331.52 USD
↗ 0.06 (0.02%)PRE MARKET (AS OF 07:16 AM EDT)
AON Stock Premarket
Aon plc Class A
AONNYSE • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
AON is trading at $331.51 in premarket, up $0.06 (0.02%) from its previous close of $331.45.
📅 AON is scheduled to report earnings on Jul 24, 2026 before the open (confirmed), with an estimated EPS of $3.82. AON earnings details →
AON Premarket Chart
AON Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, AON has had 5 qualifying gap events (gaps of 5% or more at the open) — 2 gap-ups and 3 gap-downs. Gap-ups averaged +6.5%, 50% have fully filled, median time to fill 37 trading days. Gap-downs averaged -8.3%, 67% have fully filled, median time to fill 26.5 trading days. Most recent: a -6.5% gap down on Apr 25, 2025, which filled in 17 trading days. Average 20-trading-day return after a AON gap up: +7.11%. After a gap down: +4.45%.
Gap Ups2 events
Fill Rate
50.0%
Avg Gap
6.5%
Avg 50% Fill
4d
Avg Fill
37d
Gap Downs3 events
Fill Rate
66.7%
Avg Gap
8.3%
Avg 50% Fill
4d
Avg Fill
26.5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 50% | 50% | 50% | 50% |
| fills 50% | 0% | 50% | 50% | 50% |
| fills 75% | 0% | 0% | 50% | 50% |
| fills 100% | 0% | 0% | 0% | 0% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 67% | 100% | 100% | 100% |
| fills 50% | 0% | 67% | 67% | 100% |
| fills 75% | 0% | 0% | 33% | 67% |
| fills 100% | 0% | 0% | 0% | 33% |
Complete Gap History — 5 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2025-04-25 | $365.05 | -6.45% | Filled | 4d | 17d | 21% | 70% | 94% | 100% |
| 2024-10-25 | $356.85 | +7.13% | Filled | 4d | 37d | 29% | 72% | 79% | 79% |
| 2024-04-26 | $306.00 | -11.48% | Open | 3d | — | 43% | 51% | 67% | 67% |
| 2023-12-20 | $313.01 | -7.04% | Filled | 18d | 36d | 27% | 27% | 27% | 99% |
| 2021-07-26 | $232.48 | +5.85% | Open | — | — | 4% | 4% | 4% | 4% |
Frequently Asked Questions
What is AON's premarket price?
Aon (AON) is trading at $331.51 in premarket, up $0.06 (0.02%) from the previous close of $331.45.
Why is AON moving in premarket?
Aon (AON) is up 0.02% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest AON premarket headlines and gap history below for the likely catalyst.
When does AON premarket trading start?
Premarket trading for AON on the NYSE runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
How often does AON fill its gaps?
Over the past 5 years, 50% of AON gap-ups have fully filled and 67% of gap-downs have filled. Median time to fill is 37 trading days for gap-ups and 27 trading days for gap-downs.
Does AON have any unfilled gaps?
No. AON has no unfilled gap events from the past 60 days; all recent gaps have been filled.
What's the average return after a AON gap?
Based on 5 qualifying gap events over the past 5 years, the average 20-trading-day return after a AON gap up is +7.11%, and after a gap down is +4.45%.
When does AON report earnings?
AON is scheduled to report earnings on Jul 24, 2026 before the open (confirmed), with an estimated EPS of $3.82. Aon plc is widely expected to report its Q2 2026 earnings on July 24, 2026, before the market opens. While the company has not yet issued a formal press release for this specific date as of June 12, 2026, the date is consistently cited across major financial platforms and aligns with Aon's historical reporting pattern of the last Friday in July.