institutional
AO
NYSE · AON
Aon plc
Financial Services · Insurance - Brokers
$296.71
Up+$6.91 (+2.38%)
Updated Oct 21, 2026, 5:10 AM
SID Score
6.4/10
Composite research score
Smart Money
58/100
Neutral
- Market cap
- 72.1B
- P/E ratio
- 19.53
- Dividend yield
- 0.98%
- 52-week range
- $266.33 – $382.34
- Volume
- 1.48M
- Avg. volume
- 1.3M
Price performance · AON
AON price history
1M range · 21 trading sessions · Daily adjusted prices
Prices through Oct 20, 2026
AON closed at $296.71 after 21 trading sessions, up 3.71% for the selected period.
- Last close
- $296.71
- Period change
- +3.71%
- Period low
- $269.45
- Period high
- $296.71
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 20, 2026 | $292.59 | $298.55 | $290.00 | $296.71 | 1.48M |
| Oct 19, 2026 | $289.03 | $291.91 | $287.18 | $289.74 | 1.52M |
| Oct 16, 2026 | $288.79 | $292.73 | $287.74 | $292.55 | 1.84M |
| Oct 15, 2026 | $279.85 | $288.47 | $279.85 | $286.80 | 2.33M |
| Oct 14, 2026 | $275.63 | $277.25 | $272.0425 | $275.35 | 1.7M |
| Oct 13, 2026 | $275.99 | $277.62 | $272.39 | $274.71 | 1.45M |
| Oct 12, 2026 | $274.87 | $276.01 | $273.24 | $274.78 | 1.67M |
| Oct 9, 2026 | $276.63 | $277.49 | $272.83 | $273.47 | 1.91M |
| Oct 8, 2026 | $271.29 | $277.90 | $270.03 | $277.12 | 1.98M |
| Oct 7, 2026 | $275.07 | $275.31 | $269.72 | $270.47 | 1.54M |
| Oct 6, 2026 | $270.83 | $274.71 | $270.10 | $273.99 | 1.38M |
| Oct 5, 2026 | $267.59 | $272.37 | $266.33 | $272.05 | 1.37M |
| Oct 2, 2026 | $274.96 | $276.3899 | $268.90 | $269.45 | 1.61M |
| Oct 1, 2026 | $277.48 | $279.49 | $274.81 | $275.95 | 2.01M |
| Sep 30, 2026 | $275.78 | $278.19 | $273.80 | $276.77 | 2.3M |
| Sep 29, 2026 | $269.91 | $276.97 | $269.02 | $275.90 | 1.99M |
| Sep 28, 2026 | $277.50 | $278.395 | $270.00 | $272.10 | 1.85M |
| Sep 25, 2026 | $277.00 | $280.98 | $276.52 | $277.99 | 1.64M |
| Sep 24, 2026 | $281.60 | $283.03 | $275.38 | $276.09 | 2.71M |
| Sep 23, 2026 | $284.67 | $286.7999 | $281.18 | $281.60 | 1.79M |
| Sep 22, 2026 | $291.06 | $293.55 | $282.70 | $286.10 | 2.54M |
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