Aon plc (AON) is trading at $324.78, which is -20.3% below its all-time high of $407.61. The Drawdown Severity Score is 4.7, placing it in the yellow (elevated) zone. Over its tracked history, AON has experienced 287 significant drawdown events with an average maximum drawdown of -3.6%.
Data last updated: May 25, 2026 at 05:10 PM EDT
AON
StockAon plc
Price
$324.78
as of May 22, 2026
All Time High: $407.61
Significant
Current Drawdown
-20.3%
Days in Drawdown
392
Avg Max Drawdown
3.6%
Avg Length
47
Drawdown Severity Score™
4.7
AON - Price & High Water Mark
AON - 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.
Aon plc (AON) Analysis: Current Drawdown Insights
Aon plc is currently experiencing an unusual drawdown opportunity. As of 2026-05-22, the stock is trading at $324.78, which represents a 20.3% decline from its all-time high of $407.61. This drawdown has persisted for 392 days.
Based on comprehensive historical analysis spanning 14 years, Aon plc typically experiences drawdowns averaging 3.6% in depth, with an average duration of 47 days. Aon plc has gone through 287 total drawdown events in the last 14 years. The largest drawdown for Aon plc in the last 14 years was 38.7%. The longest drawdown duration in its history was 424 days.
The Drawdown Severity Score™ for Aon plc currently stands at 4.68. 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 3.0 and 5.0 indicates an elevated drawdown that's larger than historical averages—may present an entry point for opportunistic investors.
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 Aon plc'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 287 historical pullbacks below.
| Start Date | End Date | Duration | Max Depth | Start Price | Lowest Price | Recovery Price |
|---|---|---|---|---|---|---|
| 2025-04-25 | Ongoing | 392 days | -20.3% | $407.61 | $324.78 | — |
| 2025-02-20 | 2025-02-25 | 6 days | -1.3% | $393.22 | $387.93 | $395.90 |
| 2024-11-29 | 2025-02-19 | 83 days | -11.4% | $390.95 | $346.35 | $393.22 |
| 2024-11-14 | 2024-11-25 | 12 days | -2.7% | $384.60 | $374.07 | $387.38 |
| 2024-11-11 | 2024-11-13 | 3 days | -0.1% | $381.48 | $381.08 | $384.60 |
| 2024-11-07 | 2024-11-08 | 2 days | -0.4% | $378.99 | $377.59 | $381.48 |
| 2024-10-28 | 2024-11-06 | 10 days | -2.8% | $372.50 | $362.23 | $378.99 |
| 2024-10-10 | 2024-10-25 | 16 days | -1.5% | $356.22 | $350.91 | $372.50 |
| 2024-09-11 | 2024-10-08 | 28 days | -2.0% | $348.31 | $341.22 | $351.20 |
| 2024-09-06 | 2024-09-09 | 4 days | -0.2% | $346.07 | $345.30 | $347.75 |
| 2023-07-03 | 2024-08-29 | 424 days | -19.4% | $338.94 | $273.10 | $340.77 |
| 2023-05-15 | 2023-06-29 | 46 days | -8.3% | $330.07 | $302.70 | $335.92 |
| 2023-05-10 | 2023-05-11 | 2 days | -0.3% | $328.85 | $327.71 | $329.14 |
| 2023-04-24 | 2023-05-09 | 16 days | -3.8% | $326.94 | $314.53 | $328.85 |
| 2023-04-19 | 2023-04-20 | 2 days | -0.8% | $325.25 | $322.51 | $326.43 |
| 2022-04-12 | 2023-04-18 | 372 days | -25.4% | $324.55 | $242.18 | $325.25 |
| 2022-04-04 | 2022-04-06 | 3 days | -0.9% | $319.90 | $317.12 | $321.49 |
| 2022-03-31 | 2022-04-01 | 2 days | -0.2% | $317.53 | $316.79 | $319.90 |
| 2022-03-29 | 2022-03-30 | 2 days | -0.1% | $317.36 | $317.13 | $317.53 |
| 2021-10-29 | 2022-03-25 | 148 days | -18.3% | $311.28 | $254.29 | $314.17 |
| 2021-10-25 | 2021-10-28 | 4 days | -1.2% | $311.02 | $307.19 | $311.28 |
| 2021-10-18 | 2021-10-19 | 2 days | -1.1% | $299.86 | $296.55 | $300.07 |
| 2021-09-27 | 2021-10-13 | 17 days | -4.6% | $290.03 | $276.57 | $291.49 |
| 2021-09-23 | 2021-09-24 | 2 days | -0.3% | $289.95 | $289.18 | $290.03 |
| 2021-09-16 | 2021-09-22 | 7 days | -1.9% | $284.69 | $279.22 | $289.95 |
| 2021-09-14 | 2021-09-15 | 2 days | -0.3% | $283.62 | $282.78 | $284.69 |
| 2021-09-10 | 2021-09-13 | 4 days | -0.0% | $283.45 | $283.37 | $283.62 |
| 2021-09-07 | 2021-09-09 | 3 days | -1.2% | $282.53 | $279.19 | $283.45 |
| 2021-08-18 | 2021-08-25 | 8 days | -1.7% | $272.23 | $267.64 | $272.39 |
| 2021-08-04 | 2021-08-10 | 7 days | -1.8% | $256.00 | $251.49 | $259.20 |
| 2021-07-30 | 2021-08-03 | 5 days | -1.3% | $255.22 | $252.00 | $256.00 |
| 2021-05-10 | 2021-07-27 | 79 days | -12.3% | $250.14 | $219.44 | $251.17 |
| 2021-04-14 | 2021-04-29 | 16 days | -4.1% | $230.99 | $221.61 | $231.02 |
| 2021-04-08 | 2021-04-09 | 2 days | -0.5% | $228.13 | $226.90 | $228.83 |
| 2020-02-20 | 2021-04-07 | 412 days | -38.7% | $227.10 | $139.15 | $228.13 |
| 2020-02-18 | 2020-02-19 | 2 days | -0.2% | $225.47 | $225.03 | $227.10 |
| 2020-02-12 | 2020-02-13 | 2 days | -0.1% | $221.16 | $220.87 | $224.37 |
| 2020-01-27 | 2020-01-28 | 2 days | -0.7% | $203.73 | $202.32 | $206.72 |
| 2020-01-21 | 2020-01-22 | 2 days | -0.3% | $202.23 | $201.66 | $202.28 |
| 2019-12-23 | 2020-01-16 | 25 days | -1.5% | $200.39 | $197.41 | $200.60 |
| 2019-12-18 | 2019-12-19 | 2 days | -0.8% | $198.17 | $196.67 | $200.20 |
| 2019-12-09 | 2019-12-13 | 5 days | -0.4% | $196.63 | $195.85 | $196.79 |
| 2019-11-29 | 2019-12-06 | 8 days | -2.1% | $194.99 | $190.91 | $196.63 |
| 2019-11-21 | 2019-11-26 | 6 days | -1.4% | $192.38 | $189.77 | $194.00 |
| 2019-11-18 | 2019-11-19 | 2 days | -0.4% | $189.68 | $188.91 | $190.55 |
| 2019-07-05 | 2019-11-14 | 133 days | -7.5% | $188.61 | $174.53 | $189.34 |
| 2019-06-25 | 2019-07-01 | 7 days | -1.9% | $183.89 | $180.44 | $185.43 |
| 2019-06-21 | 2019-06-24 | 4 days | -0.8% | $183.89 | $182.47 | $183.89 |
| 2019-06-11 | 2019-06-19 | 9 days | -1.1% | $181.37 | $179.42 | $182.45 |
| 2019-05-31 | 2019-06-03 | 4 days | -0.9% | $172.72 | $171.11 | $173.04 |
| 2019-05-17 | 2019-05-30 | 14 days | -2.2% | $172.66 | $168.94 | $172.72 |
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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AON Price History and Drawdown Data
Latest price
$324.78
High-water mark
$407.61
Current drawdown
-20.3%
Days in drawdown
392
This AON 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 Aon plc drawdowns.
What History Says About AON
Aon plc has dropped 5%+ from its high 8 times in its tracked history. These events lasted an average of 212 days with an average max drop of -17.7%.
The current drawdown of -20.3% has lasted 392 days, which is 1.8x the average duration of comparable events.
| Period | Max Drop | Duration |
|---|---|---|
| Feb 2020 to Apr 2021 | -38.7% | 412 days |
| Apr 2022 to Apr 2023 | -25.4% | 372 days |
| Jul 2023 to Aug 2024 | -19.4% | 424 days |
| Oct 2021 to Mar 2022 | -18.3% | 148 days |
| May 2021 to Jul 2021 | -12.3% | 79 days |
| Nov 2024 to Feb 2025 | -11.4% | 83 days |
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