Nasdaq · CSGP · stock
Costar Group, INC. (CSGP) stock price history
Every Nasdaq trading session of Costar Group, INC. from Jul 1, 1998 to Sep 28, 2026: 7,104 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
CSGP adjusted close, 1998 to 2026
- $99.74
- All time high, 2021
- $85.24
- 52 week high, $25.89 low
- 7,104
- Daily sessions since 1998
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1998 to 2026 series and minute bars.
CSGP key facts
- Costar Group, INC. (CSGP) closed at $27.02 on Sep 28, 2026 on Nasdaq.
- CSGP's all time high close is $99.74, set on Oct 26, 2021; its all time low close is $0.5500 on Sep 11, 1998.
- CSGP's 52 week range is $25.89 to $85.24.
- CSGP returned -67.8% over the year to Sep 28, 2026 and -68.4% over five years.
- Over ten years CSGP returned +22%, +2.0% a year compounded.
- CSGP's deepest drawdown was -72.9% from Oct 26, 2021 to Sep 28, 2026.
- DataCedar holds 7,104 daily sessions of CSGP history from Jul 1, 1998 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
CSGP price chart, 1998 to 2026
CSGP returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -16.1% |
| 3 months | -10.7% |
| 6 months | -32.1% |
| Year to date | -60.2% |
| 1 year | -67.8% |
| 3 years | -64.8% |
| 5 years | -68.4% |
| 10 years | +21.5% |
| Since Jul 1, 1998 | +2,841% |
| Compound annual growth, 28.2 years | +12.7% |
CSGP records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $99.74 on Oct 26, 2021
- All time low close
- $0.5500 on Sep 11, 1998
- 52 week high
- $85.24 on Oct 6, 2025
- 52 week low
- $25.89 on Jul 29, 2026
- Deepest drawdown
- -72.9% from Oct 26, 2021 to Sep 28, 2026, not yet recovered
- Best single session
- +40.5% on Jan 7, 1999
- Worst single session
- -19.7% on Apr 19, 1999
- Volatility, 1 year annualised
- 45.2%
- Sessions closing higher, 1 year
- 45%
- Growth of 1 since 1998
- 29.4×
- Best calendar year
- 1999, +184%
- Worst calendar year
- 2000, -34%
CSGP price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1998 starts on Jul 1, 1998; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $67.11 | $70.57 | $25.89 | $27.02 | -59.8% | 1.3B | 185 |
| 2025 | $72.17 | $97.43 | $62.00 | $67.24 | -6.1% | 831.1M | 250 |
| 2024 | $86.87 | $100.38 | $68.26 | $71.59 | -18.1% | 605.1M | 252 |
| 2023 | $78.29 | $92.36 | $65.12 | $87.39 | +13.1% | 551.2M | 250 |
| 2022 | $79.35 | $85.37 | $49.00 | $77.28 | -2.2% | 649.9M | 251 |
| 2021 | $93.22 | $101.05 | $74.31 | $79.03 | -14.5% | 572M | 252 |
| 2020 | $60.50 | $95.12 | $50.02 | $92.43 | +54.5% | 655.3M | 253 |
| 2019 | $33.28 | $63.94 | $32.51 | $59.83 | +77.4% | 634.8M | 252 |
| 2018 | $29.83 | $44.83 | $29.54 | $33.73 | +13.6% | 561.3M | 251 |
| 2017 | $18.93 | $31.47 | $18.49 | $29.69 | +57.5% | 507.5M | 251 |
| 2016 | $20.33 | $22.48 | $14.65 | $18.85 | -8.8% | 505.6M | 252 |
| 2015 | $18.46 | $22.35 | $16.35 | $20.67 | +12.6% | 432.6M | 252 |
| 2014 | $18.39 | $21.82 | $13.44 | $18.36 | -0.5% | 661.5M | 252 |
| 2013 | $9.15 | $18.84 | $8.90 | $18.46 | +106.5% | 303.5M | 252 |
| 2012 | $6.82 | $9.03 | $5.61 | $8.94 | +33.9% | 394.8M | 250 |
| 2011 | $5.81 | $7.34 | $4.64 | $6.67 | +15.9% | 387.6M | 252 |
| 2010 | $4.24 | $5.80 | $3.74 | $5.76 | +37.8% | 276.8M | 252 |
| 2009 | $3.30 | $4.45 | $2.41 | $4.18 | +26.8% | 454.1M | 252 |
| 2008 | $4.71 | $6.11 | $2.54 | $3.29 | -30.3% | 676.5M | 253 |
| 2007 | $5.40 | $6.31 | $4.30 | $4.72 | -11.8% | 388.5M | 251 |
| 2006 | $4.34 | $6.26 | $3.74 | $5.36 | +24.1% | 331.7M | 251 |
| 2005 | $4.60 | $5.07 | $3.29 | $4.32 | -6.5% | 321.4M | 252 |
| 2004 | $4.12 | $4.94 | $3.54 | $4.62 | +10.7% | 272.1M | 252 |
| 2003 | $1.91 | $4.32 | $1.76 | $4.17 | +126.0% | 183.9M | 252 |
| 2002 | $2.45 | $2.61 | $1.58 | $1.85 | -23.2% | 136M | 252 |
| 2001 | $2.34 | $3.08 | $1.40 | $2.40 | +1.6% | 117.9M | 248 |
| 2000 | $3.54 | $5.37 | $1.83 | $2.36 | -34.1% | 188.8M | 252 |
| 1999 | $1.34 | $4.86 | $1.26 | $3.59 | +184.2% | 192.1M | 252 |
| 1998 | $0.9000 | $1.50 | $0.5500 | $1.26 | n/a | 39.8M | 128 |
CSGP monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $27.02 | -15.7% |
| August 2026 | $32.07 | +11.5% |
| July 2026 | $28.76 | +1.6% |
| June 2026 | $28.32 | -12.0% |
| May 2026 | $32.20 | -7.0% |
| April 2026 | $34.61 | -14.2% |
| March 2026 | $40.34 | -9.6% |
| February 2026 | $44.63 | -27.4% |
| January 2026 | $61.50 | -8.5% |
| December 2025 | $67.24 | -2.3% |
| November 2025 | $68.80 | -0.0% |
| October 2025 | $68.81 | -18.4% |
About the CSGP data
Daily bars. 7,104 sessions from Jul 1, 1998 to Sep 28, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jul 1, 1998, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/CSGP/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
CSGP share price history
