CoStar Group (MIL:1CSGP) Momentum Rank: 0 (As of Aug. 12, 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
58 GF Score
Price €26.92
GF Value €88.95
Valuation Significantly Undervalued
! 2 Warning Signs
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What is CoStar Group Momentum Rank?

CoStar Group has the Momentum Rank of 0.

Momentum Rank measures the strength and persistence of a stock's price movement over time, rated on a scale of 1 to 10.

For Momentum Rank, we considered the residual momentum concept that was widely studied by Blitz and his colleagues as well as by Nobel Prize laureates Fama and French. However, we did not find any significant differences in the performances of stocks with different ranks of residual momentum. Therefore, we use traditional momentum instead.

Momentum Rank is determined using the standardized momentum ratio and other momentum indicators. The standardized momentum ratio is the average of the performances from 12 months ago to 1 month ago and 6 months ago to 1 month ago, divided by the beta of the stock over the past 12 months. To calculate the momentum ratio today, we would use the average of the two performance numbers.

For momentum, we found that stock price performance does not have a monotonic correlation with the momentum ratio. The stocks with the highest momentum ratios perform worse than those at about the 70th percentile. Therefore, for the momentum rank, we ranked the stocks at about the 70th percentile of the momentum ratio as the highest at 10.

A higher score reflects strong price momentum and indicates greater potential for superior performance. Conversely, a lower score indicates that momentum is either too high or too low, and stocks tend to underperform.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.

CoStar Group Momentum Rank Related Terms

MIL:1CSGP
58GF Score
CoStar Group Inc MIL:1CSGP
Momentum Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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Is CoStar Group (MIL:1CSGP) Overvalued in 2026?

Based on GuruFocus' analysis, CoStar Group stock appears to be undervalued. The current stock price of €26.92 is trading 69.7% below its estimated GF Value™ of €88.95. GuruFocus considers CoStar Group to be Significantly Undervalued.

Key valuation signals for MIL:1CSGP:

  • Momentum Rank: 0
  • GF Value™: €88.95 vs. price of €26.92 (69.7% below fair value)
  • GF Score™: 58/100 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.
58GF Score

Get the complete analysis for MIL:1CSGP

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

€26.92
Price
€88.95
GF Value