CSGPCoStar Group
What is the market doing?
No clear lean: insiders net buying, but in a downtrend (−29% vs 200-day).
In a downtrend, below its 50- and 200-day averages. Price is −29% vs its 200-day average.
Insiders were net buyers over the 90 days ending Oct 8, 2026.
Moderately shorted, settled Sep 15, 2026, a few days of normal trading to cover. Down 21% since the previous count, down from 4.1% of shares outstanding three months ago.
Against the whole market›
Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.
Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.
How CSGP is trading
CoStar Group is −67% over the past year while the S&P 500 is +18%: 85 points behind the market. Through the fall, its own insiders bought $4.8M more stock than they sold.
1-year return · S&P 500 +18%
- vs 200-day average
- −29%
vs 200-day average · a clear downtrend
- RSI (14)
- 55
RSI (14) · neutral
- Below its 52-week high
- 66%
Below its 52-week high
Details›
- Last close2026-10-09
- $29.68
- 1 monthS&P 500 +2.7%
- +0.63%
- 1 yearS&P 500 +18%
- −67%
- 5 yearsS&P 500 +88%
- −67%
- vs 50-day average$30.13
- −1.5%
- 52-week high
- $87.10
- 52-week low
- $26.95
- Annualised volatility
- 39%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
- $4.8M
| Year | Return |
|---|---|
| 2026 (year to date) | −56% |
| 2025 | −6.1% |
| 2024 | −18% |
| 2023 | +13% |
| 2022 | −2.2% |
| 2021 | −14% |
| 2020 | +54% |
| 2019 | +77% |
| 2018 | +14% |
| 2017 | +58% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 10 | 6 of 10 | +3.0% |
| Feb | 10 | 4 of 10 | −3.6% |
| Mar | 10 | 6 of 10 | +0.96% |
| Apr | 10 | 6 of 10 | +2.0% |
| May | 10 | 5 of 10 | −0.69% |
| Jun | 10 | 6 of 10 | +3.1% |
| Jul | 11 | 8 of 11 | +6.2% |
| Aug | 11 | 3 of 11 | +0.80% |
| Sep | 11 | 3 of 11 | −3.4% |
| Oct | 11 | 3 of 11 | −2.5% |
| Nov | 10 | 7 of 10 | +4.3% |
| Dec | 10 | 3 of 10 | −2.6% |
End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.
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