---
title: "CoStar Group Inc. Stock Rises Monday, Outperforms Market"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286820077.md"
description: "CoStar Group Inc. (CSGP) shares rose 1.59% to $33.20 on Monday, outperforming a mixed stock market. The Dow Jones increased by 0.32%, while the S&P 500 fell by 0.07%. This marks the second consecutive day of gains for CoStar, although it remains 65.92% below its 52-week high of $97.43 reached on August 5th. Trading volume was 9.4 million, surpassing the 50-day average of 7.1 million."
datetime: "2026-05-18T21:11:40.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286820077.md)
  - [en](https://longbridge.com/en/news/286820077.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286820077.md)
---

# CoStar Group Inc. Stock Rises Monday, Outperforms Market

This article was automatically generated by MarketWatch using technology from Automated Insights.

Shares of CoStar Group Inc. (CSGP) rallied 1.59% to $33.20 Monday, on what proved to be an all-around mixed trading session for the stock market, with the Dow Jones Industrial Average rising 0.32% to 49,686.12 and the S&P 500 Index falling 0.07% to 7,403.05.

This was the stock's second consecutive day of gains.

CoStar Group Inc. closed 65.92% short of its 52-week high of $97.43, which the company achieved on August 5th.

Trading volume (9.4 M) eclipsed its 50-day average volume of 7.1 M.

Data source: Dow Jones Market Data, FactSet. Data compiled May 18, 2026.

This content was created by MarketWatch, which is operated by Dow Jones & Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.

(END) Dow Jones Newswires

05-18-26 1711ET

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