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Biggest moves on record

Every trading day we hold, as a bar. The five biggest are marked.

  1. 1−9.5%31 Aug 2026Max
  2. 2−9.3%9 Feb 2026Max
  3. 3+4.1%13 Apr 2026Low
  4. 4+4.0%2 Jul 2026Low
  5. 5+4.0%26 Jun 2026Low

Every day, by size of move

250 trading days, 2025–2026. One square is one day.

  • Max41.6%
  • Very High10.4%
  • High31.2%
  • Moderate52.0%
  • Low7530.0%
  • Very Low16264.8%

Coming up

Dates that often move Aon plc, over the next 30 days. Days are in UTC, the world's standard clock.

  • Wed 28 Octin 6 days Aon plc resultsThe company reports its profits before the market opens.

How it reacted to its last results

ReportedResultOn the day
29 Jul 2026 Beat$3.81 vs $3.80 expected −1.1%
1 May 2026 Beat$6.48 vs $6.35 expected −0.0%
30 Jan 2026 Beat$4.85 vs $4.75 expected +2.0%
31 Oct 2025 Beat$3.05 vs $2.91 expected +3.8%

Beat or missed means profit per share came in above or below what experts expected. The price move is for the first trading day the results could move.

Compared with its neighbours

On a normal day, AON moves about 1.0% up or down. That is calmer than 6 in 10 shares we follow.

In the news

Recent headlines about Aon plc, from the outlets that wrote them.

  1. 01AD HOC NEWS11 hours agoAon stock: BofA cuts target to USD 322 from USD 339
  2. 02Yahoo Finance11 hours agoAon (AON) Earnings Expected to Grow: Should You Buy?
  3. 03MarketBeat12 hours agoAon plc $AON Shares Purchased by Sowell Financial Services LLC
  4. 04MarketBeat14 hours agoAon plc $AON Stock Acquired by Revisor Wealth Management LLC
  5. 05MarketBeat14 hours agoRobeco Institutional Asset Management B.V. Acquires 3,990,441 Shares of Aon plc $AON
  6. 06MarketBeat15 hours agoAON (AON) Expected to Announce Quarterly Earnings on Wednesday