CoStar Group Stock Price History
NASDAQ: CSGPFinanceReal EstateUSD
29.67-0.14 (-0.47%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
CSGP price history at a glance
The price history for CoStar Group (CSGP) on this page begins on June 29, 1998, when the stock closed at $0.975; it most recently closed at $29.67 on October 5, 2026. The highest price in this record is $101.05, reached on October 25, 2021; the latest close is 70.6% below that peak. Across the 27 complete calendar years in the table, CSGP finished higher in 15 and lower in 12. Its best year was 1999 (+184.2%) and its worst was 2000 (-34.1%).
Over roughly 28 years the share price changed +2943.1%, a 12.8% compound annual price return (excluding dividends). In the last 12 months alone, CSGP has lost 61.7%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 1998
- $101.05
- Date of high
- Oct 25, 2021
- Low since 1998
- $0.55
- Date of low
- Sep 7, 1998
- 52-week high
- $79.08
- 52-week low
- $25.89
- IPO year
- 1998
- Last close
- $29.67
CSGP returns
1 week
+8.36%
1 month
+0.30%
3 months
+4.51%
6 months
-18.67%
Year to date
-55.87%
1 year
-61.73%
3 years
-62.88%
5 years
-68.22%
CSGP price return, excluding dividends.
CSGP annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 29.67 | -54.83% |
| 2025 | 65.69 | -9.08% |
| 2024 | 72.25 | -17.32% |
| 2023 | 87.39 | +13.08% |
| 2022 | 77.28 | -2.21% |
| 2021 | 79.03 | -14.50% |
| 2020 | 92.43 | +47.60% |
| 2019 | 62.62 | +84.93% |
| 2018 | 33.86 | +14.03% |
| 2017 | 29.70 | +57.54% |
| 2016 | 18.85 | -8.81% |
| 2015 | 20.67 | +14.74% |
| 2014 | 18.01 | -2.15% |
| 2013 | 18.41 | +101.36% |
| 2012 | 9.14 | +37.00% |
| 2011 | 6.67 | +15.93% |
| 2010 | 5.76 | +37.80% |
| 2009 | 4.18 | +24.65% |
| 2008 | 3.35 | -18.74% |
| 2007 | 4.12 | -23.00% |
| 2006 | 5.36 | +24.07% |
| 2005 | 4.32 | -6.52% |
| 2004 | 4.62 | +9.56% |
| 2003 | 4.22 | +136.66% |
| 2002 | 1.78 | -23.00% |
| 2001 | 2.31 | -2.10% |
| 2000 | 2.36 | -34.15% |
| 1999 | 3.59 | +184.16% |
| 1998* | 1.26 | +29.49% |
* Partial year: the record begins after the start of 1998; return measured from the first available close.
2026 return is year to date.
CSGP daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 30.02 | 30.16 | 29.54 | 29.67 | -0.47% | |
| 27.60 | 29.83 | 27.58 | 29.81 | +8.01% | |
| 27.77 | 27.87 | 27.18 | 27.60 | -0.11% | |
| 27.70 | 28.20 | 27.46 | 27.63 | -0.11% | |
| 27.25 | 27.68 | 27.18 | 27.66 | +1.02% | |
| 27.48 | 27.81 | 27.15 | 27.38 | -1.23% | |
| 27.91 | 28.23 | 27.10 | 27.72 | +1.17% | |
| 27.03 | 27.55 | 26.86 | 27.40 | +1.67% | |
| 26.84 | 27.18 | 26.52 | 26.95 | -0.26% | |
| 27.68 | 27.75 | 26.85 | 27.02 | -3.81% | |
| 27.73 | 28.63 | 27.60 | 28.09 | +0.83% | |
| 28.18 | 28.54 | 27.28 | 27.86 | -1.42% | |
| 28.69 | 28.69 | 27.89 | 28.26 | -1.77% | |
| 29.63 | 29.63 | 28.31 | 28.77 | -0.93% | |
| 29.24 | 29.64 | 28.84 | 29.04 | -0.17% | |
| 29.30 | 29.91 | 28.96 | 29.09 | -0.72% | |
| 30.48 | 30.59 | 29.24 | 29.30 | -3.49% | |
| 31.25 | 31.43 | 30.27 | 30.36 | -3.80% | |
| 31.15 | 31.79 | 30.70 | 31.56 | +0.13% | |
| 31.17 | 31.83 | 30.75 | 31.52 | +3.48% | |
| 29.72 | 30.60 | 29.71 | 30.46 | +3.29% | |
| 29.64 | 30.14 | 28.79 | 29.49 | -0.30% | |
| 30.02 | 30.29 | 29.33 | 29.58 | -2.50% | |
| 30.55 | 30.63 | 29.66 | 30.34 | -1.84% | |
| 31.25 | 31.33 | 30.32 | 30.91 | -2.43% | |
| 31.84 | 32.79 | 31.22 | 31.68 | +1.34% | |
| 31.97 | 32.65 | 31.20 | 31.26 | -2.25% | |
| 32.00 | 32.46 | 31.40 | 31.98 | -0.28% | |
| 31.95 | 32.59 | 31.79 | 32.07 | -0.47% | |
| 31.71 | 32.59 | 31.45 | 32.22 | +2.81% | |
| 32.05 | 32.49 | 31.29 | 31.34 | -2.49% | |
| 32.31 | 32.92 | 31.74 | 32.14 | -2.04% | |
| 32.59 | 33.28 | 32.25 | 32.81 | -0.09% | |
| 32.52 | 32.90 | 32.29 | 32.84 | +1.80% | |
| 32.51 | 33.26 | 31.99 | 32.26 | 0.00% | |
| 33.46 | 33.63 | 31.72 | 32.26 | -4.36% | |
| 31.28 | 33.82 | 31.20 | 33.73 | +7.49% | |
| 32.03 | 32.30 | 31.30 | 31.38 | +0.10% | |
| 31.95 | 32.15 | 30.99 | 31.35 | -3.18% | |
| 33.28 | 33.30 | 31.86 | 32.38 | -2.03% | |
| 30.68 | 33.10 | 30.68 | 33.05 | +8.36% | |
| 30.65 | 31.08 | 30.22 | 30.50 | -1.99% | |
| 31.25 | 31.52 | 30.65 | 31.12 | -1.14% | |
| 30.04 | 31.49 | 30.04 | 31.48 | +4.10% | |
| 30.05 | 31.68 | 30.04 | 30.24 | +2.23% | |
| 29.89 | 30.22 | 29.27 | 29.58 | -2.09% | |
| 30.61 | 30.75 | 29.53 | 30.21 | +1.31% | |
| 29.42 | 30.07 | 29.35 | 29.82 | -0.70% | |
| 29.47 | 30.18 | 29.26 | 30.03 | +4.42% | |
| 29.02 | 29.38 | 28.38 | 28.76 | -2.38% | |
| 28.27 | 29.57 | 28.13 | 29.46 | -1.24% | |
| 26.03 | 30.45 | 25.89 | 29.83 | -1.65% | |
| 29.90 | 31.40 | 29.75 | 30.33 | +3.98% | |
| 28.05 | 29.92 | 28.04 | 29.17 | +5.46% | |
| 27.28 | 28.09 | 27.09 | 27.66 | +1.92% | |
| 27.89 | 28.03 | 26.77 | 27.14 | -1.99% | |
| 28.76 | 28.92 | 27.48 | 27.69 | -2.84% | |
| 28.63 | 29.39 | 28.34 | 28.50 | -3.98% | |
| 29.50 | 29.90 | 28.85 | 29.68 | -0.34% | |
| 30.64 | 31.01 | 29.59 | 29.78 | -1.94% | |
| 29.07 | 30.52 | 28.96 | 30.37 | +6.60% | |
| 28.04 | 29.25 | 27.96 | 28.49 | +2.93% | |
| 27.00 | 28.00 | 26.68 | 27.68 | -3.79% | |
| 28.88 | 29.38 | 28.22 | 28.77 | +1.34% | |
| 29.67 | 30.05 | 28.09 | 28.39 | -2.74% | |
| 28.86 | 29.35 | 28.44 | 29.19 | -0.51% | |
| 29.66 | 29.82 | 29.02 | 29.34 | -1.77% | |
| 29.67 | 30.14 | 29.19 | 29.87 | +4.08% | |
| 29.68 | 29.83 | 28.54 | 28.70 | -4.33% | |
| 29.56 | 30.42 | 29.22 | 30.00 | +2.18% | |
| 29.08 | 30.02 | 28.77 | 29.36 | +3.67% | |
| 29.03 | 29.26 | 28.18 | 28.32 | -3.41% | |
| 30.61 | 30.71 | 29.20 | 29.32 | -3.07% | |
| 28.90 | 30.52 | 28.84 | 30.25 | +5.62% | |
| 29.31 | 29.68 | 28.54 | 28.64 | -3.92% | |
| 29.89 | 30.89 | 29.76 | 29.81 | -1.49% | |
| 29.73 | 30.60 | 29.73 | 30.26 | +3.56% | |
| 30.05 | 31.04 | 29.08 | 29.22 | -2.99% | |
| 30.46 | 30.73 | 29.53 | 30.12 | -1.12% | |
| 31.80 | 32.56 | 30.38 | 30.46 | -4.72% | |
| 32.01 | 32.72 | 31.64 | 31.97 | -0.22% | |
| 32.68 | 34.08 | 31.91 | 32.04 | -2.44% | |
| 32.57 | 33.19 | 31.63 | 32.84 | +0.58% | |
| 33.53 | 34.06 | 32.33 | 32.65 | -4.62% | |
| 33.58 | 34.77 | 33.16 | 34.23 | +0.88% | |
| 33.05 | 34.20 | 32.85 | 33.93 | +1.62% | |
| 33.31 | 34.04 | 32.68 | 33.39 | -1.48% | |
| 33.93 | 34.27 | 33.06 | 33.89 | +0.68% | |
| 34.66 | 34.82 | 33.13 | 33.66 | +0.78% | |
| 33.51 | 33.52 | 32.05 | 33.40 | -0.77% | |
| 33.08 | 33.76 | 31.70 | 33.66 | -0.59% | |
| 32.62 | 33.88 | 32.01 | 33.86 | +5.16% | |
| 32.65 | 32.94 | 31.86 | 32.20 | -0.31% | |
| 32.24 | 32.90 | 32.00 | 32.30 | -0.06% | |
| 32.59 | 33.48 | 32.21 | 32.32 | -0.62% | |
| 33.61 | 33.71 | 32.50 | 32.52 | -4.21% | |
| 33.87 | 34.64 | 33.61 | 33.95 | +0.06% | |
| 33.65 | 34.43 | 33.03 | 33.93 | -0.24% | |
| 33.41 | 34.26 | 32.19 | 34.01 | +0.62% | |
| 33.80 | 34.86 | 33.28 | 33.80 | +1.81% | |
| 32.73 | 34.34 | 32.42 | 33.20 | +1.59% | |
| 31.92 | 33.02 | 31.92 | 32.68 | +2.61% | |
| 31.97 | 32.58 | 31.36 | 31.85 | -0.38% | |
| 32.41 | 32.88 | 31.78 | 31.97 | -3.27% | |
| 33.21 | 33.54 | 32.21 | 33.05 | +0.39% | |
| 32.45 | 33.19 | 32.09 | 32.92 | +0.46% | |
| 34.62 | 34.64 | 32.71 | 32.77 | -6.32% | |
| 34.08 | 35.59 | 33.94 | 34.98 | +2.67% | |
| 34.95 | 35.26 | 34.03 | 34.07 | -2.38% | |
| 35.23 | 35.37 | 33.82 | 34.90 | -1.36% | |
| 35.77 | 35.86 | 34.69 | 35.38 | +1.90% | |
| 35.28 | 36.09 | 34.35 | 34.72 | +0.32% | |
| 33.76 | 34.75 | 33.33 | 34.61 | +1.38% | |
| 35.65 | 36.53 | 33.32 | 34.14 | -5.06% | |
| 36.85 | 37.39 | 35.88 | 35.96 | -0.77% | |
| 36.20 | 36.98 | 36.08 | 36.24 | -0.55% | |
| 37.30 | 37.49 | 36.04 | 36.44 | -2.51% | |
| 38.48 | 38.70 | 36.56 | 37.38 | -3.59% | |
| 39.13 | 39.62 | 37.77 | 38.77 | -0.36% | |
| 40.16 | 41.03 | 38.77 | 38.91 | -2.87% | |
| 39.70 | 40.32 | 39.36 | 40.06 | +0.86% | |
| 40.58 | 40.94 | 39.52 | 39.72 | -0.80% | |
| 39.77 | 40.41 | 39.57 | 40.04 | +1.86% | |
| 38.05 | 39.52 | 37.64 | 39.31 | +4.55% | |
| 36.81 | 38.35 | 36.81 | 37.60 | +1.46% | |
| 36.14 | 37.26 | 34.75 | 37.06 | +1.59% | |
| 37.30 | 37.50 | 35.77 | 36.48 | -2.25% | |
| 38.28 | 38.44 | 36.91 | 37.32 | -3.86% | |
| 40.73 | 41.13 | 38.48 | 38.82 | -1.67% | |
| 41.11 | 41.25 | 39.44 | 39.48 | -4.13% | |
| 39.92 | 41.29 | 39.64 | 41.18 | +3.08% | |
| 39.65 | 40.84 | 38.70 | 39.95 | +0.81% | |
| 40.34 | 40.34 | 38.69 | 39.63 | -1.76% | |
| 41.50 | 41.63 | 39.57 | 40.34 | -1.32% | |
| 40.16 | 41.07 | 40.04 | 40.88 | +2.79% | |
| 41.07 | 41.43 | 39.18 | 39.77 | -3.70% | |
| 40.95 | 42.71 | 40.95 | 41.30 | -0.27% | |
| 41.84 | 42.12 | 40.33 | 41.41 | -0.12% | |
| 42.32 | 42.52 | 40.78 | 41.46 | -3.38% | |
| 43.67 | 43.75 | 41.79 | 42.91 | +0.02% | |
| 42.24 | 43.27 | 41.96 | 42.90 | +0.19% | |
| 42.73 | 43.57 | 41.84 | 42.82 | -0.67% | |
| 43.53 | 44.13 | 42.65 | 43.11 | -2.58% | |
| 44.07 | 45.21 | 43.62 | 44.25 | +1.44% | |
| 43.95 | 44.10 | 43.45 | 43.62 | -0.02% | |
| 43.71 | 44.27 | 42.94 | 43.63 | +0.62% | |
| 45.01 | 46.34 | 43.29 | 43.36 | -4.37% | |
| 46.46 | 47.15 | 44.83 | 45.34 | -2.14% | |
| 47.73 | 48.32 | 45.50 | 46.33 | -4.32% | |
| 48.20 | 48.93 | 47.62 | 48.42 | +0.08% | |
| 48.36 | 48.74 | 47.64 | 48.38 | -1.08% | |
| 47.48 | 49.03 | 47.27 | 48.91 | +2.75% | |
| 46.81 | 48.25 | 46.81 | 47.60 | +1.75% | |
| 45.88 | 47.37 | 44.78 | 46.78 | +3.56% | |
| 43.58 | 45.38 | 43.16 | 45.17 | +1.21% | |
| 43.99 | 45.41 | 43.74 | 44.63 | -0.82% | |
| 45.54 | 46.12 | 44.79 | 45.00 | +0.49% | |
| 46.59 | 47.10 | 43.17 | 44.78 | -8.89% | |
| 47.56 | 49.75 | 47.33 | 49.15 | +2.67% | |
| 49.39 | 50.07 | 47.81 | 47.87 | -4.01% | |
| 50.05 | 52.08 | 49.43 | 49.87 | +1.63% | |
| 48.53 | 49.48 | 48.05 | 49.07 | +0.27% | |
| 46.37 | 49.07 | 46.37 | 48.94 | +7.00% | |
| 44.97 | 45.82 | 43.80 | 45.74 | +1.67% | |
| 45.34 | 45.90 | 44.55 | 44.99 | -0.09% | |
| 47.72 | 48.04 | 43.92 | 45.03 | -5.93% | |
| 50.31 | 50.31 | 46.78 | 47.87 | -5.86% | |
| 50.20 | 52.35 | 50.20 | 50.85 | -0.22% | |
| 49.64 | 51.36 | 48.56 | 50.96 | +1.35% | |
| 51.13 | 51.69 | 48.76 | 50.28 | -1.39% | |
| 52.78 | 53.32 | 50.72 | 50.99 | -2.58% | |
| 52.14 | 53.38 | 50.59 | 52.34 | +1.18% | |
| 60.13 | 60.39 | 51.57 | 51.73 | -15.45% | |
| 61.46 | 62.67 | 61.04 | 61.18 | -0.52% | |
| 61.51 | 62.38 | 60.77 | 61.50 | -0.69% | |
| 65.31 | 65.46 | 61.61 | 61.93 | -5.02% | |
| 66.98 | 67.68 | 65.15 | 65.20 | -1.54% | |
| 69.28 | 70.57 | 65.69 | 66.22 | +0.62% | |
| 65.95 | 67.06 | 65.75 | 65.81 | +0.32% | |
| 65.72 | 66.68 | 65.26 | 65.60 | -1.00% | |
| 64.87 | 67.79 | 64.69 | 66.26 | +2.30% | |
| 63.98 | 64.96 | 62.81 | 64.77 | +1.49% | |
| 64.09 | 64.81 | 63.17 | 63.82 | -2.33% | |
| 63.41 | 65.93 | 63.14 | 65.34 | +3.09% | |
| 63.97 | 64.58 | 62.08 | 63.38 | -0.77% | |
| 61.42 | 63.93 | 61.14 | 63.87 | +3.32% | |
| 58.91 | 62.52 | 58.14 | 61.82 | +4.25% | |
| 58.49 | 59.44 | 57.01 | 59.30 | +1.38% | |
| 61.36 | 61.83 | 58.41 | 58.49 | -4.68% | |
| 60.61 | 62.89 | 60.19 | 61.36 | -0.49% | |
| 68.26 | 68.98 | 61.57 | 61.66 | -8.24% | |
| 66.02 | 67.64 | 65.23 | 67.20 | +1.17% | |
| 65.60 | 67.38 | 65.22 | 66.42 | +1.11% | |
| 67.11 | 67.22 | 65.23 | 65.69 | -2.31% | |
| 67.86 | 67.86 | 67.00 | 67.24 | -0.91% | |
| 67.24 | 67.96 | 66.98 | 67.86 | +0.38% | |
| 67.09 | 67.90 | 66.65 | 67.60 | +0.88% | |
| 66.72 | 67.18 | 66.48 | 67.01 | +0.18% | |
| 66.34 | 67.27 | 66.30 | 66.89 | +0.38% | |
| 66.60 | 66.88 | 65.79 | 66.64 | +0.06% | |
| 65.12 | 66.69 | 64.97 | 66.60 | +2.10% | |
| 64.41 | 65.84 | 63.99 | 65.23 | +0.54% | |
| 65.01 | 65.50 | 64.65 | 64.88 | +0.08% | |
| 63.62 | 65.09 | 63.60 | 64.83 | +1.90% | |
| 64.00 | 64.89 | 63.36 | 63.62 | -0.20% | |
| 68.25 | 68.25 | 62.00 | 63.75 | -6.57% | |
| 67.92 | 68.51 | 67.74 | 68.23 | +1.13% | |
| 67.76 | 68.50 | 67.16 | 67.47 | -0.59% | |
| 67.80 | 68.58 | 67.29 | 67.87 | -0.09% | |
| 66.52 | 68.49 | 66.34 | 67.93 | +2.41% | |
| 67.92 | 67.95 | 66.08 | 66.33 | -2.47% | |
| 67.81 | 68.77 | 67.47 | 68.01 | -0.26% | |
| 69.00 | 69.06 | 68.08 | 68.19 | -1.20% | |
| 68.22 | 69.12 | 68.03 | 69.02 | +1.20% | |
| 68.33 | 68.64 | 67.49 | 68.20 | +0.26% | |
| 67.97 | 69.30 | 67.85 | 68.02 | -1.13% | |
| 68.45 | 68.90 | 67.74 | 68.80 | +1.45% | |
| 68.75 | 69.12 | 67.78 | 67.82 | -1.99% | |
| 67.98 | 69.36 | 67.16 | 69.20 | +2.44% | |
| 67.42 | 68.27 | 66.95 | 67.55 | +0.45% | |
| 65.98 | 67.59 | 65.90 | 67.25 | +2.64% | |
| 66.73 | 66.81 | 64.72 | 65.52 | -0.76% | |
| 66.43 | 66.52 | 65.45 | 66.02 | -1.18% | |
| 67.00 | 67.42 | 66.23 | 66.81 | -0.28% | |
| 68.05 | 69.02 | 66.63 | 67.00 | -1.54% | |
| 68.34 | 69.06 | 67.86 | 68.05 | -0.70% | |
| 68.50 | 69.13 | 68.26 | 68.53 | -0.71% | |
| 68.27 | 69.29 | 67.42 | 69.02 | +0.89% | |
| 67.51 | 68.68 | 66.97 | 68.41 | +1.76% | |
| 67.52 | 67.55 | 66.27 | 67.23 | -0.43% | |
| 67.38 | 68.34 | 66.59 | 67.52 | +0.24% | |
| 70.05 | 70.56 | 67.14 | 67.36 | -4.37% | |
| 69.46 | 70.63 | 69.21 | 70.44 | +0.93% | |
| 69.65 | 70.09 | 68.57 | 69.79 | +0.59% | |
| 67.85 | 70.24 | 67.79 | 69.38 | +0.83% | |
| 68.76 | 69.14 | 66.41 | 68.81 | -1.19% | |
| 70.66 | 70.76 | 68.40 | 69.64 | -1.23% | |
| 72.34 | 72.50 | 63.82 | 70.51 | -9.87% | |
| 77.88 | 78.95 | 77.40 | 78.23 | +0.14% | |
| 77.89 | 79.08 | 77.40 | 78.12 | +0.30% | |
| 78.14 | 78.72 | 77.58 | 77.89 | +0.30% | |
| 77.14 | 77.84 | 76.43 | 77.66 | +0.61% | |
| 77.00 | 78.13 | 76.46 | 77.19 | +0.44% | |
| 74.64 | 76.98 | 74.13 | 76.85 | +2.52% | |
| 74.02 | 75.03 | 73.92 | 74.96 | +1.31% | |
| 74.18 | 74.89 | 73.58 | 73.99 | -0.48% | |
| 75.63 | 76.32 | 73.97 | 74.35 | -1.12% | |
| 75.65 | 75.97 | 74.26 | 75.19 | -0.71% | |
| 74.56 | 76.09 | 74.50 | 75.73 | +0.73% | |
| 76.42 | 76.42 | 75.11 | 75.18 | -0.53% | |
| 77.43 | 77.82 | 75.39 | 75.58 | -2.52% | |
| 79.01 | 79.21 | 77.40 | 77.53 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the CSGP chart for longer ranges.