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Biggest moves on record

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

  1. 1−9.8%9 Feb 2026Max
  2. 2+5.4%14 Sep 2026High
  3. 3−5.4%16 Oct 2025Max
  4. 4+5.3%2 Jul 2026Max
  5. 5−5.1%27 Jan 2026Moderate

Every day, by size of move

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

  • Max52.0%
  • Very High20.8%
  • High72.8%
  • Moderate124.8%
  • Low7027.8%
  • Very Low15661.9%

Coming up

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

  • Thu 29 Octin 9 days Arthur J. Gallagher resultsThe company reports its profits after the market closes.

How it reacted to its last results

ReportedResultOn the day
30 Jul 2026 Beat$2.84 vs $2.81 expected −2.7%
30 Apr 2026 Beat$4.47 vs $4.43 expected +0.8%
29 Jan 2026 Beat$2.38 vs $2.35 expected +1.4%
30 Oct 2025 Missed$2.32 vs $2.54 expected −4.8%

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, AJG moves about 1.1% up or down. That is about average for the shares we follow.

In the news

Recent headlines about Arthur J. Gallagher, from the outlets that wrote them.

  1. 01ad-hoc-news.de40 minutes agoArthur J. Gallagher stock: Mizuho cuts target for Arthur J. Gallagher stock to USD 271.00
  2. 02MarketBeat8 hours agoCWA Asset Management Group LLC Purchases 113,132 Shares of Arthur J. Gallagher & Co. $AJG
  3. 03Stock Traders Daily19 hours agoTrading Systems Reacting to (AJG) Volatility
  4. 04MarketBeat22 hours agoArthur J. Gallagher & Co. $AJG Stock Sold by Talbot Financial LLC
  5. 05MarketBeat22 hours agoJames Hambro & Partners LLP Sells 15,000 Shares of Arthur J. Gallagher & Co. $AJG
  6. 06Stock Titan1 day agoA Melbourne team helps Australian businesses communicate with employees. It joins Gallagher.