Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. CoStar Group's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was €0 Mil. CoStar Group's average total debt for the quarter that ended in Mar. 2026 was €1,020 Mil. Therefore, CoStar Group's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 0.00%.
CoStar Group (MIL:1CSGP) Effective Interest Rate on Debt % Explanation
Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.
CoStar Group Effective Interest Rate on Debt % Related Terms
CoStar Group Effective Interest Rate on Debt % Historical Data
* Premium members only.
The historical data trend for CoStar Group's Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % Chart
MIL:1CSGP vs JLL, BEKE, COMP: Effective Interest Rate on Debt % Comparison
For the Real Estate Services subindustry, CoStar Group's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % vs Real Estate Industry
For the Real Estate industry and Real Estate sector, CoStar Group's Effective Interest Rate on Debt % distribution charts can be found below:
* The bar in red indicates where CoStar Group's Effective Interest Rate on Debt % 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.
In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data,
the Interest Expense data used here is four times the quarterly (Mar. 2026) interest expense data.
Effective Interest Rate on Debt % is displayed in the 30-year financial page.
What does a Effective Interest Rate on Debt % of 0.00% mean?
CoStar Group (MIL:1CSGP) has a Effective Interest Rate on Debt % of 0.00% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on CoStar Group and its competitors.
Is CoStar Group's Effective Interest Rate on Debt % too high?
CoStar Group's current Effective Interest Rate on Debt % is 0.00%. 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 Effective Interest Rate on Debt % compare to JLL and BEKE?
CoStar Group's Effective Interest Rate on Debt % of 0.00% can be compared against companies in the Real Estate industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Effective Interest Rate on Debt % for a Real Estate company?
A good Effective Interest Rate on Debt % depends on the Real Estate industry context. However, Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on CoStar Group and its competitors. CoStar Group's current Effective Interest Rate on Debt % 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 €89.53, compared to a current price of €26.23 — trading 70.7% below its estimated fair value. The current Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For CoStar Group (MIL:1CSGP), the current Effective Interest Rate on Debt % 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 €26.23 is trading 70.7% below its estimated GF Value™ of €89.53.
GuruFocus considers CoStar Group to be Significantly Undervalued.
Key valuation signals for MIL:1CSGP:
Effective Interest Rate on Debt %: 0.00%
GF Value™: €89.53 vs. price of €26.23 (70.7% below fair value)
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 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
Effective Interest Rate on Debt % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
MIL:1CSGP has been successfully added to your 
