stockNYSE: AON • Today's Updates
Aon plc Class A Ordinary Shares (Ireland) (AON) Today Close
Showing Closing Date Range from Sep, 10 to Sep, 11, 2026.
NYSE MarketPre-Market Wall Street: 12:13 AM ET
Pre-Market • Session Opens at 9:30 AM ET
Regular trading in New York opens at 9:30 AM ET (12:13 AM ET). Displaying the most recent finalized session (Sep 11, 2026) below as reference.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$310.85
Opening Gap+$3.08(+1.00%)
Last Finalized Close
PREVIOUS CLOSEFinalized close from Sep 11, 2026
$302.69
Session DateSep 11, 2026
Lost Today
LOSS Net movement vs previous close
$-5.08 (-1.65%)
Intraday (from open)$-8.16 (-2.63%)
Day's High & Low Range
Session Low
$302.44
Session High
$311.89
Low ($302.44)Last Finalized Close ($302.69)High ($311.89)
Trading Activity & Liquidity
Shares Traded
2.24M
2,238,000 shares
Dollar Volume
$677.42M
Close × Volume traded
Session Turnover$677.42M USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for Aon plc Class A Ordinary Shares (Ireland) (AON).
Sep 11, 2026
Started At (Open)
$310.85
Previous Close
$307.77
Session High
$311.89
Session Low
$302.44
Last Finalized Close
$302.69
Gained / Lost ($)
$-5.08
Gained / Lost (%)
-1.65%
Day's Spread
$9.45