CoStar Q3 2026 slides: EBITDA doubles as bookings disappoint
CoStar Group (CSGP) reported Q3 2026 revenue of $952M, up 14% YoY, with adjusted EBITDA of $229M. Despite beating EPS estimates, shares fell 7.84% after-hours due to weak bookings of $37M. The company raised full-year guidance but faces sales execution challenges.
How this was made
The 30-second read
Why it matters
The earnings release highlights a divergence between profitability and growth, prompting short‑term downside but long‑term upside potential.
Market read
Earnings beat and guidance raise are outweighed by booking weakness, driving immediate sell‑off; traders should weigh short‑term risk versus long‑term margin expansion.
What to watch
Cost‑efficiency initiatives and AI‑driven product upgrades may drive future profitability beyond the near‑term booking dip.
Background
CoStar Group is a leading provider of commercial real‑estate data and analytics, recently expanding residential offerings through acquisitions.
Ticker impact
CoStar Group reported Q3 2026 earnings with record adjusted EBITDA of $229M but a sharp drop in net new bookings, causing a 7.8% after‑hours share decline.
downward pressure as investors focus on bookings weakness despite EBITDA growth
The stock fell 7.8% after hours on the same day of the release, indicating market reaction to the bookings shortfall.
Market effects
Signals potential slowdown in commercial real‑estate data services, may affect peers in the REIT analytics space.
U.S. commercial real‑estate data providers could see heightened scrutiny on booking trends.
Limited to real‑estate data sector; no broad macro impact.
Counterpoint
Despite the share drop, the strong EBITDA margin expansion and raised full‑year guidance could support a rebound if bookings improve.
Key entities
- ExecutiveAndy Florance
CEO of CoStar Group, commented on bookings shortfall.



