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CoStar GroupMEX:CSGP 67 3-Year Share Buyback Ratio is -0.90 as of Mar. 2026. GuruFocus rates MEX:CSGP with a GF Score™ of 67/100 and a GF Value™ of MXN2,904.72 (Significantly Undervalued). The stock has 1 warning sign investors should review. Among 840 Real Estate companies, CoStar Group ranks better than 55.95% on this metric.
Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. CoStar Group's current 3-Year Share Buyback Ratio was -0.90%.
The historical rank and industry rank for CoStar Group's 3-Year Share Buyback Ratio or its related term are showing as below:
MEX:CSGP'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -21.5 Med: -3.95 Max: -0.9
Current: -0.9
During the past 13 years, CoStar Group's highest 3-Year Share Buyback Ratio was -0.90%. The lowest was -21.50%. And the median was -3.95%.
MEX:CSGP's 3-Year Share Buyback Ratio is ranked better than 55.95% of 840
companies
in the Real Estate industry
Industry Median: -1.7
vs MEX:CSGP: -0.90
CoStar Group (MEX:CSGP) 3-Year Share Buyback Ratio Explanation
A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.
Be Aware
Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.
CoStar Group 3-Year Share Buyback Ratio Related Terms
MEX:CSGP vs JLL, BEKE, COMP: 3-Year Share Buyback Ratio Comparison
For the Real Estate Services subindustry, CoStar Group's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
CoStar Group 3-Year Share Buyback Ratio vs Real Estate Industry
For the Real Estate industry and Real Estate sector, CoStar Group's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where CoStar Group's 3-Year Share Buyback Ratio falls into.
CoStar Group 3-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average dividends per share growth rate.
What does a 3-Year Share Buyback Ratio of -0.90 mean?
CoStar Group (MEX:CSGP) has a 3-Year Share Buyback Ratio of -0.90 as of Mar. 2026. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for CoStar Group and its competitors. According to the industry distribution chart, CoStar Group ranks #370 out of 840 companies in the Real Estate industry, placing it in the top 44%.
Is CoStar Group's 3-Year Share Buyback Ratio too high?
CoStar Group's current 3-Year Share Buyback Ratio is -0.90. Based on the distribution chart, CoStar Group ranks #370 out of 840 companies in the Real Estate industry, which is above the industry midpoint. Overall, CoStar Group has a GF Score™ of 67/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does CoStar Group's 3-Year Share Buyback Ratio compare to JLL and BEKE?
According to the Real Estate industry distribution chart, CoStar Group ranks #370 out of 840 companies for 3-Year Share Buyback Ratio. This puts CoStar Group in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for a Real Estate company?
A good 3-Year Share Buyback Ratio depends on the Real Estate industry context. However, 3-Year Share Buyback Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for CoStar Group and its competitors. CoStar Group's current 3-Year Share Buyback Ratio is -0.90. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is CoStar Group stock overvalued right now?
Based on GuruFocus' analysis, CoStar Group (MEX:CSGP) is currently considered Significantly Undervalued. The stock's GF Value™ is MXN2,904.72, compared to a current price of MXN515.00 — trading 82.3% below its estimated fair value. The current 3-Year Share Buyback Ratio is -0.90. CoStar Group's overall GF Score™ is 67/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For CoStar Group (MEX:CSGP), the current 3-Year Share Buyback Ratio is -0.90 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is CoStar Group (MEX:CSGP) Overvalued in 2026?
Based on GuruFocus' analysis, CoStar Group stock appears to be undervalued.
The current stock price of MXN515.00 is trading 82.3% below its estimated GF Value™ of MXN2,904.72.
GuruFocus considers CoStar Group to be Significantly Undervalued.
Key valuation signals for MEX:CSGP:
3-Year Share Buyback Ratio: -0.90
GF Value™: MXN2,904.72 vs. price of MXN515.00 (82.3% below fair value)
No single metric tells the full story. See the MEX:CSGP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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.
67GF Score
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