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AON
Aon plcStock · FinancialsS&P 500 0.1%
$361.67+$5.89 (+1.66%)as of market close, Jul 24, 2026
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AON monthly returns

Aon plc has averaged 1.21% per month, positive in 60% of months. Month-by-month returns for Aon plc (AON) below, through July 24, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.

Average month
+1.2%
499 months
Best month
+53.1%
Mar 2000
Worst month
-35.3%
Jan 2000
Positive months
60%
of all months

Aon plc monthly returns#

Aon plc total return by month
MonthTotal return
Jul 2026
+9.0%
Jun 2026
+5.0%
May 2026
+1.7%
Apr 2026
-3.4%
Mar 2026
-3.8%
Feb 2026
-4.1%
Jan 2026
-0.9%
Dec 2025
-0.3%
Nov 2025
+3.9%
Oct 2025
-4.5%
Sep 2025
-2.8%
Aug 2025
+3.4%

Monthly total return (since Aug 2021)

-15%-10%-5%+0%+5%+10%+15%
20222023202420252026

Methodology#

Monthly returns are total returns (dividends reinvested), computed from AON's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.

See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum

FAQ

What is Aon plc's average monthly return?
Aon plc (AON) has averaged about 1.21% per month, positive in roughly 60% of months. The best month was Mar 2000 (+53.1%) and the worst was Jan 2000 (-35.3%).