Thessaloniki Port Authority (ATH:OLTH) Days Inventory: 43.21 (As of Dec. 2025) — 114% Above Median


ATH:OLTH Thessaloniki Port Authority SA ATH:OLTH
88 GF Score
Price €39.00
GF Value €31.53
Valuation Modestly Overvalued
! 4 Warning Signs
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What is Thessaloniki Port Authority Days Inventory?

Thessaloniki Port Authority ATH:OLTH -1.27% 88 Days Inventory is 43.21 as of Dec. 2025, which is 114% above its 10-year median of 20.15. GuruFocus rates ATH:OLTH with a GF Score™ of 88/100 and a GF Value™ of €31.53 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 796 Transportation companies, Thessaloniki Port Authority ranks worse than 79.4% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Thessaloniki Port Authority's Average Total Inventories for the six months ended in Dec. 2025 was €6.8 Mil. Thessaloniki Port Authority's Cost of Goods Sold for the six months ended in Dec. 2025 was €28.9 Mil. Hence, Thessaloniki Port Authority's Days Inventory for the six months ended in Dec. 2025 was 43.21.

The historical rank and industry rank for Thessaloniki Port Authority's Days Inventory or its related term are showing as below:

ATH:OLTH' s Days Inventory Range Over the Past 10 Years
Min: 16.29   Med: 20.15   Max: 40.37
Current: 40.17

During the past 13 years, Thessaloniki Port Authority's highest Days Inventory was 40.37. The lowest was 16.29. And the median was 20.15.

ATH:OLTH's Days Inventory is ranked worse than
79.4% of 796 companies
in the Transportation industry
Industry Median: 12.455 vs ATH:OLTH: 40.17

Thessaloniki Port Authority's Days Inventory increased from Dec. 2024 (33.19) to Dec. 2025 (43.21). It might indicate that Thessaloniki Port Authority's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Thessaloniki Port Authority's Inventory Turnover for the six months ended in Dec. 2025 was 4.22.

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. Thessaloniki Port Authority's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.13.


Thessaloniki Port Authority  (ATH:OLTH) 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.

Thessaloniki Port Authority's Inventory Turnover for the six months ended in Dec. 2025 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.

Thessaloniki Port Authority's Inventory to Revenue for the six months 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.


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.


Thessaloniki Port Authority Days Inventory Related Terms


Thessaloniki Port Authority Days Inventory Historical Data

* Premium members only.

The historical data trend for Thessaloniki Port Authority'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.

Thessaloniki Port Authority Days Inventory Chart

Thessaloniki Port Authority Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 16.29 18.44 27.82 32.70 40.37

Thessaloniki Port Authority Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 29.65 32.98 33.19 36.85 43.21

Thessaloniki Port Authority Days Inventory Competitor Comparison

For the Marine Shipping subindustry, Thessaloniki Port Authority'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.


Thessaloniki Port Authority Days Inventory vs Transportation Industry

For the Transportation industry and Industrials sector, Thessaloniki Port Authority's Days Inventory distribution charts can be found below:

* The bar in red indicates where Thessaloniki Port Authority's Days Inventory falls into.


ATH:OLTH
88GF Score
Thessaloniki Port Authority SA ATH:OLTH
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Thessaloniki Port Authority Days Inventory Calculation

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

Thessaloniki Port Authority's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (5.146 + 7.473) / 2 ) / 57.042*365
=6.3095 / 57.042*365
=40.37

Thessaloniki Port Authority's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Jun. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (6.216 + 7.473) / 2 ) / 28.908*365 / 2
=6.8445 / 28.908*365 / 2
=43.21

* 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 43.21 mean?
Thessaloniki Port Authority (ATH:OLTH) has a Days Inventory of 43.21 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Thessaloniki Port Authority and its competitors. This is 114% above median its historical median of 20.15. Over the past decade, Thessaloniki Port Authority's Days Inventory has ranged from 16.29 to 40.37. According to the industry distribution chart, Thessaloniki Port Authority ranks #632 out of 796 companies in the Transportation industry, placing it in the top 79.4%.
Is Thessaloniki Port Authority's Days Inventory too high?
Thessaloniki Port Authority's current Days Inventory of 43.21 is 114% above median its 10-year median of 20.15. Over the past 10 years, this metric has ranged from a low of 16.29 to a high of 40.37. The Transportation industry median Days Inventory is 12.46. Thessaloniki Port Authority's value of 43.21 is 246.9% above this industry median. Based on the distribution chart, Thessaloniki Port Authority ranks #632 out of 796 companies in the Transportation industry, which is in the bottom quartile relative to peers. Overall, Thessaloniki Port Authority has a GF Score™ of 88/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Thessaloniki Port Authority's Days Inventory compare to competitors?
According to the Transportation industry distribution chart, Thessaloniki Port Authority ranks #632 out of 796 companies for Days Inventory. This places Thessaloniki Port Authority in the lower half of its industry. The industry median Days Inventory is 12.46. Thessaloniki Port Authority's value of 43.21 is 246.9% above this benchmark. Historically, Thessaloniki Port Authority's own Days Inventory has ranged from 16.29 to 40.37 over the past decade. While the company's 10-year median is 20.15 vs. the industry median of 12.46, Thessaloniki Port Authority 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 a Transportation company?
The median Days Inventory among Transportation companies is 12.46, based on 796 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. Thessaloniki Port Authority's current Days Inventory of 43.21 is 246.9% 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 Thessaloniki Port Authority and its competitors. For the Transportation industry, the median Days Inventory is 12.46 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thessaloniki Port Authority's current Days Inventory is 43.21, which is 114% above median its own 10-year median of 20.15. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thessaloniki Port Authority stock overvalued right now?
Based on GuruFocus' analysis, Thessaloniki Port Authority (ATH:OLTH) is currently considered Modestly Overvalued. The stock's GF Value™ is €31.53, compared to a current price of €39.00 — trading 23.7% above its estimated fair value. The current Days Inventory is 43.21, which is 114% above median its 10-year median of 20.15 and 246.9% above the Transportation industry median of 12.46. Thessaloniki Port Authority's overall GF Score™ is 88/100 with 4 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 Thessaloniki Port Authority (ATH:OLTH), the current Days Inventory is 43.21 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 Thessaloniki Port Authority (ATH:OLTH) Overvalued in 2026?

Based on GuruFocus' analysis, Thessaloniki Port Authority stock appears to be overvalued. The current stock price of €39.00 is trading 23.7% above its estimated GF Value™ of €31.53. GuruFocus considers Thessaloniki Port Authority to be Modestly Overvalued.

Key valuation signals for ATH:OLTH:

  • Days Inventory: 43.21 (114% above median its 10-year median of 20.15)
  • GF Value™: €31.53 vs. price of €39.00 (23.7% above fair value)
  • GF Score™: 88/100 with 4 warning signs
  • Industry Position: 246.9% above the Transportation median (#632 of 796)

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


Thessaloniki Port Authority Business Description

Other Exchanges 03P:Germany
Address Pier No 1, Port of Thessaloniki, Thessaloniki, GRC, 54625
Thessaloniki Port Authority SA operates in the sector of auxiliary activities related to transportation, providing services at the Port of Thessaloniki, including loading and unloading of cargo, storage, port services and passenger traffic. Its business activities include services for unitized cargoes (containers), conventional cargoes (bulk, general and RO-RO), coastal and cruise passengers, vessels (anchoring, mooring, berthing and other services), users of port and non-port facilities including car parking operations, and intermodal transport services (dry-port) through the Company and its subsidiary ThPA Sofia EAD. The Company's operating segments are Container Terminal, Conventional Cargo, Passenger Traffic, Exploitation of Sites and Intermodal.
88GF Score

Get the complete analysis for ATH:OLTH

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

€39.00
Price
€31.53
GF Value