CoStar Group Inc (CSGP) Valuation
Historical valuation analysis based on 1281 data points (2021-09-10 to 2026-10-16)
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 o...
CoStar Group Inc (CSGP) currently trades at a P/E ratio of 177.88 (historical range: 69.24–1740.70, median: 131.98), placing it at the 71th percentile — above its historical average, P/S ratio of 3.68 (range: 3.07–20.89, 6th percentile — cheap relative to its history), EV/EBITDA of 161.71 (range: 40.10–6696.43, 69th percentile).
Over the historical period (2021-09-10 to 2026-10-16), CoStar Group Inc's P/E ratio has expanded by 372% over the observed period (from an average of 94.6 to 446.4).
CoStar Group Inc trades near its historical valuation range, with most metrics close to their median levels.
Historical Valuation Metrics
| Metric | Current | Median | %ile | Assessment |
|---|---|---|---|---|
| P/E Ratio | 177.88 | 131.98 | 71th | above its historical average |
| P/S Ratio | 3.68 | 12.47 | 6th | cheap relative to its history |
| EV/EBITDA | 161.71 | 86.76 | 69th | above its historical average |
| FCF Yield | 2.14% | 1.26% | 97th | cheap relative to its history |
CoStar Group Inc (CSGP) Valuation & P/E History
CoStar Group Inc (CSGP) is a US-listed stock operating in the Technology sector, specifically the Services-Business Services, Nec industry currently trading at $32.31 with a market capitalization of $13.1 billion. This page provides historical valuation analysis for CSGP based on 1281 data points covering 2021-09-10 to 2026-10-16. The P/E ratio of 177.88 is above the historical median of 131.98, placing CSGP at the 71th percentile of its valuation range. The P/S ratio of 3.68 compares to a median of 12.47.
CSGP Valuation Metrics & Historical Range
The valuation table above shows CoStar Group Inc's current and historical valuation multiples, including P/E ratio, P/S ratio, EV/EBITDA, FCF yield, and dividend yield. Each metric is compared to its own historical range to determine whether CSGP is currently trading above or below its typical valuation levels.
- P/E ratio: Price-to-earnings measures how much investors pay per dollar of earnings. A P/E above the historical median suggests CSGP is expensively valued; below the median suggests it is cheap.
- P/S ratio: Price-to-sales is useful for companies with volatile or negative earnings. Lower P/S relative to history may indicate value.
- EV/EBITDA: Enterprise value to EBITDA adjusts for debt and cash, providing a capital-structure-neutral valuation measure for CoStar Group Inc.
- FCF yield: Free cash flow yield shows the cash return relative to market price. Higher yields may indicate undervaluation.
Is CSGP Overvalued or Undervalued?
CoStar Group Inc trades near its historical valuation range, with most metrics close to their median levels. The overall valuation percentile of 49 combines P/E, P/S, and EV/EBITDA percentiles into a single measure of how expensive CSGP is relative to its own history. A percentile below 25 suggests the stock may be undervalued, while a percentile above 75 suggests it may be overvalued.
However, valuation is only one factor in investment decisions. A stock can remain "overvalued" for years if growth accelerates, or "undervalued" if the business deteriorates. Always combine valuation analysis with financial statement analysis and the full CSGP analysis page for a complete picture.
Valuation data is computed from historical price and fundamental data via Polygon.io and Finnhub.CSGP trades on NYSE/NASDAQ. This page is for informational purposes only and is not financial advice.