Tearsheet

Investment Highlights Why It Matters Which of these 2 stories sounds closer for this stock?

1. Generates cash flow

The stock generated 4% or more of the share price (called cash flow yield), and shows moderate 10-15% or more growth.

2. Riding a trend

Think Tesla during the pandemic of 2020 when EVs were riding a cultural high, or Nvidia in the current AI boom, or even Figma. These companies don’t have enough yield, or, enough growth, or both - however - they are riding a trend. They have momentum. These can be more volatile - they don’t have the floor of strong cash flow


0 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 15%
Weak multi-year price returns
2Y Excs Rtn is -69%, 3Y Excs Rtn is -92%
Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -81 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -2.7%
1 Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 12%
  Expensive valuation multiples
P/SPrice/Sales ratio is 12x, P/CFOPrice/(Cash Flow from Operations). CFO is cash before capital expenditures. is 98x, P/EPrice/Earnings or Price/(Net Income) is 1745x
2 Low stock price volatility
Vol 12M is 32%
  Not cash flow generative
FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -1.3%
3 Megatrend and thematic drivers
Megatrends include Smart Buildings & Proptech, E-commerce & Digital Retail, and Cloud Computing. Themes include Real Estate Data Analytics, Show more.
  Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -4.1%
0 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 15%
1 Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 12%
2 Low stock price volatility
Vol 12M is 32%
3 Megatrend and thematic drivers
Megatrends include Smart Buildings & Proptech, E-commerce & Digital Retail, and Cloud Computing. Themes include Real Estate Data Analytics, Show more.
4 Weak multi-year price returns
2Y Excs Rtn is -69%, 3Y Excs Rtn is -92%
5 Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -81 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -2.7%
6 Expensive valuation multiples
P/SPrice/Sales ratio is 12x, P/CFOPrice/(Cash Flow from Operations). CFO is cash before capital expenditures. is 98x, P/EPrice/Earnings or Price/(Net Income) is 1745x
7 Not cash flow generative
FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -1.3%
8 Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -4.1%

Valuation, Metrics & Events

CSGP Stock


Why The Stock Moved


Qualitative Assessment

AI Generated Analysis | Feedback

Below are the key points for the approximate -24.6% stock movement of CoStar (CSGP) from August 31, 2025, to December 12, 2025: 1. CoStar Group reported a net loss for the third quarter of 2025. The company announced a net loss of $31 million, translating to a net loss of $0.07 per diluted share, which fell short of analyst expectations of $0.01 EPS. This occurred despite revenue of $834 million surpassing estimates.

2. The stock's high valuation made it susceptible to significant corrections. CoStar's unusually high trailing P/E ratio, approximately 1,358.6, indicated a premium valuation. Such a high multiple makes the stock particularly sensitive to any perceived negative news or failure to meet aggressive growth expectations, contributing to a sharper decline when adverse events occur.

Show more

Stock Movement Drivers

Return vs. Risk


Price Returns Compared

 202020212022202320242025Total [1]
Returns
CSGP Return54%-14%-2%13%-18%-5%13%
Peers Return
S&P 500 Return16%27%-19%24%23%17%114%

Monthly Win Rates [3]
CSGP Win Rate67%33%33%50%33%33% 
Peers Win Rate 
S&P 500 Win Rate58%75%42%67%75%73% 

Max Drawdowns [4]
CSGP Max Drawdown-13%-19%-33%-15%-20%-8% 
Peers Max Drawdown 
S&P 500 Max Drawdown-31%-1%-25%-1%-2%-15% 


[1] Cumulative total returns since the beginning of 2020
[2] Peers: VRSK, EFX, JLL, CLBZ, GTSG. See CSGP Returns vs. Peers.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2025 data is for the year up to 12/11/2025 (YTD)

How Low Can It Go

Unique KeyEventCSGPS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-46.6%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven87.2%34.1%
2022 Inflation ShockTime to BreakevenTime to BreakevenNot Fully Recovered days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-29.3%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven41.4%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven128 days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-28.3%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven39.4%24.7%
2018 CorrectionTime to BreakevenTime to Breakeven68 days120 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-60.7%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven154.4%131.3%
2008 Global Financial CrisisTime to BreakevenTime to Breakeven750 days1480 days

Compare to VRSK, EFX, JLL, CLBZ, GTSG


In The Past

CoStar's stock fell -46.6% during the 2022 Inflation Shock from a high on 10/26/2021. A -46.6% loss requires a 87.2% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth over time.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

About CoStar (CSGP)

Better Bets than CoStar (CSGP)

Latest Trefis Analyses

Trade Ideas

Select past ideas related to CSGP. For more, see Trefis Trade Ideas.

Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
MPW_10312025_Short_Squeeze10312025MPWMedical Properties TrustSpecialShort Squeeze PotentialShort Squeeze Potential
Has potential for a short squeeze. High short interest, rising short interest and high debt.
4.8%4.8%-5.8%
VRSK_10172025_Monopoly_xInd_xCD_Getting_Cheaper10172025VRSKVerisk AnalyticsMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
-7.7%-7.7%-10.5%
EFX_8312025_Monopoly_xInd_xCD_Getting_Cheaper08312025EFXEquifaxMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
-12.3%-12.3%-16.9%
CSGP_3312020_Quality_Momentum_RoomToRun_10%03312020CSGPCoStarQualityQ | Momentum | UpsideQuality Stocks with Momentum and Upside
Buying quality stocks with strong momentum but still having room to run
45.9%40.0%-10.3%
Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
MPW_10312025_Short_Squeeze10312025MPWMedical Properties TrustSpecialShort Squeeze PotentialShort Squeeze Potential
Has potential for a short squeeze. High short interest, rising short interest and high debt.
4.8%4.8%-5.8%
VRSK_10172025_Monopoly_xInd_xCD_Getting_Cheaper10172025VRSKVerisk AnalyticsMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
-7.7%-7.7%-10.5%
EFX_8312025_Monopoly_xInd_xCD_Getting_Cheaper08312025EFXEquifaxMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
-12.3%-12.3%-16.9%
CSGP_3312020_Quality_Momentum_RoomToRun_10%03312020CSGPCoStarQualityQ | Momentum | UpsideQuality Stocks with Momentum and Upside
Buying quality stocks with strong momentum but still having room to run
45.9%40.0%-10.3%

Recent Active Movers

Recent Active Movers

More From Trefis

Peer Comparisons for CoStar

Peers to compare with:

Financials

CSGPVRSKEFXJLLCLBZGTSGMedian
NameCoStar Verisk A.Equifax Jones La.Collab Z Gates  
Mkt Price67.47216.29220.60337.64--218.44
Mkt Cap28.330.227.216.0--27.7
Rev LTM3,0563,0305,94325,3182-3,056
Op Inc LTM-811,3471,0991,0360-1,036
FCF LTM-391,1169999121-912
FCF 3Y Avg61942764522--643
CFO LTM3621,3481,4701,1101-1,110
CFO 3Y Avg4451,1791,304715--947

Growth & Margins

CSGPVRSKEFXJLLCLBZGTSGMedian
NameCoStar Verisk A.Equifax Jones La.Collab Z Gates  
Rev Chg LTM14.6%7.3%6.4%12.5%--9.9%
Rev Chg 3Y Avg13.1%13.4%4.8%6.3%--9.7%
Rev Chg Q20.4%5.9%7.2%10.9%-72.9%-7.2%
QoQ Delta Rev Chg LTM4.8%1.4%1.8%2.6%-14.4%-1.8%
Op Mgn LTM-2.7%44.4%18.5%4.1%18.1%-18.1%
Op Mgn 3Y Avg4.3%43.6%17.7%3.6%--11.0%
QoQ Delta Op Mgn LTM-2.4%0.5%-0.0%0.2%-28.2%--0.0%
CFO/Rev LTM11.9%44.5%24.7%4.4%44.8%-24.7%
CFO/Rev 3Y Avg16.9%41.6%23.4%3.1%--20.1%
FCF/Rev LTM-1.3%36.8%16.8%3.6%42.3%-16.8%
FCF/Rev 3Y Avg2.9%33.2%13.6%2.2%--8.2%

Valuation

CSGPVRSKEFXJLLCLBZGTSGMedian
NameCoStar Verisk A.Equifax Jones La.Collab Z Gates  
Mkt Cap28.330.227.216.0--27.7
P/S11.611.65.30.6--8.4
P/EBIT-436.826.028.713.6--19.8
P/E1,745.238.147.922.4--43.0
P/CFO97.726.021.512.7--23.8
Total Yield0.1%3.3%2.6%4.5%--3.0%
Dividend Yield0.0%0.7%0.5%0.0%--0.3%
FCF Yield 3Y Avg0.2%2.6%2.5%4.4%--2.6%
D/E0.00.10.20.2--0.1
Net D/E-0.00.10.10.2--0.1

Returns

CSGPVRSKEFXJLLCLBZGTSGMedian
NameCoStar Verisk A.Equifax Jones La.Collab Z Gates  
1M Rtn-1.4%0.5%4.0%9.4%--2.2%
3M Rtn-22.5%-18.8%-15.0%7.4%---16.9%
6M Rtn-18.1%-30.9%-17.6%39.8%---17.9%
12M Rtn-13.0%-23.7%-15.4%22.2%---14.2%
3Y Rtn-17.7%21.1%13.4%107.2%--17.3%
1M Excs Rtn-2.2%-0.3%3.2%8.6%--1.4%
3M Excs Rtn-27.1%-22.3%-18.5%3.3%---20.4%
6M Excs Rtn-32.2%-45.0%-31.8%25.6%---32.0%
12M Excs Rtn-28.2%-37.6%-30.1%9.7%---29.1%
3Y Excs Rtn-91.8%-54.1%-59.0%33.6%---56.5%

Financials

Segment Financials

Revenue by Segment

$ Mil20242023202220212020
CoStar925837723665618
Multifamily914745679599491
LoopNet265231208180 
Information services17115714213088
Other Marketplaces13413811986 
Residential467475  
Commercial property and land    203
Total2,4552,1821,9441,6591,400


Price Behavior

Short Interest

Short Interest: As Of Date11282025
Short Interest: Shares Quantity17,534,153
Short Interest: % Change Since 11152025-3.1%
Average Daily Volume4,616,065
Days-to-Cover Short Interest3.80
Basic Shares Quantity419,900,000
Short % of Basic Shares4.2%

Earnings Returns History

Expand for More

 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
7/22/20256.9%12.2%3.6%
4/29/2025-10.3%-9.8%-10.4%
2/18/20255.0%2.8%5.2%
10/22/2024-5.3%-4.7%-0.8%
7/23/20242.0%4.9%1.0%
2/20/20243.4%4.5%18.5%
10/24/2023-4.4%-1.0%13.1%
7/25/2023-8.1%-9.5%-12.5%
...
SUMMARY STATS   
# Positive7811
# Negative12118
Median Positive6.9%7.6%6.2%
Median Negative-4.8%-4.9%-11.5%
Max Positive15.7%17.0%18.5%
Max Negative-15.0%-14.7%-22.6%

SEC Filings

Expand for More

Report DateFiling DateFiling
93020251029202510-Q 9/30/2025
6302025723202510-Q 6/30/2025
3312025501202510-Q 3/31/2025
12312024220202510-K 12/31/2024
93020241023202410-Q 9/30/2024
6302024725202410-Q 6/30/2024
3312024424202410-Q 3/31/2024
12312023222202410-K 12/31/2023
93020231025202310-Q 9/30/2023
6302023726202310-Q 6/30/2023
3312023426202310-Q 3/31/2023
12312022222202310-K 12/31/2022
93020221026202210-Q 9/30/2022
6302022727202210-Q 6/30/2022
3312022428202210-Q 3/31/2022
12312021223202210-K 12/31/2021