CoStar Group, Inc. (CSGP) is trading at $36.48, which is -63.4% below its all-time high of $99.74. The Drawdown Severity Score is 11.6, 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: April 10, 2026 at 04:25 PM EDT
CSGP
StockCoStar Group, Inc.
Price
$36.48
as of Apr 10, 2026
All Time High: $99.74
Extreme
Current Drawdown
-63.4%
Days in Drawdown
1586
Avg Max Drawdown
6.3%
Avg Length
57
Drawdown Severity Score™
11.6
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 2026-04-10, the stock is trading at $36.48, which represents a 63.4% decline from its all-time high of $99.74. This drawdown has persisted for 1586 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 11.62. This is our proprietary indicator that shows the relative severity of the current drawdown based on the asset's unique historical patterns. A score between 8.0 and 12.0 indicates an extremely rare, severe drawdown—the asset almost never experiences declines of this magnitude. This often represents a possibly exceptional opportunity for long-term investors with strong conviction.
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 |
|---|---|---|---|---|---|---|
| 2021-12-06 | Ongoing | 1586 days | -63.4% | $99.74 | $36.48 | — |
| 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).
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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 -63.4% has lasted 1,586 days, which is 11.7x 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 |
Learn More About Drawdowns
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Understanding Severity Scores
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The Drawdown Severity Score
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