Key Takeaways for CoStar Group Stock as of August 2026
- Guidance Reset: CoStar Group (CSGP) stock sank after the company cut its 2026 revenue guidance to $3.715B-$3.755B on its July 28 Q2 call, even as adjusted EBITDA guidance held at $780M-$820M.
- Ratings Split: Street coverage as of August 18 carries 9 buys, 3 outperforms, 8 holds, and 1 sell, with the $37 mean target sitting 18% above the stock’s $31 close.
- Target Slide: KBW downgraded CoStar stock to market perform after the print.
- Model Gap: TIKR’s mid case model puts CoStar stock’s target at $57 by late 2030, implying 82% total return and 15% annualized from the current $31 price.
CoStar Stock’s Guidance Cut Hides a Genuine Profit Inflection
CoStar Group (CSGP) stock dropped after the company’s July 28 second-quarter call, when management lowered full-year revenue guidance to a range of $3.715 billion to $3.755 billion. The cut arrived even as CoStar posted its strongest profitability quarter in years. Adjusted EBITDA more than doubled year over year to $184 million, and the residential segment turned in its first profitable quarter since the Homes.com launch in 2024.
CFO Christian Lown pinned roughly a quarter of the revenue reduction on Ten-X, the commercial auction platform now being separated from LoopNet, and the rest on two deliberate choices: cutting Homes.com’s inside sales headcount by 21% sequentially and holding Apartments.com pricing steady against a discounting rival. “As a result of our stringent focus on expense management, we are affirming the adjusted EBITDA guidance that we provided last quarter, which calls for adjusted EBITDA to range from $780 million to $820 million,” Lown told analysts on the call. That guidance, up $30 million at the midpoint from February, is the number management is betting investors will care about once the headline wears off.
The market read the headline cut first. CoStar stock sank on the day of the print, and Reuters flagged the shares among the session’s biggest decliners on the guidance news. Five firms took action within 24 hours: JPMorgan trimmed its target to $52 from $58, Needham to $40 from $50, and Wells Fargo to $25 from $26, while KBW downgraded CoStar stock to market perform and cut its target to $29 from $41, and William Blair moved to a market perform rating as well.
But the stock has since clawed back a chunk of that drop, and the trade now hinges on whether investors believe a smaller, higher-margin CoStar is worth more than a faster-growing one that keeps burning cash on customer acquisition.
CoStar Stock’s Target Premium Just Compressed From 68% to 18%
As of August 18, CoStar stock carries 9 buys, 3 outperforms, 8 holds, and 1 sell among the 20 analysts publishing price targets. The $37 mean target sits 18% above the $31 close, the tightest premium the Street has carried on CoStar stock in over a year.

That premium was far wider earlier in 2026. Analysts held a $65 mean target in March against a $40 stock price, and by the end of June the $48 mean target still sat 68% above a $28 close. The gap didn’t close because analysts saw more upside. It closed because the stock kept falling and estimates followed with a lag. The Q2 print gave the Street its first real reason to reset lower alongside a guidance cut instead of a falling price, and the round of downgrades on July 29 marks the sharpest single-day repricing in the table’s history.
TIKR Values CoStar Stock at $57, Pricing In the Margin Story Over the Growth Story
TIKR’s mid case model values CoStar Group at $57 by the end of 2030, implying an 82% total return from the current price of $31, or 15% annualized over the next 4.4 years.

That annualized return sits well above what investors typically demand from a data and marketplace business with CoStar’s growth profile, even after the guidance reset.
The model’s case rests on the same shift management just made: trading topline growth at Ten-X, Homes.com, and Apartments.com for a wider EBITDA margin, the metric the company just raised by $30 million at the midpoint. With the Street’s mean target still $20 below TIKR’s number, the model is betting the profit inflection outlasts the memory of the guidance cut.
Should You Invest in CoStar Group, Inc.?
The only way to really know is to look at the numbers yourself. TIKR gives you free access to the same institutional-quality financial data that professional analysts use to answer exactly that question.
Pull up CoStar Group, Inc. stock and you’ll see years of historical financials, what Wall Street analysts expect for revenue and earnings in the quarters ahead, how valuation multiples have moved over time, and whether price targets are trending up or down.
You can build a free watchlist to track CoStar Group, Inc. alongside every other stock on your radar. No credit card required. Just the data you need to decide for yourself.
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Disclaimer:
Please note that the articles on TIKR are not intended to serve as investment or financial advice from TIKR or our content team, nor are they recommendations to buy or sell any stocks. We create our content based on TIKR Terminal’s investment data and analysts’ estimates. Our analysis might not include recent company news or important updates. TIKR has no position in any stocks mentioned. Thank you for reading, and happy investing!