STI Education Systems Holdings (PHS:STI) Days Inventory: 40.31 (As of Mar. 2026) — 14% Above Median


PHS:STI STI Education Systems Holdings Inc PHS:STI
98 GF Score
Price ₱1.20
GF Value ₱1.36
Valuation Modestly Undervalued
! 1 Warning Sign
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What is STI Education Systems Holdings Days Inventory?

STI Education Systems Holdings PHS:STI -0.83% 98 Days Inventory is 40.31 as of Mar. 2026, which is 14% above its 10-year median of 35.36. GuruFocus rates PHS:STI with a GF Score™ of 98/100 and a GF Value™ of ₱1.36 (Modestly Undervalued). The stock has 1 warning sign investors should review. Among 156 Education companies, STI Education Systems Holdings ranks worse than 75% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). STI Education Systems Holdings's Average Total Inventories for the three months ended in Mar. 2026 was ₱159 Mil. STI Education Systems Holdings's Cost of Goods Sold for the three months ended in Mar. 2026 was ₱359 Mil. Hence, STI Education Systems Holdings's Days Inventory for the three months ended in Mar. 2026 was 40.31.

The historical rank and industry rank for STI Education Systems Holdings's Days Inventory or its related term are showing as below:

PHS:STI' s Days Inventory Range Over the Past 10 Years
Min: 12.54   Med: 35.36   Max: 44.5
Current: 32.42

During the past 13 years, STI Education Systems Holdings's highest Days Inventory was 44.50. The lowest was 12.54. And the median was 35.36.

PHS:STI's Days Inventory is ranked worse than
75% of 156 companies
in the Education industry
Industry Median: 7.99 vs PHS:STI: 32.42

STI Education Systems Holdings's Days Inventory declined from Mar. 2025 (47.88) to Mar. 2026 (40.31).

Inventory Turnover measures how fast the company turns over its inventory within a year. STI Education Systems Holdings's Inventory Turnover for the three months ended in Mar. 2026 was 2.26.

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. STI Education Systems Holdings's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.12.


STI Education Systems Holdings  (PHS:STI) 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.

STI Education Systems Holdings'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.

STI Education Systems Holdings'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.


STI Education Systems Holdings Days Inventory Related Terms


STI Education Systems Holdings Days Inventory Historical Data

* Premium members only.

The historical data trend for STI Education Systems Holdings'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.

STI Education Systems Holdings Days Inventory Chart

STI Education Systems Holdings Annual Data
Trend Mar16 Mar17 Mar18 Mar19 Mar20 Mar21 Jun22 Jun23 Jun24 Jun25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 35.93 44.50 34.78 27.70 29.55

STI Education Systems Holdings Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Days Inventory 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 47.88 28.85 30.02 31.37 40.31

PHS:STI vs EDU, TAL, LAUR: Days Inventory Comparison

For the Education & Training Services subindustry, STI Education Systems Holdings'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.


STI Education Systems Holdings Days Inventory vs Education Industry

For the Education industry and Consumer Defensive sector, STI Education Systems Holdings's Days Inventory distribution charts can be found below:

* The bar in red indicates where STI Education Systems Holdings's Days Inventory falls into.


PHS:STI
98GF Score
STI Education Systems Holdings Inc PHS:STI
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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STI Education Systems Holdings Days Inventory Calculation

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

STI Education Systems Holdings's Days Inventory for the fiscal year that ended in Jun. 2025 is calculated as

Days Inventory (A: Jun. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Jun. 2024 ) + Total Inventories (A: Jun. 2025 )) / count ) / Cost of Goods Sold (A: Jun. 2025 )*Days in Period
=( (157.14 + 169.265) / 2 ) / 2016.116*365
=163.2025 / 2016.116*365
=29.55

STI Education Systems Holdings's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (157.075 + 160.484) / 2 ) / 359.449*365 / 4
=158.7795 / 359.449*365 / 4
=40.31

* 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 Days Inventory →
What does a Days Inventory of 40.31 mean?
STI Education Systems Holdings (PHS:STI) has a Days Inventory of 40.31 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on STI Education Systems Holdings and its competitors. This is 14% above median its historical median of 35.36. Over the past decade, STI Education Systems Holdings' Days Inventory has ranged from 12.54 to 44.50. According to the industry distribution chart, STI Education Systems Holdings ranks #117 out of 156 companies in the Education industry, placing it in the top 75%.
Is STI Education Systems Holdings' Days Inventory too high?
STI Education Systems Holdings' current Days Inventory of 40.31 is 14% above median its 10-year median of 35.36. Over the past 10 years, this metric has ranged from a low of 12.54 to a high of 44.50. The Education industry median Days Inventory is 7.99. STI Education Systems Holdings' value of 40.31 is 404.5% above this industry median. Based on the distribution chart, STI Education Systems Holdings ranks #117 out of 156 companies in the Education industry, which is below the industry midpoint. Overall, STI Education Systems Holdings has a GF Score™ of 98/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does STI Education Systems Holdings' Days Inventory compare to EDU and TAL?
According to the Education industry distribution chart, STI Education Systems Holdings ranks #117 out of 156 companies for Days Inventory. This places STI Education Systems Holdings in the lower half of its industry. The industry median Days Inventory is 7.99. STI Education Systems Holdings' value of 40.31 is 404.5% above this benchmark. Historically, STI Education Systems Holdings' own Days Inventory has ranged from 12.54 to 44.50 over the past decade. While the company's 10-year median is 35.36 vs. the industry median of 7.99, STI Education Systems Holdings has consistently been above 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. STI Education Systems Holdings's current Days Inventory of 40.31 is 404.5% above 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 STI Education Systems Holdings 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. STI Education Systems Holdings's current Days Inventory is 40.31, which is 14% above median its own 10-year median of 35.36. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is STI Education Systems Holdings stock overvalued right now?
Based on GuruFocus' analysis, STI Education Systems Holdings (PHS:STI) is currently considered Modestly Undervalued. The stock's GF Value™ is ₱1.36, compared to a current price of ₱1.20 — trading 11.8% below its estimated fair value. The current Days Inventory is 40.31, which is 14% above median its 10-year median of 35.36 and 404.5% above the Education industry median of 7.99. STI Education Systems Holdings' overall GF Score™ is 98/100 with 1 warning sign 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 STI Education Systems Holdings (PHS:STI), the current Days Inventory is 40.31 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 STI Education Systems Holdings (PHS:STI) Overvalued in 2026?

Based on GuruFocus' analysis, STI Education Systems Holdings stock appears to be undervalued. The current stock price of ₱1.20 is trading 11.8% below its estimated GF Value™ of ₱1.36. GuruFocus considers STI Education Systems Holdings to be Modestly Undervalued.

Key valuation signals for PHS:STI:

  • Days Inventory: 40.31 (14% above median its 10-year median of 35.36)
  • GF Value™: ₱1.36 vs. price of ₱1.20 (11.8% below fair value)
  • GF Score™: 98/100 with 1 warning sign
  • Industry Position: 404.5% above the Education median (#117 of 156)

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


STI Education Systems Holdings Business Description

Address 6764 Ayala Avenue, 7th Floor, STI Holdings Center, Makati, PHL, 1226
STI Education Systems Holdings Inc is a Philippine investment holding company focused on education and education-related activities through subsidiaries that operate schools offering basic education, Senior High School, tertiary, post-graduate, and non-degree programs. The majority of its revenues come from educational services provided over time. It is organized into five geographical segments: Metro Manila, Northern Luzon, Southern Luzon, Visayas, and Mindanao, with the majority of revenue coming from Metro Manila.
98GF Score

Get the complete analysis for PHS:STI

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

₱1.20
Price
₱1.36
GF Value