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CoStar Group, Inc. (CSGP)

Real Estate | Real Estate Services | Arlington, United States | NasdaqGS
40.06 USD +0.34 (0.856%) ⇧ (April 20, 2026, 4 p.m. EDT)

Short-term: ★☆☆☆☆ | Long-term: ★★☆☆☆ | Dividends: ☆☆☆☆☆
Hot Take | April 18, 2026, 11:11 p.m. EDT

CSGP is a bearish value trap with deteriorating fundamentals and a clear short-term sell signal. Despite strong recent revenue growth, earnings have crashed 26% YoY, resulting in a rotting stock price and a model predicting a nearly 5.5% decline over the next 45 days. The options market is shouting 'down' with heavy put volume at lower strikes, while the company's $0.8M market cap and recent Third Point exit suggest beaten-down conditions that offer limited immediate upside.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoTheta ✓0.355682
AutoETS0.380902
AutoARIMA0.381030
MSTL0.385353

Forecast horizon: 45 days | Selected: AutoTheta

Forecast Reliability
Score 36%
H-stat 3.37
Ljung-Box p 0.000
Jarque-Bera p 0.015
Excess Kurtosis 0.97
Attribute Value
Sector Real Estate
Debt to Equity Ratio 13.666
Revenue per Share 7.79
Market Cap 16,978,340,864
Trailing P/E 2003.00
Forward P/E 22.50
Beta 0.92
Profit Margins 0.22%
Website https://www.costargroup.com

As of April 18, 2026, 11:11 p.m. EDT: Speculators are fading the stock, positioning for significant downside via heavy ATM/OTM puts. Key signals include massive net put volume/flush (vol > OI) at the $30 and $35 strikes for May 2026 expirations, indicating aggressive short positioning for a drop. Conversely, call flow is overwhelmingly for profit (OI > Volume) at lower strikes ($40-$60), while ATM call volatility remains elevated but volume is low. This structure suggests a 'short bear' thesis where traders are hedging against a continuation of the recent price decline, whereas stop-loss orders or short squeezes are muted due to low call buying volume.


Info Dump

Attribute Value
52 Week Change -0.50463706
Address1 1,201 Wilson Blvd
All Time High 101.05
All Time Low 0.55
Ask 42.88
Ask Size 2
Audit Risk 1
Average Analyst Rating 1.8 - Buy
Average Daily Volume10 Day 6,117,470
Average Daily Volume3 Month 6,732,422
Average Volume 6,732,422
Average Volume10Days 6,117,470
Beta 0.92
Bid 37.1
Bid Size 2
Board Risk 1
Book Value 19.943
City Arlington
Compensation As Of Epoch Date 1,735,603,200
Compensation Risk 9
Country United States
Crypto Tradeable 0
Currency USD
Current Price 40.06
Current Ratio 2.84
Custom Price Alert Confidence HIGH
Date Short Interest 1,774,915,200
Day High 40.32
Day Low 39.355
Debt To Equity 13.666
Display Name CoStar
Earnings Call Timestamp End 1,777,410,000
Earnings Call Timestamp Start 1,777,410,000
Earnings Growth -0.259
Earnings Quarterly Growth -0.226
Earnings Timestamp 1,777,406,400
Earnings Timestamp End 1,777,406,400
Earnings Timestamp Start 1,777,406,400
Ebitda 209,000,000
Ebitda Margins 0.06437
Enterprise To Ebitda 78.301
Enterprise To Revenue 5.04
Enterprise Value 16,364,919,808
Eps Current Year 1.31171
Eps Forward 1.78019
Eps Trailing Twelve Months 0.02
Esg Populated 0
Exchange NMS
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 43.8074
Fifty Day Average Change -3.7473984
Fifty Day Average Change Percent -0.08554259
Fifty Two Week Change Percent -50.463707
Fifty Two Week High 97.43
Fifty Two Week High Change -57.37
Fifty Two Week High Change Percent -0.588833
Fifty Two Week Low 34.75
Fifty Two Week Low Change 5.3100014
Fifty Two Week Low Change Percent 0.15280579
Fifty Two Week Range 34.75 - 97.43
Financial Currency USD
First Trade Date Milliseconds 899,299,800,000
Float Shares 414,461,926
Forward Eps 1.78019
Forward P E 22.503218
Free Cashflow 143,750,000
Full Exchange Name NasdaqGS
Full Time Employees 8,441
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,775,001,600
Gross Margins 0.78873
Gross Profits 2,560,999,936
Has Pre Post Market Data 1
Held Percent Insiders 0.0115600005
Held Percent Institutions 1.0479901
Implied Shares Outstanding 423,822,791
Industry Real Estate Services
Industry Disp Real Estate Services
Industry Key real-estate-services
Ir Website http://www.costar.com/investors.aspx
Is Earnings Date Estimate 0
Language en-US
Last Fiscal Year End 1,767,139,200
Last Split Date 1,624,838,400
Last Split Factor 10:1
Long Business Summary CoStar Group, Inc. provides information, analytics, and online marketplace services to real estate and related business communities in the United States, Australia, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that provides inventory of office, industrial, retail, multifamily, hospitality, and student housing, and land properties; CoStar Leasing, a data on lease transactions and tools to manage user-entered lease data; CoStar Sales, a database of commercial real estate sales transactions; CoStar Owners provides detailed portfolio information; CoStar Markets to view and report on market and submarket trends; and CoStar Tenant that provides tenant information. The company also provides hospitality benchmarking that allows hotels to measure performance against competitors; Debt Solutions, a tool for lenders to manage loan portfolios and risk; and real estate and lease management technology solutions, such as lease administration, lease accounting, and transaction management services. In addition, it offers Apartamentos.com, an apartment marketing sites; LoopNet.com, a commercial property marketing sites; Homes.com, a home for sale listings site; Ten-X, an online auction platform for commercial real estate; Land.com, a marketplace for rural land sales; and BizBuySell.com, a marketplace for operating businesses and franchises for sale. It serves sales, leasing, and mortgage brokers; property, real estate investment trust, insurance companies, and asset managers; and government agencies, property owners, mortgage-backed security issuers, appraisers, design and construction professionals, pension fund managers, real estate developers, reporters tenant vendors, bankers, building services vendors, mortgage bankers, communications providers, retailers, institutional advisors, hospitality owners, investors, and real estate agents. The company was founded in 1986 and is headquartered in Arlington, Virginia.
Long Name CoStar Group, Inc.
Market us_market
Market Cap 16,978,340,864
Market State PRE
Max Age 86,400
Message Board Id finmb_387127
Most Recent Quarter 1,767,139,200
Net Income To Common 7,000,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 16,816,919,638
Number Of Analyst Opinions 19
Open 39.66
Operating Cashflow 430,000,000
Operating Margins 0.05501
Overall Risk 4
Payout Ratio 0.0
Peg Ratio 0.16
Phone 202 346 6500
Pre Market Change 0.0
Pre Market Change Percent 0.0
Pre Market Price 40.06
Pre Market Time 1,776,769,236
Previous Close 39.72
Price Eps Current Year 30.540289
Price Hint 2
Price To Book 2.008725
Price To Sales Trailing12 Months 5.2289314
Profit Margins 0.0021600001
Quick Ratio 2.536
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key buy
Recommendation Mean 1.8
Region US
Regular Market Change 0.34
Regular Market Change Percent 0.855992
Regular Market Day High 40.32
Regular Market Day Low 39.355
Regular Market Day Range 39.355 - 40.32
Regular Market Open 39.66
Regular Market Previous Close 39.72
Regular Market Price 40.06
Regular Market Time 1,776,715,200
Regular Market Volume 3,782,646
Return On Assets -0.00341
Return On Equity 0.00088
Revenue Growth 0.269
Revenue Per Share 7.79
Sand P52 Week Change 0.34445214
Sector Real Estate
Sector Disp Real Estate
Sector Key real-estate
Share Holder Rights Risk 4
Shares Outstanding 419,793,301
Shares Percent Shares Out 0.052399997
Shares Short 21,977,041
Shares Short Previous Month Date 1,772,150,400
Shares Short Prior Month 26,150,995
Short Name CoStar Group, Inc.
Short Percent Of Float 0.0621
Short Ratio 3.78
Source Interval 15
State VA
Symbol CSGP
Target High Price 100.0
Target Low Price 40.0
Target Mean Price 61.42105
Target Median Price 57.0
Total Cash 1,632,999,936
Total Cash Per Share 3.89
Total Debt 1,144,000,000
Total Revenue 3,247,000,064
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps 0.02
Trailing P E 2,003.0001
Trailing Peg Ratio 0.1631
Triggerable 1
Two Hundred Day Average 68.54095
Two Hundred Day Average Change -28.480946
Two Hundred Day Average Change Percent -0.41553184
Type Disp Equity
Volume 3,782,646
Website https://www.costargroup.com
Zip 22,209