stockNYSE: AON • Today's Updates
Aon plc Class A Ordinary Shares (Ireland) (AON) Today Close
Showing Closing Date Range from Oct 8 to Oct 9, 2026.
Investor Relations:ir.aon.com
NYSE MarketOfficial Close Wall Street: 4:41 PM ET
Today's Session Settled & Finalized
Official market closing rate settled for Oct 09, 2026. Next session begins at 9:30 AM ET.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$276.63
Opening Gap$-0.49(-0.18%)
Closed At
OFFICIAL CLOSESettled close for Oct 09, 2026
$273.47
Session DateOct 09, 2026
Lost Today
LOSS Net movement vs previous close
$-3.65 (-1.32%)
Intraday (from open)$-3.16 (-1.14%)
Day's High & Low Range
Session Low
$272.83
Session High
$277.03
Low ($272.83)Closed At ($273.47)High ($277.03)
Trading Activity & Liquidity
Shares Traded
1.80M
1,799,566 shares
Dollar Volume
$492.13M
Close × Volume traded
Session Turnover$492.13M USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for Aon plc Class A Ordinary Shares (Ireland) (AON).
Oct 09, 2026
Started At (Open)
$276.63
Previous Close
$277.12
Session High
$277.03
Session Low
$272.83
Closed At
$273.47
Gained / Lost ($)
$-3.65
Gained / Lost (%)
-1.32%
Day's Spread
$4.20