PORR AGWBO:POS +0.90%60 Days Inventory is 9.85 as of Dec. 2025, which is 14% above its 10-year median of 8.64. GuruFocus rates WBO:POS with a GF Score™ of 60/100 and a GF Value™ of €15.04 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 1,480 Construction companies, PORR AG ranks better than 76.69% 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 Dec. 2025 was €119 Mil. PORR AG's Cost of Goods Sold for the
three
months ended in Dec. 2025 was €1,101 Mil.
Hence, PORR AG's Days Inventory for the
three
months ended in Dec. 2025 was 9.85.
The historical rank and industry rank for PORR AG's Days Inventory or its related term are showing as below:
WBO:POS'
s Days Inventory Range Over the Past 10 Years
Min: 6.77 Med: 8.64 Max: 10.1
Current: 10.02
During the past 13 years, PORR AG's highest Days Inventory was 10.10. The lowest was 6.77. And the median was 8.64.
WBO:POS's Days Inventory is ranked better than 76.69% of 1480
companies
in the Construction industry
Industry Median: 50.465
vs WBO:POS: 10.02
PORR AG's Days Inventory
increased
from Dec. 2024 (9.26) to Dec. 2025 (9.85).
It might indicate that PORR AG's sales slowed down.
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 Dec. 2025 was 9.27.
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 Dec. 2025 was 0.07.
PORR AG (WBO:POS) 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 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.
PORR AG's Inventory to Revenue for the
three
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.
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.
WBO:POS 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.
* 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 (WBO:POS) has a Days Inventory of 9.85 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on PORR AG and its competitors. This is 14% above median its historical median of 8.64. Over the past decade, PORR AG's Days Inventory has ranged from 6.77 to 10.10. According to the industry distribution chart, PORR AG ranks #345 out of 1480 companies in the Construction industry, placing it in the top 23.3%.
Is PORR AG's Days Inventory too high?
PORR AG's current Days Inventory of 9.85 is 14% above median its 10-year median of 8.64. Over the past 10 years, this metric has ranged from a low of 6.77 to a high of 10.10. The Construction industry median Days Inventory is 50.47. PORR AG's value of 9.85 is 80.5% below this industry median. Based on the distribution chart, PORR AG ranks #345 out of 1480 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 60/100 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 #345 out of 1480 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 50.47. PORR AG's value of 9.85 is 80.5% below this benchmark. Historically, PORR AG's own Days Inventory has ranged from 6.77 to 10.10 over the past decade. While the company's 10-year median is 8.64 vs. the industry median of 50.47, PORR AG 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 a Construction company?
The median Days Inventory among Construction companies is 50.47, based on 1,480 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. PORR AG's current Days Inventory of 9.85 is 80.5% 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 PORR AG and its competitors. For the Construction industry, the median Days Inventory is 50.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. PORR AG's current Days Inventory is 9.85, which is 14% above median its own 10-year median of 8.64. 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 (WBO:POS) is currently considered Significantly Overvalued. The stock's GF Value™ is €15.04, compared to a current price of €44.65 — trading 196.9% above its estimated fair value. The current Days Inventory is 9.85, which is 14% above median its 10-year median of 8.64 and 80.5% below the Construction industry median of 50.47. PORR AG's overall GF Score™ is 60/100 with 6 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 (WBO:POS), the current Days Inventory is 9.85 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 PORR AG (WBO:POS) Overvalued in 2026?
Based on GuruFocus' analysis, PORR AG stock appears to be overvalued.
The current stock price of €44.65 is trading 196.9% above its estimated GF Value™ of €15.04.
GuruFocus considers PORR AG to be Significantly Overvalued.
Key valuation signals for WBO:POS:
Days Inventory: 9.85 (14% above median its 10-year median of 8.64)
GF Value™: €15.04 vs. price of €44.65 (196.9% above fair value)
Industry Position: 80.5% below the Construction median (#345 of 1480)
No single metric tells the full story. See the WBO:POS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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.
60GF Score
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