median: 7.99
vs BKK:SISB: 4.55
SISB PCL's Days Inventory
declined
from Mar. 2025 (5.35) to Mar. 2026 (4.27).
Inventory Turnover measures how fast the company turns over its inventory within a year.
SISB PCL's Inventory Turnover for the
three
months ended in Mar. 2026 was 21.39.
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
three
months ended in Mar. 2026 was 0.02.
SISB PCL (BKK:SISB) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
SISB PCL's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. 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
three
months ended in Mar. 2026 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
SISB PCL Days Inventory Related Terms
SISB PCL Days Inventory Historical Data
* Premium members only.
The historical data trend for SISB PCL's Days Inventory 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.
BKK:SISB vs EDU, TAL, LAUR: Days Inventory Comparison
For the Education & Training Services subindustry, SISB PCL's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Education Industry
For the Education industry and Consumer Defensive sector, SISB PCL's Days Inventory distribution charts can be found below:
* The bar in red indicates where SISB PCL's Days Inventory falls into.
* 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 (BKK:SISB) has a Days Inventory of 4.27 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on SISB PCL and its competitors. This is 13% below median its historical median of 4.93. Over the past decade, SISB PCL's Days Inventory has ranged from 4.27 to 11.94. According to the industry distribution chart, SISB PCL ranks #60 out of 156 companies in the Education industry, placing it in the top 38.5%.
Is SISB PCL's Days Inventory too high?
SISB PCL's current Days Inventory of 4.27 is 13% below median its 10-year median of 4.93. Over the past 10 years, this metric has ranged from a low of 4.27 to a high of 11.94. The Education industry median Days Inventory is 7.99. SISB PCL's value of 4.27 is 46.6% below this industry median. Based on the distribution chart, SISB PCL ranks #60 out of 156 companies in the Education industry, which is above the industry midpoint. 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 Days Inventory compare to EDU and TAL?
According to the Education industry distribution chart, SISB PCL ranks #60 out of 156 companies for Days Inventory. This puts SISB PCL in the upper half of its industry. The industry median Days Inventory is 7.99. SISB PCL's value of 4.27 is 46.6% below this benchmark. Historically, SISB PCL's own Days Inventory has ranged from 4.27 to 11.94 over the past decade. While the company's 10-year median is 4.93 vs. the industry median of 7.99, SISB PCL has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Days Inventory for an Education company?
The median Days Inventory among Education companies is 7.99, based on 156 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. SISB PCL's current Days Inventory of 4.27 is 46.6% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on SISB PCL and its competitors. For the Education industry, the median Days Inventory is 7.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SISB PCL's current Days Inventory is 4.27, which is 13% below median its own 10-year median of 4.93. 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 ฿9.65 — trading 72.4% below its estimated fair value. The current Days Inventory is 4.27, which is 13% below median its 10-year median of 4.93 and 46.6% below the Education industry median of 7.99. 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 Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For SISB PCL (BKK:SISB), the current Days Inventory is 4.27 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 ฿9.65 is trading 72.4% below its estimated GF Value™ of ฿35.01.
GuruFocus considers SISB PCL to be Significantly Undervalued.
Key valuation signals for BKK:SISB:
Days Inventory: 4.27 (13% below median its 10-year median of 4.93)
GF Value™: ฿35.01 vs. price of ฿9.65 (72.4% below fair value)
Industry Position: 46.6% below the Education median (#60 of 156)
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 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
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