Borsa Italiana · 1CSGP · stock
CoStar Group, Inc. (1CSGP) stock price history
Every Borsa Italiana trading session of CoStar Group, Inc. from Nov 18, 2024 to Sep 28, 2026: 469 daily bars, adjusted for splits and dividends, with minute bars from Sep 22, 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.
1CSGP adjusted close, 2024 to 2026
- €77.48
- All time high, 2024
- €76.68
- 52 week high, €23.42 low
- 469
- Daily sessions since 2024
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2024 to 2026 series and minute bars.
1CSGP key facts
- CoStar Group, Inc. (1CSGP) closed at €23.73 on Sep 28, 2026 on Borsa Italiana.
- 1CSGP's all time high close is €77.48, set on Nov 25, 2024; its all time low close is €23.73 on Sep 28, 2026.
- 1CSGP's 52 week range is €23.42 to €76.68.
- 1CSGP returned -69.1% over the year to Sep 28, 2026.
- Since Nov 18, 2024 1CSGP returned -65%, -43.3% a year compounded.
- 1CSGP's deepest drawdown was -69.4% from Dec 6, 2024 to Sep 28, 2026.
- DataCedar holds 469 daily sessions of 1CSGP history from Nov 18, 2024 and minute bars from Sep 22, 2026, adjusted for splits and dividends, served by the API under a key.
1CSGP price chart, 2024 to 2026
1CSGP returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -13.8% |
| 3 months | -11.8% |
| 6 months | -37.9% |
| Year to date | -58.6% |
| 1 year | -69.1% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Nov 18, 2024 | -65.2% |
| Compound annual growth, 1.9 years | -43.3% |
1CSGP records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €77.48 on Nov 25, 2024
- All time low close
- €23.73 on Sep 28, 2026
- 52 week high
- €76.68 on Sep 30, 2025
- 52 week low
- €23.42 on Jul 14, 2026
- Deepest drawdown
- -69.4% from Dec 6, 2024 to Sep 28, 2026, not yet recovered
- Best single session
- +13.7% on Nov 25, 2024
- Worst single session
- -26.3% on Oct 29, 2025
- Volatility, 1 year annualised
- 50.0%
- Sessions closing higher, 1 year
- 10%
- Best calendar year
- 2025, -22%
- Worst calendar year
- 2025, -22%
1CSGP 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. 2024 starts on Nov 18, 2024; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €57.31 | €57.31 | €23.42 | €23.73 | -58.6% | 15.7K | 189 |
| 2025 | €73.67 | €76.80 | €55.30 | €57.31 | -22.2% | 539 | 252 |
| 2024 | €67.57 | €77.97 | €67.57 | €73.67 | n/a | 260 | 28 |
1CSGP monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €23.73 | -13.8% |
| August 2026 | €27.51 | +11.2% |
| July 2026 | €24.75 | -8.0% |
| June 2026 | €26.90 | -3.4% |
| May 2026 | €27.83 | -9.8% |
| April 2026 | €30.87 | -19.3% |
| March 2026 | €38.23 | -0.0% |
| February 2026 | €38.24 | -26.0% |
| January 2026 | €51.70 | -9.8% |
| December 2025 | €57.31 | -5.8% |
| November 2025 | €60.87 | +1.2% |
| October 2025 | €60.12 | -21.6% |
About the 1CSGP data
Daily bars. 469 sessions from Nov 18, 2024 to Sep 28, 2026, one row per Borsa Italiana 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 Sep 22, 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 Borsa Italiana trading days; minute timestamps are UTC. Prices are in EUR. 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 Nov 18, 2024, 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/1CSGP/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Borsa Italiana
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Common questions
1CSGP share price history
