PORR AG (STU:ABS2) Days Inventory: 0.00 (As of Jun. 2026)

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STU:ABS2 PORR AG STU:ABS2
65 GF Score
Price €38.45
GF Value €14.32
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is PORR AG Days Inventory?

PORR AG STU:ABS2 +0.39% 65 Days Inventory is 0.00 as of Jun. 2026. GuruFocus rates STU:ABS2 with a GF Score™ of 65/100 and a GF Value™ of €14.32 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 1,494 Construction companies, PORR AG ranks better than 76.57% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). PORR AG's Average Total Inventories for the three months ended in Jun. 2026 was €128 Mil. PORR AG's Cost of Goods Sold for the three months ended in Jun. 2026 was €0 Mil.

The historical rank and industry rank for PORR AG's Days Inventory or its related term are showing as below:

STU:ABS2' s Days Inventory Range Over the Past 10 Years
Min: 6.77   Med: 8.64   Max: 10.95
Current: 10.95

During the past 13 years, PORR AG's highest Days Inventory was 10.95. The lowest was 6.77. And the median was 8.64.

STU:ABS2's Days Inventory is ranked better than
76.57% of 1494 companies
in the Construction industry
Industry Median: 49.85 vs STU:ABS2: 10.95

PORR AG's Days Inventory declined from Mar. 2025 (11.90) to Jun. 2026 (0.00).

Inventory Turnover measures how fast the company turns over its inventory within a year. PORR AG's Inventory Turnover for the three months ended in Jun. 2026 was 0.00.

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.


PORR AG  (STU:ABS2) 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.

PORR AG's Inventory Turnover for the three months ended in Jun. 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.

PORR AG's Inventory to Revenue for the three months ended in Jun. 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.


PORR AG Days Inventory Related Terms


PORR AG Days Inventory Historical Data

* Premium members only.

The historical data trend for PORR AG'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.

PORR AG Days Inventory Chart

PORR AG 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 8.63 9.36 10.10 9.47 9.44

PORR AG Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Jun26
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 11.90 9.34 10.05 9.85 0.00

STU:ABS2 vs PWR, FIX, EME: Days Inventory Comparison

For the Engineering & Construction subindustry, PORR AG'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.


PORR AG Days Inventory vs Construction Industry

For the Construction industry and Industrials sector, PORR AG's Days Inventory distribution charts can be found below:

* The bar in red indicates where PORR AG's Days Inventory falls into.


STU:ABS2
65GF Score
PORR AG STU:ABS2
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

PORR AG Days Inventory Calculation

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

PORR AG'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
=( (98.793 + 114.972) / 2 ) / 4131.606*365
=106.8825 / 4131.606*365
=9.44

PORR AG's Days Inventory for the quarter that ended in Jun. 2026 is calculated as:

Days Inventory (Q: Jun. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Jun. 2026 )) / count ) / Cost of Goods Sold (Q: Jun. 2026 )*Days in Period
=( (114.972 + 140.031) / 2 ) / 0*365 / 4
=127.5015 / 0*365 / 4
=N/A

* 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 0.00 mean?
PORR AG (STU:ABS2) has a Days Inventory of 0.00 as of Jun. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on PORR AG and its competitors. Over the past decade, PORR AG's Days Inventory has ranged from 6.77 to 10.95. According to the industry distribution chart, PORR AG ranks #350 out of 1494 companies in the Construction industry, placing it in the top 23.4%.
Is PORR AG's Days Inventory too high?
PORR AG's current Days Inventory is 0.00. Over the past 10 years, this metric has ranged from a low of 6.77 to a high of 10.95. Based on the distribution chart, PORR AG ranks #350 out of 1494 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, PORR AG has a GF Score™ of 65/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does PORR AG's Days Inventory compare to PWR and FIX?
According to the Construction industry distribution chart, PORR AG ranks #350 out of 1494 companies for Days Inventory. This places PORR AG in the top 23% of its industry — outperforming the majority of peers. The industry median Days Inventory is 49.85. Historically, PORR AG's own Days Inventory has ranged from 6.77 to 10.95 over the past decade. 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 Construction company?
The median Days Inventory among Construction companies is 49.85, based on 1,494 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. 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 PORR AG and its competitors. For the Construction industry, the median Days Inventory is 49.85 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. PORR AG's current Days Inventory is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PORR AG stock overvalued right now?
Based on GuruFocus' analysis, PORR AG (STU:ABS2) is currently considered Significantly Overvalued. The stock's GF Value™ is €14.32, compared to a current price of €38.45 — trading 168.5% above its estimated fair value. The current Days Inventory is 0.00. PORR AG's overall GF Score™ is 65/100 with 3 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 PORR AG (STU:ABS2), the current Days Inventory is 0.00 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 PORR AG (STU:ABS2) Overvalued in 2026?

Based on GuruFocus' analysis, PORR AG stock appears to be overvalued. The current stock price of €38.45 is trading 168.5% above its estimated GF Value™ of €14.32. GuruFocus considers PORR AG to be Significantly Overvalued.

Key valuation signals for STU:ABS2:

  • Days Inventory: 0.00
  • GF Value™: €14.32 vs. price of €38.45 (168.5% above fair value)
  • GF Score™: 65/100 with 3 warning signs

No single metric tells the full story. See the STU:ABS2 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


PORR AG Business Description

Address Absberggasse 47, Vienna, AUT, 1100
PORR AG is an Austria-based construction company specializing in complex building and civil engineering projects. It operates across Austria, Germany, Switzerland, Poland, the Czech Republic, Slovakia, and Romania. Its segments include AT/CH (Austria and Switzerland), DE (Germany construction and investments), PL (Poland), CEE (Czech Republic, Slovakia, Romania), and Infrastructure International (tunneling, rail, specialist engineering). Non-operational functions, including the Shared Service Center, are managed under the Holding segment. The firm generates key revenue from AT/CH segment.
65GF Score

Get the complete analysis for STU:ABS2

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

€38.45
Price
€14.32
GF Value