Why CoStar (CSGP) shares are falling today
Published . Updated .
This report does not map to a usual set of affected companies.
Directly affected
- CSGP Costar Group-4.2% 30d
Named in this report.
Indirectly affected
- XLY Consumer Discretionary Select Sector SPDR+2.3% 30d
Consumer Discretionary Select Sector SPDR holds the consumer sector that CoStar Group belongs to, so it often moves with news about it.
- V Visa+11.8% 30d
Visa is a peer of CoStar Group in business services; rivals often move on the same news.
- MA Mastercard+12.3% 30d
Mastercard is a peer of CoStar Group in business services; rivals often move on the same news.
- UBER Uber Technologies-7.9% 30d
Uber Technologies is a peer of CoStar Group in business services; rivals often move on the same news.
- MELI MercadoLibre-11.4% 11d
MercadoLibre is a peer of CoStar Group in business services; rivals often move on the same news.
- DASH DoorDash-7.5% 30d
DoorDash is a peer of CoStar Group in business services; rivals often move on the same news.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| CSGPNo price data for this ticker | — | — | — | — | — | — | — |
| XLYNo price data for this ticker | — | — | — | — | — | — | — |
| VNo price data for this ticker | — | — | — | — | — | — | — |
| MANo price data for this ticker | — | — | — | — | — | — | — |
| UBERNo price data for this ticker | — | — | — | — | — | — | — |
| MELINo price data for this ticker | — | — | — | — | — | — | — |
| DASHNo price data for this ticker | — | — | — | — | — | — | — |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Market Call
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Why CoStar (CSGP) shares are falling today Yahoo Finance
Source: Yahoo Finance
Trades by members of Congress and officials in the stocks in this story
- Rep. Gilbert Cisneros bought Costar Group (CSGP), worth $1,001 - $15,000 on 19 Aug 2026. That is 71 days before publication. Filed 10 Sep 2026. View the filing.
- Rep. Pete Sessions sold Visa (V) (held by a spouse), worth $15,001 - $50,000 on 2 Oct 2026. That is 27 days before publication. Filed 27 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Visa (V) (held by a spouse), worth $1,001 - $15,000 on 25 Sep 2026. That is 34 days before publication. Filed 7 Oct 2026. View the filing.
- Sen. Sheldon Whitehouse sold Visa (V) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 55 days before publication. Filed 1 Oct 2026. View the filing.
- Rep. Pete Sessions sold Mastercard (MA) (held by a spouse), worth $15,001 - $50,000 on 2 Oct 2026. That is 27 days before publication. Filed 27 Oct 2026. View the filing.
- Rep. Michael T. McCaul sold Mastercard (MA) (held by a spouse), worth $1,001 - $15,000 on 25 Aug 2026. That is 65 days before publication. Filed 14 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Mastercard (MA), worth $100,001 - $250,000 on 21 Aug 2026. That is 69 days before publication. Filed 8 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Uber Technologies (UBER), worth $50,001 - $100,000 on 28 Aug 2026. That is 62 days before publication. Filed 8 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Uber Technologies (UBER), worth $15,001 - $50,000 on 17 Aug 2026. That is 73 days before publication. Filed 8 Oct 2026. View the filing.
- Rep. Michael T. McCaul sold Uber Technologies (UBER) (held by a spouse), worth $15,001 - $50,000 on 7 Aug 2026. That is 83 days before publication. Filed 14 Oct 2026. View the filing.
- Rep. Rohit Khanna sold DoorDash (DASH) (held by a dependent child), worth $1,001 - $15,000 on 11 Sep 2026. That is 48 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Gilbert Cisneros sold DoorDash (DASH), worth $1,001 - $15,000 on 28 Aug 2026. That is 62 days before publication. Filed 10 Sep 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
How solid “Why CoStar (CSGP) shares are falling today” looks
12 out of 100
“Why CoStar (CSGP) shares are falling today” scores 12 out of 100. The score uses 1 sources.