CoStar Group (MIL:1CSGP) 3-Year Sharpe Ratio: N/A (As of Sep. 01, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

MIL:1CSGP CoStar Group Inc MIL:1CSGP
57 GF Score
Price €27.52
GF Value €89.00
Valuation Significantly Undervalued
! 2 Warning Signs
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What is CoStar Group 3-Year Sharpe Ratio?

The 3-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk over the past three years. As of today (2026-09-01), CoStar Group's 3-Year Sharpe Ratio is Not available.

CoStar Group  (MIL:1CSGP) 3-Year Sharpe Ratio Explanation

The 3-Year Sharpe Ratio inidicates the risk-adjusted return of an investment over the past three years. It is calculated as the annualized result of the average three-year monthly excess returns divided by its standard deviation in the three-year period. The monthly excess return is the monthly investment return minus the monthly risk-free rate (typically the 10-year Treasury Constant Maturity Rate). If the risk-free rate for a specific region is not available, U.S. data is used by default.

The greater a portfolio's Sharpe Ratio, the better its risk-adjusted performance. A negative Sharpe Ratio means the risk-free rate is greater than the portfolio’s historical or projected return, or else the portfolio's return is expected to be negative.

CoStar Group 3-Year Sharpe Ratio Related Terms

MIL:1CSGP vs JLL, COMP, BEKE: 3-Year Sharpe Ratio Comparison

For the Real Estate Services subindustry, CoStar Group's 3-Year Sharpe Ratio, along with its competitors' market caps and 3-Year Sharpe Ratio 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 3-Year Sharpe Ratio vs Real Estate Industry

For the Real Estate industry and Real Estate sector, CoStar Group's 3-Year Sharpe Ratio distribution charts can be found below:

* The bar in red indicates where CoStar Group's 3-Year Sharpe Ratio falls into.


MIL:1CSGP
57GF Score
CoStar Group Inc MIL:1CSGP
3-Year Sharpe Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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CoStar Group 3-Year Sharpe Ratio Calculation

The 3-Year Sharpe Ratio measures the performance of an investment such as a stock or portfolio compared to a risk-free asset in the last three years. A stock / portfolio's 3-Year Sharpe Ratio can be calculated by dividing the difference between the three-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the investment returns over the past three years.

Is CoStar Group (MIL:1CSGP) Overvalued in 2026?

Based on GuruFocus' analysis, CoStar Group stock appears to be undervalued. The current stock price of €27.52 is trading 69.1% below its estimated GF Value™ of €89.00. GuruFocus considers CoStar Group to be Significantly Undervalued.

Key valuation signals for MIL:1CSGP:

  • 3-Year Sharpe Ratio: N/A
  • GF Value™: €89.00 vs. price of €27.52 (69.1% below fair value)
  • GF Score™: 57/100 with 2 warning signs

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.
57GF Score

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3-Year Sharpe Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€27.52
Price
€89.00
GF Value