Tempest Security AB (OSTO:TSEC) Change In Inventory: kr0.5 Mil (TTM As of Dec. 2025)

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.

OSTO:TSEC Tempest Security AB OSTO:TSEC
71 GF Score
Price kr11.10
GF Value kr18.17
Valuation Possible Value Trap
! 4 Warning Signs
View Full Analysis

What is Tempest Security AB Change In Inventory?

Tempest Security AB OSTO:TSEC -4.31% 71 Change In Inventory is kr0.5 Mil as of Dec. 2025. GuruFocus rates OSTO:TSEC with a GF Score™ of 71/100 and a GF Value™ of kr18.17 (Possible Value Trap). The stock has 4 warning signs investors should review.

Tempest Security AB's change in inventory for the quarter that ended in Dec. 2025 was kr0.1 Mil. It means Tempest Security AB's inventory declined by kr0.1 Mil from Sep. 2025 to Dec. 2025 .

Tempest Security AB's change in inventory for the fiscal year that ended in Dec. 2025 was kr0.5 Mil. It means Tempest Security AB's inventory declined by kr0.5 Mil from Dec. 2024 to Dec. 2025 .

Tempest Security AB's Total Inventories for the quarter that ended in Dec. 2025 was kr0.5 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Tempest Security AB's Days Inventory for the quarter that ended in Dec. 2025 was 5.11.

Inventory Turnover measures how fast the company turns over its inventory within a year. Tempest Security AB's Inventory Turnover for the quarter that ended in Dec. 2025 was 17.86.

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. Tempest Security AB's Inventory-to-Revenue for the quarter that ended in Dec. 2025 was 0.00.


Tempest Security AB  (OSTO:TSEC) Change In Inventory Explanation

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

Tempest Security AB's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=0.5995/10.707*365 / 4
=5.11

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

Tempest Security AB's Inventory Turnover for the quarter that ended in Dec. 2025 is calculated as

3. 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.

Tempest Security AB's Inventory to Revenue for the quarter that ended in Dec. 2025 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.


Tempest Security AB Change In Inventory Related Terms


Tempest Security AB Change In Inventory Historical Data

* Premium members only.

The historical data trend for Tempest Security AB's Change In 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.

Tempest Security AB Change In Inventory Chart

Tempest Security AB Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.26 0.02 -0.83 0.46

Tempest Security AB Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Change In 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 -0.13 0.15 0.03 0.14 0.14
OSTO:TSEC
71GF Score
Tempest Security AB OSTO:TSEC
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tempest Security AB Change In Inventory Calculation

Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.

Change In Inventory for the trailing twelve months (TTM) ended in Dec. 2025 adds up the quarterly data reported by the company within the most recent 12 months, which was kr0.5 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 Change In Inventory →
What does a Change In Inventory of kr0.5 Mil mean?
Tempest Security AB (OSTO:TSEC) has a Change In Inventory of kr0.5 Mil as of Dec. 2025. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Tempest Security AB and its competitors.
Is Tempest Security AB's Change In Inventory too high?
Tempest Security AB's current Change In Inventory is kr0.5 Mil. Overall, Tempest Security AB has a GF Score™ of 71/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Tempest Security AB's Change In Inventory compare to ALLE and MSA?
Tempest Security AB's Change In Inventory of kr0.5 Mil can be compared against companies in the Business Services industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for a Business Services company?
A good Change In Inventory depends on the Business Services industry context. However, Change In Inventory 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 Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Tempest Security AB and its competitors. Tempest Security AB's current Change In Inventory is kr0.5 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tempest Security AB stock overvalued right now?
Based on GuruFocus' analysis, Tempest Security AB (OSTO:TSEC) is currently considered Possible Value Trap. The stock's GF Value™ is kr18.17, compared to a current price of kr11.10 — trading 38.9% below its estimated fair value. The current Change In Inventory is kr0.5 Mil. Tempest Security AB's overall GF Score™ is 71/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For Tempest Security AB (OSTO:TSEC), the current Change In Inventory is kr0.5 Mil as of Dec. 2025. 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 Tempest Security AB (OSTO:TSEC) Overvalued in 2026?

Based on GuruFocus' analysis, Tempest Security AB stock appears to be undervalued. The current stock price of kr11.10 is trading 38.9% below its estimated GF Value™ of kr18.17. GuruFocus considers Tempest Security AB to be Possible Value Trap.

Key valuation signals for OSTO:TSEC:

  • Change In Inventory: kr0.5 Mil
  • GF Value™: kr18.17 vs. price of kr11.10 (38.9% below fair value)
  • GF Score™: 71/100 with 4 warning signs

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


Tempest Security AB Business Description

Address Ralambsvagen 17, 18th Floor, Stockholm, SWE, 112 59
Tempest Security AB provides solutions for security, protection, and service. The company has two segments: Security Solutions and Risk Solutions. The company gains the majority of revenue from Security Solutions, where it provides security guards, orderlies, and shop control. Risk Solutions includes Consulting, training, personal protection, and other specialized services. Geographically, the business activities function through the regions of Sweden, Denmark, and the United Kingdom.
71GF Score

Get the complete analysis for OSTO:TSEC

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

kr11.10
Price
kr18.17
GF Value