Arthur J. Gallagher & Co. historical data

Date	Open	High	Low	Close	Adj. close	Volume
2026-10-16	252.02	255.40	250.89	254.88	254.88	1,206,900
2026-10-15	243.59	252.76	242.44	250.10	250.10	2,189,600
2026-10-14	234.00	238.82	231.86	237.04	237.04	1,005,800
2026-10-13	234.51	235.85	232.09	232.90	232.90	862,400
2026-10-12	233.54	234.59	232.82	233.92	233.92	696,200
2026-10-09	233.74	235.94	231.50	232.70	232.70	960,900
2026-10-08	227.95	234.79	225.85	234.05	234.05	1,891,300
2026-10-07	228.93	231.67	226.39	227.10	227.10	1,078,100
2026-10-06	225.81	230.73	225.08	229.85	229.85	1,152,800
2026-10-05	225.00	227.54	219.65	227.24	227.24	1,147,800
2026-10-02	230.79	232.76	225.27	226.11	226.11	1,398,300
2026-10-01	229.43	234.13	229.29	231.82	231.82	2,862,300
2026-09-30	227.44	229.49	225.55	228.11	228.11	1,588,600
2026-09-29	227.32	229.35	225.11	227.75	227.75	1,484,700
2026-09-28	230.00	232.81	226.95	229.46	229.46	1,553,400
2026-09-25	226.73	232.23	225.87	231.10	231.10	1,497,300
2026-09-24	230.72	233.19	226.26	227.13	227.13	1,769,600
2026-09-23	228.70	231.31	227.91	229.64	229.64	1,847,200
2026-09-22	236.29	236.60	226.79	230.45	230.45	1,624,500
2026-09-21	239.72	240.71	236.58	236.61	236.61	1,283,700
2026-09-18	240.00	241.93	238.75	239.48	239.48	1,707,700

Page 1 of 1 · 21 trading days

Stock splits

Date	Split (new : old)
2001-01-19	2:1
2000-03-16	2:1

Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.