CoStar Group IncCoStar's own indices project a 63% drop in commercial deliveries and slightly negative net absorption, signaling sharply weaker commercial real estate demand.

CoStar Group shares fell 3.8% to close at $27.02 after the real estate data provider's Commercial Repeat Sale Indices projected commercial property deliveries would drop sharply from the last cycle peak alongside softer demand signals. According to CoStar's press release, with data through August 2026, quarterly deliveries ending September 2026 are projected to fall 63% versus the fourth-quarter 2023 cycle peak. Deliveries across office, retail, and industrial are projected at 482 million square feet in the 12 months ending September 2026, down 19.5% from the same period a year earlier. The release also revealed third-quarter 2026 demand is projected to be slightly negative, with net absorption expected to give back 2.7 million square feet over the 12 months ending September 2026, and the value-weighted U.S. Composite Index down 1.3% in August. CoStar is down 58.9% since the beginning of the year and is trading 68.1% below its 52-week high of $84.80 from October 2025.
CoStar Group IncCoStar's own indices project a 63% drop in commercial deliveries and slightly negative net absorption, signaling sharply weaker commercial real estate demand.