Arthur J. Gallagher & Co.

1. 01

   Set a 52-week high on 4 Nov 2026

   Closed at $288.38 on 4 Nov 2026: 0.5% below the 52-week high of $289.93 (4 Nov 2026) and 51.2% above the low of $190.75 (13 May 2026).

   Daily price bars, split-adjusted · as of 4 Nov 2026

2. 02

   In line with SPY, ahead of its sector fund XLF over 1 year

   1 month: +25.5% (SPY −1.6%, XLF +9.6%). 3 months: +14.9% (SPY −0.4%, XLF +2.1%). 1 year: +14.6% (SPY +13.6%, XLF +12.9%). Price change to the 4 Nov 2026 close; dividends excluded.

   Daily closes, split-adjusted: AJG, SPY and XLF · as of 4 Nov 2026

3. 03

   P/E 2.1× its peers' median

   Trailing P/E of 48.8 against a median of 23.4 across 5 peers named in its company record (range 18.9 to 59.4).

   Quote feed P/E (price ÷ trailing 12-month EPS); peers as named in the company record · as of 5 Nov 2026

4. 04

   Rose 5.5% on 4 Nov 2026

   The 4 Nov 2026 gain of 5.5% was 3.6× its average daily move of 1.5% over the past year, and its largest one-day gain since 15 Oct 2026.

   Daily closes, split-adjusted · as of 4 Nov 2026

5. 05

   5.1 days to cover short interest

   7.1M shares were sold short at the 15 Oct 2026 settlement, 2.8% of the 256.3M shares outstanding; covering them would take 5.1 days of average volume. Short interest is reported twice a month, on a lag.

   Exchange short-interest filing · as of 15 Oct 2026

At the 4 Nov 2026 close