CSGP vs ZG
CSGP: CoStar Group operates the leading ecosystem of digital real estate marketplaces and property data analytics platforms for both commercial and residential markets. ZG: Zillow is a leading digital residential real estate platform that integrates home search, rentals, and mortgage financing into a seamless, technology-driven transaction ecosystem.
Side-by-side fundamentals
| Metric | CSGP | ZG | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $27.69 | $31.35 | |
| Market cap as of 2026-07-23 | $11.4B | $7.5B | |
| P/E as of 2026-07-23 | 459.24 | 122.48 | ZG lower |
| PEG as of 2026-07-23 | 14.64 | 4.24 | ZG lower |
| Net margin as of 2026-07-23 | +0.7% | +2.3% | ZG higher |
| Gross margin as of 2026-07-23 | +78.6% | +73.3% | CSGP higher |
| Operating margin as of 2026-07-23 | -0.8% | +0.4% | ZG higher |
| ROE as of 2026-07-23 | +0.3% | +1.3% | ZG higher |
| ROA as of 2026-07-23 | +0.2% | +1.1% | ZG higher |
| Debt / equity as of 2026-07-23 | 0.13 | 0.08 | ZG lower |
| Revenue growth (YoY) as of 2026-07-23 | +21.3% | +16.8% | CSGP higher |
| Revenue CAGR (3y) SEC XBRL | +14.2% | +9.7% | CSGP higher |
| Beta as of 2026-07-23 | 0.73 | 2.02 | |
| 1-year return as of 2026-07-22 close | -67.5% | -60.9% | ZG higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.