CoStar Group stock falls nearly 15% as soft Q4 outlook and slowing bookings weigh on shares

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CoStar Group slides 14.84% to $27.25

Highlights

CoStar Group posted record third quarter 2026 revenue of $952 million, up 14% year over year, with adjusted EBITDA doubling to $229 million.
The company raised its full-year 2026 adjusted EBITDA guidance, acquired Vexcel for $730 million, and targets $200 million in cost savings.
Shares of CoStar Group trade below key moving averages, showing ongoing downside momentum with a projected range of $23.12 to $29.11 over the next five trading days.

Guidance cut and slower bookings temper optimism from earnings gains

CoStar Group reported record third quarter 2026 revenue of $952 million, a 14% year-over-year increase. Adjusted EBITDA doubled year-over-year to $229 million, and net income reached $74 million. The company raised its full-year 2026 adjusted EBITDA guidance and announced the $730 million acquisition of Vexcel along with plans for $200 million in cost savings. Management issued a softer Q4 revenue outlook and recorded a slowdown in new bookings, though price action has remained under broader selling pressure.

Anton Kharitonov, expert at Traders Union, notes that CoStar Group's sharp drop stems from disappointing guidance and slowing bookings despite strong quarterly results. He highlights the dangerous technical setup: prices below all key moving averages, downside gap, and ongoing high volatility. Kharitonov is skeptical of the company's cost savings and Vexcel acquisition given the current selling pressure. He stresses that bullish indicators are contradicted by persistent resistance and momentum breakdowns. "I see little incentive for aggressive buyers until the stock closes convincingly above $29.11 for several sessions," he states.

Viktoras Karapetjanc, expert at Traders Union, sees positive signals in CoStar Group’s resilient revenue and EBITDA growth. He points to strong fundamentals underlying the long-term story, with the recent acquisition and cost-saving measures creating new market opportunities. Karapetjanc considers the drop as temporary, viewing it as a reaction to softer guidance rather than structural weakness. He remains optimistic about a swift recovery. "I expect further growth, as the bullish structure remains intact and the recent volatility will offer attractive entry setups for forward-looking investors," he says.

Jainam Mehta, market strategist, sees a tactical opportunity in the current volatility band between $23.12 and $29.11. He observes a divergence between downside momentum and mixed short-term indicators like RSI and MACD. Mehta suggests watching for a potential breakout in either direction, with a rally above $29.11 likely to trigger short-covering. "If momentum shifts as technicals stabilize, a contrarian long trade above resistance may become viable," he comments.

Bearish alignment and volatile trading as momentum signals diverge

CoStar Group is currently trading below its 20-day ($30.57), 50-day ($30.56), and 200-day ($37.17) moving averages, indicating near-term and medium-term weakness as well as long-term bearish pressure. The nearest resistance stands at $27.27, with support at $23.12, confirming prevailing downside momentum given the bearish alignment between the 50-day and 200-day averages and resistance from the Ichimoku Kijun at $31.06. Momentum signals are mixed: MACD and ADX indicate positive momentum, RSI at 54.41 and CCI offer buy signals, while Stochastic RSI is oversold at 12.48. Bull/Bear Power at 1.58 reflects intraday buyer strength, even as the forecast appears overbought. The stock traded near session lows with high intraday volatility of 11.07%, a downside gap, and strong selling pressure as technical momentum diverged sharply from price action.

Earlier, analysts noted that CoStar Group was experiencing improved short- and medium-term momentum despite lingering long-term bearish signals. The latest sharp decline following a subdued revenue outlook and persistent technical weakness signals a change in trend, making $23.12 a critical support level for traders to monitor in the near term.

Source of Data: CSGP Price Analysis by TU

The analysis is based on a proprietary model combining technical, on-chain, and expert data. Not investment advice. See methodology

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