CoStar Group, Inc. (CSGP) is trading at $33.95, which is -66.0% below its all-time high of $99.74. The Drawdown Severity Score is 12.1, placing it in the red (severe) zone. Over its tracked history, CSGP has experienced 145 significant drawdown events with an average maximum drawdown of -6.3%.
Data last updated: May 25, 2026 at 05:11 PM EDT
CSGP
StockCoStar Group, Inc.
Price
$33.95
as of May 22, 2026
All Time High: $99.74
Historic
Current Drawdown
-66.0%
Days in Drawdown
1616
Avg Max Drawdown
6.3%
Avg Length
57
Drawdown Severity Score™
12.1
CSGP - Price & High Water Mark
CSGP - Drawdown Timeline
How to read this chart: Negative values indicate drawdowns from all-time highs. Values closer to 0% mean the stock is near its high water mark.
CoStar Group, Inc. (CSGP) Analysis: Current Drawdown Insights
CoStar Group, Inc. is currently experiencing an unusual drawdown opportunity. As of 2026-05-22, the stock is trading at $33.95, which represents a 66.0% decline from its all-time high of $99.74. This drawdown has persisted for 1616 days.
Based on comprehensive historical analysis spanning 14 years, CoStar Group, Inc. typically experiences drawdowns averaging 6.3% in depth, with an average duration of 57 days. CoStar Group, Inc. has gone through 145 total drawdown events in the last 14 years. The largest drawdown for CoStar Group, Inc. in the last 14 years was 29.3%. The longest drawdown duration in its history was 244 days.
The Drawdown Severity Score™ for CoStar Group, Inc. currently stands at 12.08. This is our proprietary indicator that shows the relative severity of the current drawdown based on the asset's unique historical patterns. A score above 12.0 indicates a historic, once-in-a-decade event—an extraordinarily rare drawdown that may represent a possible generational buying opportunity or signal fundamental changes worth investigating.
Understanding Drawdowns: A drawdown measures how far a stock has fallen from its peak price. Every stock experiences drawdowns—periods when the price declines from all-time highs before recovering. By analyzing CoStar Group, Inc.'s historical drawdown patterns, investors can identify when the stock is experiencing a typical market fluctuation versus an unusual decline that may represent a buying opportunity.
📜 Historical Drawdown Events
Current drawdown shown in blue. Complete record of all 145 historical pullbacks below.
| Start Date | End Date | Duration | Max Depth | Start Price | Lowest Price | Recovery Price |
|---|---|---|---|---|---|---|
| 2021-12-18 | Ongoing | 1616 days | -66.0% | $99.74 | $33.95 | — |
| 2021-10-25 | 2021-10-26 | 2 days | -0.1% | $99.29 | $99.19 | $99.74 |
| 2021-02-16 | 2021-10-18 | 244 days | -19.3% | $93.98 | $75.85 | $94.94 |
| 2020-12-29 | 2021-02-12 | 46 days | -9.1% | $93.95 | $85.37 | $93.98 |
| 2020-11-16 | 2020-12-28 | 43 days | -7.5% | $91.71 | $84.84 | $93.95 |
| 2020-11-10 | 2020-11-13 | 4 days | -2.8% | $91.19 | $88.61 | $91.71 |
| 2020-11-06 | 2020-11-09 | 4 days | -0.1% | $90.36 | $90.26 | $91.19 |
| 2020-10-14 | 2020-11-04 | 22 days | -10.2% | $88.32 | $79.33 | $90.25 |
| 2020-09-03 | 2020-10-12 | 40 days | -10.5% | $87.78 | $78.57 | $88.23 |
| 2020-08-26 | 2020-09-01 | 7 days | -1.5% | $85.42 | $84.17 | $87.34 |
| 2020-08-03 | 2020-08-24 | 22 days | -4.7% | $84.98 | $81.02 | $85.30 |
| 2020-02-13 | 2020-07-29 | 167 days | -29.3% | $74.01 | $52.34 | $82.91 |
| 2020-02-05 | 2020-02-12 | 8 days | -2.9% | $68.57 | $66.55 | $74.01 |
| 2020-01-23 | 2020-02-04 | 13 days | -3.5% | $66.96 | $64.64 | $68.57 |
| 2020-01-17 | 2020-01-21 | 5 days | -0.4% | $65.20 | $64.96 | $66.04 |
| 2020-01-13 | 2020-01-15 | 3 days | -0.8% | $64.51 | $63.99 | $64.90 |
| 2019-07-29 | 2020-01-10 | 166 days | -14.3% | $63.43 | $54.36 | $64.51 |
| 2019-07-12 | 2019-07-24 | 13 days | -1.3% | $58.80 | $58.06 | $62.79 |
| 2019-07-05 | 2019-07-09 | 5 days | -0.5% | $56.55 | $56.25 | $56.70 |
| 2019-06-24 | 2019-07-03 | 10 days | -4.6% | $56.05 | $53.47 | $56.55 |
| 2019-06-20 | 2019-06-21 | 2 days | -0.2% | $55.67 | $55.55 | $56.05 |
| 2019-06-11 | 2019-06-17 | 7 days | -1.0% | $55.05 | $54.48 | $55.46 |
| 2019-06-07 | 2019-06-10 | 4 days | -0.0% | $54.00 | $53.99 | $55.05 |
| 2019-05-23 | 2019-06-05 | 14 days | -5.4% | $52.79 | $49.96 | $53.01 |
| 2019-05-17 | 2019-05-21 | 5 days | -0.3% | $51.90 | $51.72 | $52.49 |
| 2019-05-07 | 2019-05-15 | 9 days | -3.5% | $50.62 | $48.85 | $51.11 |
| 2019-05-03 | 2019-05-06 | 4 days | -0.5% | $50.15 | $49.89 | $50.62 |
| 2019-05-01 | 2019-05-02 | 2 days | -0.1% | $49.63 | $49.60 | $50.15 |
| 2019-04-24 | 2019-04-30 | 7 days | -4.2% | $49.51 | $47.44 | $49.63 |
| 2019-04-16 | 2019-04-23 | 8 days | -1.7% | $48.90 | $48.06 | $49.51 |
| 2019-04-08 | 2019-04-12 | 5 days | -1.8% | $48.40 | $47.54 | $48.74 |
| 2019-04-04 | 2019-04-05 | 2 days | -1.3% | $48.38 | $47.77 | $48.40 |
| 2019-04-02 | 2019-04-03 | 2 days | -0.2% | $47.95 | $47.87 | $48.38 |
| 2019-03-04 | 2019-04-01 | 28 days | -4.2% | $47.69 | $45.69 | $47.95 |
| 2018-09-05 | 2019-02-27 | 176 days | -28.3% | $44.67 | $32.04 | $45.43 |
| 2018-08-30 | 2018-08-31 | 2 days | -0.2% | $44.21 | $44.10 | $44.22 |
| 2018-08-28 | 2018-08-29 | 2 days | -0.1% | $43.88 | $43.84 | $44.21 |
| 2018-07-26 | 2018-08-27 | 33 days | -5.3% | $43.77 | $41.46 | $43.88 |
| 2018-07-24 | 2018-07-25 | 2 days | -1.5% | $43.08 | $42.41 | $43.77 |
| 2018-07-10 | 2018-07-23 | 14 days | -2.2% | $42.89 | $41.95 | $43.08 |
| 2018-06-21 | 2018-07-06 | 16 days | -4.3% | $41.72 | $39.95 | $42.24 |
| 2018-06-19 | 2018-06-20 | 2 days | -0.6% | $41.69 | $41.46 | $41.72 |
| 2018-06-13 | 2018-06-15 | 3 days | -1.1% | $41.10 | $40.63 | $41.40 |
| 2018-06-07 | 2018-06-08 | 2 days | -0.5% | $40.13 | $39.93 | $40.19 |
| 2018-05-11 | 2018-06-05 | 26 days | -4.5% | $39.35 | $37.59 | $39.64 |
| 2018-04-25 | 2018-05-07 | 13 days | -4.8% | $38.50 | $36.67 | $38.60 |
| 2018-04-19 | 2018-04-24 | 6 days | -2.3% | $37.77 | $36.89 | $38.50 |
| 2018-03-21 | 2018-04-17 | 28 days | -6.6% | $37.58 | $35.11 | $37.68 |
| 2018-03-19 | 2018-03-20 | 2 days | -0.5% | $36.78 | $36.60 | $37.58 |
| 2018-03-15 | 2018-03-16 | 2 days | -0.2% | $36.44 | $36.36 | $36.78 |
| 2018-03-12 | 2018-03-13 | 2 days | -0.5% | $36.12 | $35.94 | $36.31 |
How to read: Each row shows a complete drawdown from peak to recovery. Red rows = most severe drawdowns (worst 20% or 5x+ average), yellow rows = moderate (2x-5x worse than average).
Don't Miss the Next Rare Buying Opportunity
See 9 real alerts from the past 5 years with actual returns
Average gain: +988% • Real alerts • Real results
Or explore current opportunities:
CSGP Price History and Drawdown Data
Latest price
$33.95
High-water mark
$99.74
Current drawdown
-66.0%
Days in drawdown
1,616
This CSGP page is built around daily price history, the latest high-water mark, current drawdown depth, drawdown duration, and comparable historical drawdown events. The chart above provides the price-history context, while the sections below explain how the current move compares with prior CoStar Group, Inc. drawdowns.
What History Says About CSGP
CoStar Group, Inc. has dropped 10%+ from its high 6 times in its tracked history. These events lasted an average of 136 days with an average max drop of -18.6%.
The current drawdown of -66.0% has lasted 1,616 days, which is 11.9x the average duration of comparable events.
| Period | Max Drop | Duration |
|---|---|---|
| Feb 2020 to Jul 2020 | -29.3% | 167 days |
| Sep 2018 to Feb 2019 | -28.3% | 176 days |
| Feb 2021 to Oct 2021 | -19.3% | 244 days |
| Jul 2019 to Jan 2020 | -14.3% | 166 days |
| Sep 2020 to Oct 2020 | -10.5% | 40 days |
| Oct 2020 to Nov 2020 | -10.2% | 22 days |
Track CSGP in a weekly digest
Get one weekly drawdown digest and a reminder to build a watchlist for tickers like CoStar Group, Inc.. No per-article blasts.
Learn More About Drawdowns
What is a Drawdown?
Definition, formula, and real examples
Understanding Severity Scores
How our scoring compares to maximum drawdown
Our Methodology
Technical details behind the data
The Drawdown Severity Score
Our proprietary scoring algorithm explained
Latest Analysis
Blog posts and market commentary
Signal of the Day
A daily drawdown signal from the full market database
Explore All Tickers
Browse stocks, ETFs, and crypto drawdowns