CoStar Group (CSGP) Stock Analysis: AI Score & Alternative Data
CSGP alt-data: revenue climbing, business outlook lagging
Is CoStar Group a buy right now? The alternative data leans no. This CSGP stock analysis is built on the 25+ alternative data signals AltIndex tracks on CoStar Group every day — hiring, web traffic, sentiment, social reach — rolled into an AI Score of 35/100: a Sell. The stock trades at $29.50 with a $11B market cap.
The 90-day pressure points: business outlook fell 7.9% — now 35% of employees are positive. There are bright spots — revenue up 19.2% YoY to $930M, headcount (according to LinkedIn) up 8.1% to 13K employees, and job postings up 6.0% to 228 open roles — but not enough to offset the broader weakness.
CSGP’s broader alt-data profile also covers web traffic (3.8M monthly visits), Facebook followers (16K), and sentiment (100/100). Every signal links to its own page with full history, the CSGP technical analysis covers RSI, moving averages, and support and resistance, and the full table of everything AltIndex tracks on CSGP is just below.
CoStar Group AI Stock Analysis
CoStar Group, Inc. is a leading provider of commercial real estate information, analytics, and online marketplaces. The company enables clients to market, sell, lease and manage various types of properties through its comprehensive service offerings.
Analysis generated October 3, 2026.
Recent CoStar Group Stock Alerts
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CoStar Group | October 8 Price is up by 6.1% in the last 24h. |
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CoStar Group | September 15 Business Outlook among employees is up by 5.9% over the last month. |
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CoStar Group | September 11 Gilbert Cisneros (member of U.S. congress) is buying shares |
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CoStar Group | August 19 Price is up by 6% in the last 24h. |
CoStar Group Alternative Data
| Alternative Data | Value | 3m Change | Trend |
|---|---|---|---|
| Webpage Traffic | 3.8M | 5.2% | |
| Job Posts | 228 | 6.0% | |
| LinkedIn Employees | 13K | 8.1% | |
| Employee Recommend | 32 | 5.9% | |
| Business Outlook | 35 | 7.9% | |
| Sentiment | 100 | 0% | |
| Reddit Mentions | 0 | N/A | |
| X Mentions | 50 | 614.3% | |
| Stocktwits Mentions | 3 | 50.0% | |
| News Mentions | 3 | N/A | |
| Stocktwits Subscribers | 2K | 6.3% | |
| 4chan Mentions | 0 | N/A | |
| X Followers | 6K | 0.7% | |
| Facebook Followers | 16K | 0.5% | |
| Facebook Engagement | 11 | 57.1% |
About CoStar Group (CSGP)
Founded in 1987, CoStar Group, Inc. is based in the District of Columbia and provides information, analytics, and marketing services to the commercial real estate industry. The company offers its services through three divisions: Information and analytics, Online marketplaces, and Commercial property and land.
| Price | $29.50 |
| Target Price | $387.74 |
| Volume | 63,420,177 |
| Market Cap | $11B |
| Year Range | $27 – $78 |
| Dividend Yield | 0% |
| PE Ratio | 153.5 |
| Analyst Rating | 38% buy |
| Industry | REIT |
Latest CoStar Group News
View more → |
CoStar (CSGP): Residential Strategy Unchanged Despite Persistent Market SkepticismSeptember 16 - Yahoo Entertainment |
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Is Wall Street Bullish or Bearish on CoStar Group Stock?August 19 - Biztoc.com |
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Why Investors Keep Doubting CoStar Group (CSGP)August 14 - Yahoo Entertainment |
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Here’s Why Baron Opportunity Fund Sold CoStar Group (CSGP)August 12 - Yahoo Entertainment |
Here’s Why CoStar Group (CSGP) Faces Slow MomentumJuly 31 - Yahoo Entertainment |
See CoStar Group’s complete price and AI Score history
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Get Started for FREECoStar Group Earnings & Financial Performance
View all earnings →CoStar Group Insider Trading Activity
View all →| Cann Cynthia Cammett filed to sell 18,822 shares at $0.0. Aug 7 '26 |
| Hill John W filed to sell 22,993 shares at $0.0. Aug 5 '26 |
| FLORANCE ANDREW C filed to sell 1,806,165 shares at $0.0. Aug 4 '26 |
| FLORANCE ANDREW C filed to sell 1,722,865 shares at $0.0. May 1 '26 |
| FLORANCE ANDREW C filed to sell 1,719,765 shares at $0.0. May 1 '26 |
CoStar Group Congress Trading
View all →| Politician | Filing Date | Type | Size |
|---|---|---|---|
| Gilbert Cisneros |
Sep 11, 26 | Buy | $8K+ |
| Gilbert Cisneros |
May 11, 26 | Sell | $8K+ |
| Gilbert Cisneros |
Apr 8, 26 | Buy | $8K+ |
| Gilbert Cisneros |
Feb 16, 26 | Buy | $8K+ |
| Gilbert Cisneros |
Jan 13, 26 | Buy | $8K+ |
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Explore CoStar Group Data
Frequently Asked Questions: CoStar Group (CSGP)
CoStar Group has an AltIndex AI Score of 35/100 (Sell). The score reflects negative alternative data signals. All investments carry risk.
35/100. The AI Score combines 25+ alternative data signals including job postings, employee sentiment, social media, web traffic, and financials. Scores above 60 = buy, 40–59 = hold, below 40 = sell. Updated daily.
Currently, the price of one share of CoStar Group (CSGP) stock is $29.50 with a market cap of $11B.
As of today, CoStar Group’s PE (Price to Earnings) ratio is 153.5.
View the latest CoStar Group insider transactions to see recent buying and selling activity by company executives and directors.
Check the CoStar Group congress trading page for the latest disclosed trades by U.S. senators and representatives.
AltIndex tracks 25+ signals including job postings, web traffic, employee sentiment, Reddit mentions, Stocktwits activity, insider transactions, congressional trades, Google Trends, app downloads, and more.
The CSGP stock price chart above shows CoStar Group’s performance over time alongside its AI Score. Investors can identify patterns, trends, and potential support or resistance levels. View the full CoStar Group technical analysis for RSI, moving averages, and more.
See the stocks similar to CoStar Group section on this page for companies in the same industry ranked by market cap and AI Score.
