Aon Plc (NY:AON)
286.80
+11.45
(+4.16%)
Official Closing Price
Updated: 6:30 PM EDT, Oct 15, 2026
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Price and Volume
Detailed Quote| Volume | 2,331,008 |
| Open | 279.85 |
| Bid (Size) | 281.00 (40) |
| Ask (Size) | 287.50 (40) |
| Prev. Close | 275.35 |
| Today's Range | 279.85 - 288.47 |
| 52wk Range | 266.33 - 382.34 |
| Shares Outstanding | 225,747,147 |
| Dividend Yield | 0.57% |
Top News
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These S&P500 stocks are moving in today's session ↗
August 31, 2026
Performance
52-Week Range
25.0% below 52-week high
286.80
266.3352W Low
382.3452W High
1 Week
0.6% below 1-week high
270.031W Low
288.471W High
Aon Plc (AON) traded between $266.33 and $382.34 over the past 52 weeks and last traded at $286.80, 25.0% below its 52-week high. Over the past week it ranged between $270.03 and $288.47.
Past 12 Months
1W
+$9.68
1M
-$24.74
3M
-$68.35
6M
-$41.28
YTD
-$57.47
1Y
-$73.71
AON was -20.4% over the past year, -12.6% over six months, -16.7% year to date, +3.5% in the last week.
12 Months vs Market
AON
-20.4%
DIA
+12.6%
SPY
+16.5%
QQQ
+21.7%
IWM
+11.0%
Over the past 12 months AON returned -20.4% versus DIA (Dow) +12.6%, SPY (S&P 500) +16.5%, QQQ (Nasdaq 100) +21.7% and IWM (Russell 2000) +11.0%.
Volume & Liquidity
1.45× 3-mo avg
Today 2,331,008
3-mo avg 1.6M
1W
1.8M
1M
2.1M
3M
1.6M
6M
1.6M
YTD
1.5M
1Y
1.4M
AON most recently traded 2,331,008 shares against a 3-month average daily volume of 1.6M.
More News
Read More
Aon’s $17B USI Deal Targets Middle-Market Insurance Dominance ↗
August 31, 2026
Aon Launches Sidecar X with $200 Million Capacity Secured
August 17, 2026
Aon (AON) Q2 2026 Earnings Call Transcript ↗
August 07, 2026
AON Q2 Earnings Call Highlights ↗
July 29, 2026
Aon (AON) Q1 2026 Earnings Call Transcript ↗
May 01, 2026
Top S&P500 movers in Friday's session ↗
April 10, 2026
Which S&P500 stocks are moving on Friday? ↗
March 20, 2026
Frequently Asked Questions
Is Aon Plc publicly traded?
Yes, Aon Plc is publicly traded.
What exchange does Aon Plc trade on?
Aon Plc trades on the New York Stock Exchange
What is the ticker symbol for Aon Plc?
The ticker symbol for Aon Plc is AON on the New York Stock Exchange
What is the current price of Aon Plc?
The current price of Aon Plc is 286.80
When was Aon Plc last traded?
The last trade of Aon Plc was at 10/15/26 06:30 PM ET
What is the market capitalization of Aon Plc?
The market capitalization of Aon Plc is 64.74B
How many shares of Aon Plc are outstanding?
Aon Plc has 65B shares outstanding.
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