Aon plc Class A Ordinary Shares (Ireland) (AON)
Showing Closing Date Range from Sep, 14, 2025 to Sep, 14, 2026 compared to Sep, 13, 2024 to Sep, 13, 2025.
Compare Last 12 Months with Previous Period
Current Period Close
$311.54
Sep 14, 2025 - Sep 14, 2026
Previous Period Close
$371.95
Sep 13, 2024 - Sep 13, 2025
Net Comparison Delta
$-60.41 (-16.24%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(251 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Sep 14, 2026 | $311.54 | - | - | - |
| Sep 11, 2026 | $302.69 | Sep 12, 2025 | $371.95 | -18.62% |
| Sep 10, 2026 | $307.77 | Sep 11, 2025 | $372.25 | -17.32% |
| Sep 09, 2026 | $304.69 | Sep 10, 2025 | $362.37 | -15.92% |
| Sep 08, 2026 | $315.79 | Sep 09, 2025 | $366.38 | -13.81% |
| Sep 04, 2026 | $323.09 | Sep 08, 2025 | $370.01 | -12.68% |
| Sep 03, 2026 | $327.00 | Sep 05, 2025 | $370.54 | -11.75% |
| Sep 02, 2026 | $330.88 | Sep 04, 2025 | $373.49 | -11.41% |
| Sep 01, 2026 | $326.30 | Sep 03, 2025 | $374.00 | -12.75% |
| Aug 31, 2026 | $321.52 | Sep 02, 2025 | $371.96 | -13.56% |
| Aug 28, 2026 | $355.40 | Aug 29, 2025 | $367.00 | -3.16% |
| Aug 27, 2026 | $349.56 | Aug 28, 2025 | $366.54 | -4.63% |
| Aug 26, 2026 | $353.98 | Aug 27, 2025 | $368.37 | -3.91% |
| Aug 25, 2026 | $354.83 | Aug 26, 2025 | $369.00 | -3.84% |
| Aug 24, 2026 | $359.10 | Aug 25, 2025 | $370.94 | -3.19% |
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