stockNYSE: AON • 12 Months Updates
Aon plc Class A Ordinary Shares (Ireland) (AON) 12 Months
Showing Closing Date Range from Oct 30, 2025 to Oct 30, 2026.
Investor Relations:ir.aon.com
Price & Performance Trajectory
Aon plc Class A Ordinary Shares (Ireland)NYSE: AON
Latest Close
$321.67
12 Months Updates Trajectory
Showing Closing Date Range from Oct 30, 2025 to Oct 30, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesAON session performance
✓ Latest Close USD
$321.67
Latest session close
$-6.52vs period start
Period Return % % GAIN
-1.99%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$382.34 / $266.33
Period range envelope
$116.01channel spread
Total Volume SHARES
364.77M
Period turnover
Avg: 1.45M/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(251 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 30, 2026 | $321.67 | +0.01% | $329.43 | $321.53 | 1.82M |
| Oct 29, 2026 | $321.64 | +1.88% | $323.54 | $314.01 | 1.97M |
| Oct 28, 2026 | $315.72 | +4.37% | $318.72 | $307.29 | 2.64M |
| Oct 27, 2026 | $302.50 | +0.15% | $303.71 | $295.52 | 2.86M |
| Oct 26, 2026 | $302.06 | -0.48% | $303.49 | $299.13 | 1.41M |
| Oct 23, 2026 | $303.52 | -1.07% | $307.62 | $301.78 | 1.11M |
| Oct 22, 2026 | $306.80 | +4.23% | $306.95 | $296.01 | 1.53M |
| Oct 21, 2026 | $294.35 | -0.80% | $297.00 | $293.32 | 1.01M |
| Oct 20, 2026 | $296.71 | +2.41% | $298.52 | $290.00 | 1.47M |
| Oct 19, 2026 | $289.74 | -0.96% | $291.91 | $287.18 | 1.44M |
| Oct 16, 2026 | $292.55 | +2.00% | $292.73 | $287.74 | 1.82M |
| Oct 15, 2026 | $286.80 | +4.16% | $288.47 | $279.85 | 2.32M |
| Oct 14, 2026 | $275.35 | +0.23% | $277.25 | $272.05 | 1.64M |
| Oct 13, 2026 | $274.71 | -0.03% | $277.62 | $272.39 | 1.45M |
| Oct 12, 2026 | $274.78 | +0.48% | $275.93 | $273.24 | 1.57M |
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