CoStar Group (MIL:1CSGP) Days Inventory: 0.00 (As of Mar. 2026)


MIL:1CSGP CoStar Group Inc MIL:1CSGP
56 GF Score
Price €26.90
GF Value €90.73
Valuation Significantly Undervalued
! 1 Warning Sign
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What is CoStar Group Days Inventory?

CoStar Group MIL:1CSGP 56 Days Inventory is 0.00 as of Mar. 2026. GuruFocus rates MIL:1CSGP with a GF Score™ of 56/100 and a GF Value™ of €90.73 (Significantly Undervalued). The stock has 1 warning sign investors should review. Among 1,316 Real Estate companies, CoStar Group ranks worse than 75987.77% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). CoStar Group's Average Total Inventories for the three months ended in Mar. 2026 was €0 Mil. CoStar Group's Cost of Goods Sold for the three months ended in Mar. 2026 was €170 Mil. Hence, CoStar Group's Days Inventory for the three months ended in Mar. 2026 was 0.00.

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

MIL:1CSGP's Days Inventory is not ranked *
in the Real Estate industry.
Industry Median: 697.695
* Ranked among companies with meaningful Days Inventory only.

CoStar Group's Days Inventory stayed the same from Mar. 2025 (0.00) to Mar. 2026 (0.00).

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

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. CoStar Group's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.00.


CoStar Group  (MIL:1CSGP) 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.

CoStar Group'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.

CoStar Group'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.


CoStar Group Days Inventory Related Terms


CoStar Group Days Inventory Historical Data

* Premium members only.

The historical data trend for CoStar Group'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.

CoStar Group Days Inventory Chart

CoStar Group 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 0.00 0.00 0.00 0.00 0.00

CoStar Group 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 0.00 0.00 0.00 0.00 0.00

MIL:1CSGP vs JLL, BEKE, COMP: Days Inventory Comparison

For the Real Estate Services subindustry, CoStar Group'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.


CoStar Group Days Inventory vs Real Estate Industry

For the Real Estate industry and Real Estate sector, CoStar Group's Days Inventory distribution charts can be found below:

* The bar in red indicates where CoStar Group's Days Inventory falls into.


MIL:1CSGP
56GF Score
CoStar Group Inc MIL:1CSGP
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

CoStar Group Days Inventory Calculation

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

CoStar Group'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
=( (0 + 0) / 1 ) / 585.844*365
=0 / 585.844*365
=0.00

CoStar Group'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
=( (0 + 0) / 1 ) / 169.54*365 / 4
=0 / 169.54*365 / 4
=0.00

* 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?
CoStar Group (MIL:1CSGP) has a Days Inventory of 0.00 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on CoStar Group and its competitors. According to the industry distribution chart, CoStar Group ranks #999999 out of 1316 companies in the Real Estate industry.
Is CoStar Group's Days Inventory too high?
CoStar Group's current Days Inventory is 0.00. Based on the distribution chart, CoStar Group ranks #999999 out of 1316 companies in the Real Estate industry, which is in the bottom quartile relative to peers. Overall, CoStar Group has a GF Score™ of 56/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does CoStar Group's Days Inventory compare to JLL and BEKE?
According to the Real Estate industry distribution chart, CoStar Group ranks #999999 out of 1316 companies for Days Inventory. This places CoStar Group in the lower half of its industry. The industry median Days Inventory is 697.70. 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 Real Estate company?
The median Days Inventory among Real Estate companies is 697.70, based on 1,316 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 CoStar Group and its competitors. For the Real Estate industry, the median Days Inventory is 697.70 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. CoStar Group'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 CoStar Group stock overvalued right now?
Based on GuruFocus' analysis, CoStar Group (MIL:1CSGP) is currently considered Significantly Undervalued. The stock's GF Value™ is €90.73, compared to a current price of €26.90 — trading 70.4% below its estimated fair value. The current Days Inventory is 0.00. CoStar Group's overall GF Score™ is 56/100 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 CoStar Group (MIL:1CSGP), the current Days Inventory is 0.00 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 CoStar Group (MIL:1CSGP) Overvalued in 2026?

Based on GuruFocus' analysis, CoStar Group stock appears to be undervalued. The current stock price of €26.90 is trading 70.4% below its estimated GF Value™ of €90.73. GuruFocus considers CoStar Group to be Significantly Undervalued.

Key valuation signals for MIL:1CSGP:

  • Days Inventory: 0.00
  • GF Value™: €90.73 vs. price of €26.90 (70.4% below fair value)
  • GF Score™: 56/100 with 1 warning sign

No single metric tells the full story. See the MIL:1CSGP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


CoStar Group Business Description

Address 1201 Wilson Boulevard, Arlington, VA, USA, 22209
CoStar Group is a global provider of proprietary information, analytics, and online marketplaces serving both commercial and residential real estate. The firm operates through a diverse portfolio of brands, including CoStar Suite for commercial real estate research, LoopNet for commercial listings, Apartments.com for multifamily rentals, and Homes.com for residential brokerage. It primarily sells high-margin software-as-a-service subscriptions that provide institutional clients with forensic property data and premium advertising visibility. With operations across North America, Europe, and Asia-Pacific, CoStar maintains the industry's most comprehensive centralized real estate database, functioning as a critical information utility for brokers, lenders, and owners worldwide.
56GF Score

Get the complete analysis for MIL:1CSGP

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

€26.90
Price
€90.73
GF Value