Costar Group (CSGP) closed at $32.01 on October 27, 2026, down 5.0% from the previous close, on volume of 5,995,752 shares (30-day average 5,730,534).
Data as of October 27, 2026.
27-Oct-2026
CoStar Group Posts Record Quarter, Raises 2026 Outlook
TipRanks (Tue, 27-Oct 4:30 PM ET)
CoStar Group to acquire Vexcel Group for $730M
Seeking Alpha News (Tue, 27-Oct 4:18 PM ET)
CoStar Group Non-GAAP EPS of $0.38 beats by $0.04, revenue of $952M misses by $7.39M
Seeking Alpha News (Tue, 27-Oct 4:10 PM ET)
Business Wire (Tue, 27-Oct 4:05 PM ET)
Business Wire (Tue, 27-Oct 4:05 PM ET)
JPMorgan's basket of stocks negatively impacted by higher rates
Seeking Alpha News (Tue, 27-Oct 1:26 PM ET)
Here are the major earnings after the close Tuesday
Seeking Alpha News (Tue, 27-Oct 10:00 AM ET)
CoStar Group Q3 2026 Earnings Preview
Seeking Alpha News (Mon, 26-Oct 5:35 PM ET)
U.S. Retail Asking Rent Growth Decelerated in the Third Quarter of 2026
Business Wire (Mon, 26-Oct 9:00 AM ET)
From worst to first? These battered S&P 500 stocks bounce back
Seeking Alpha News (Mon, 26-Oct 7:49 AM ET)
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.
Costar Group trades on the NASDAQ stock market under the symbol CSGP.
As of October 27, 2026, CSGP stock price declined to $32.01 with 5,995,752 million shares trading.
CSGP has a beta of 0.21, meaning it tends to be less sensitive to market movements. CSGP has a correlation of 0.00 to the broad based SPY ETF.
CSGP has a market cap of $12.97 billion. This is considered a Large Cap stock.
Last quarter Costar Group reported $925 million in Revenue and $.32 earnings per share. This fell short of revenue expectation by $-4 million and exceeded earnings estimates by $.05.
In the last 3 years, CSGP traded as high as $100.38 and as low as $25.89.
The top ETF exchange traded funds that CSGP belongs to (by Net Assets): VNQ, VTI, VOO, AKRE, VB.
CSGP has underperformed the market in the last year with a return of -58.9%, while SPY returned +14.8%. This shows that you would have done better investing in the overall market (through SPY) over the last year than in CSGP shares. However, CSGP has outperformed the market in the last 3 month and 2 week periods, returning +15.7% and +9.6%, while SPY returned +4.4% and -1.1%, respectively. This indicates CSGP has been having a stronger performance recently.
CSGP support price is $32.74 and resistance is $34.66 (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.
