The latest closing stock price for CoStar as of June 18, 2026 is 30.12.
An investor who bought $1,000 worth of CoStar stock at the IPO in 1998 would have $31,782 today, roughly 32 times their original investment - a 13.27% compound annual growth rate over 28 years.
The all-time high CoStar stock closing price was 99.74 on October 26, 2021.
The CoStar 52-week high stock price is 97.43, which is 223.5% above the current share price.
The CoStar 52-week low stock price is 29.53, which is 2% below the current share price.
The average CoStar stock price for the last 52 weeks is 63.11.
An investor who bought $1,000 worth of CoStar stock at the IPO in 1998 would have $31,782 today, roughly 32 times their original investment - a 13.27% compound annual growth rate over 28 years.
The all-time high CoStar stock closing price was 99.74 on October 26, 2021.
The CoStar 52-week high stock price is 97.43, which is 223.5% above the current share price.
The CoStar 52-week low stock price is 29.53, which is 2% below the current share price.
The average CoStar stock price for the last 52 weeks is 63.11.