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.

What symbol and exchange does Costar Group shares trade?

Costar Group trades on the NASDAQ stock market under the symbol CSGP.

What is Costar Group stock price doing today?

As of November 2, 2026, CSGP stock price climbed to $31.82 with 4,911,084 million shares trading.

What is Costar Group's Beta?

CSGP has a beta of 0.08, meaning it tends to be less sensitive to market movements. CSGP has a correlation of 0.00 to the broad based SPY ETF.

How much is Costar Group worth?

CSGP has a market cap of $12.80 billion. This is considered a Large Cap stock.

How much money does Costar Group make?

Last quarter Costar Group reported $952 million in Revenue and $.38 earnings per share. This fell short of revenue expectation by $-6 million and exceeded earnings estimates by $.05.

What is the highest and lowest price Costar Group traded in the last 3 year period?

In the last 3 years, CSGP traded as high as $100.38 and as low as $25.89.

What are the top ETFs holding Costar Group?

The top ETF exchange traded funds that CSGP belongs to (by Net Assets): VNQ, VTI, VOO, AKRE, VB.

Is Costar Group (CSGP) a good investment?

CSGP has underperformed the market in the last year with a price return of -54.3% while the SPY ETF gained +11.7%. However, in the short term, CSGP had mixed performance relative to the market. It has outperformed in the last 3 months, returning +8.0% vs +1.7% return in SPY. But in the last 2 weeks, CSGP shares have been beat by the market, returning -1.5% compared to an SPY return of -1.5%.

What are the support and resistance levels for Costar Group (CSGP)?

CSGP support price is $29.25 and resistance is $31.09 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that CSGP shares will trade within this expected range on the day.