stockNYSE: AON • 28 Days Updates
Aon plc Class A Ordinary Shares (Ireland) (AON)
Showing Closing Date Range from Sep 11 to Oct 9, 2026.
Aon provides risk management and insurance services globally, trading among NYSE Stocks. Shares last closed at $273.47, moving +1.49% over the past week and -9.65% across 28 days. Longer term, the stock is -25.56% over 3 months, -15.96% over 6 months and -24.12% over 12 months. Major market leaders INTC (Intel) (+1.71%), NVDA (NVIDIA) (+5.03%), AAPL (Apple) (+1.32%), TSLA (Tesla) (+4.72%) and ORCL (Oracle) (-5.91%) moved over the same 28-day stretch, for comparison.
Investor Relations:ir.aon.com
Price & Performance Trajectory
Aon plc Class A Ordinary Shares (Ireland)NYSE: AON
Latest Close
$273.47
28 Days Updates Trajectory
Showing Closing Date Range from Sep 11 to Oct 9, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesAON session performance
✓ Latest Close USD
$273.47
Latest session close
$-29.22vs period start
Period Return % % GAIN
-9.65%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$312.39 / $266.33
Period range envelope
$46.06channel spread
Total Volume SHARES
40.64M
Period turnover
Avg: 2.03M/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(20 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 09, 2026 | $273.47 | -1.32% | $277.03 | $272.83 | 1.80M |
| Oct 08, 2026 | $277.12 | +2.46% | $277.90 | $270.03 | 1.95M |
| Oct 07, 2026 | $270.47 | -1.28% | $275.31 | $269.75 | 1.54M |
| Oct 06, 2026 | $273.99 | +0.71% | $274.71 | $270.10 | 1.21M |
| Oct 05, 2026 | $272.05 | +0.96% | $272.37 | $266.33 | 1.30M |
| Oct 02, 2026 | $269.45 | -2.36% | $276.39 | $268.90 | 1.60M |
| Sep 30, 2026 | $275.15 | -0.27% | $276.28 | $274.32 | 221.2K |
| Sep 29, 2026 | $275.90 | +1.40% | $276.97 | $269.02 | 1.99M |
| Sep 28, 2026 | $272.10 | -2.12% | $278.40 | $270.00 | 1.85M |
| Sep 25, 2026 | $277.99 | +0.69% | $280.98 | $276.52 | 1.63M |
| Sep 24, 2026 | $276.09 | -1.96% | $283.03 | $275.38 | 2.71M |
| Sep 23, 2026 | $281.60 | -1.57% | $286.80 | $281.18 | 1.79M |
| Sep 22, 2026 | $286.10 | -1.62% | $293.55 | $282.76 | 2.54M |
| Sep 21, 2026 | $290.82 | -1.63% | $297.87 | $290.70 | 1.94M |
| Sep 18, 2026 | $295.64 | -0.14% | $297.73 | $293.00 | 3.19M |
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