International Bancshares (IBOC) Historical Stock Prices

International Bancshares Corporation (IBOC), daily historical prices. Prices in USD.
Date	Open	High	Low	Close		Volume
May 18, 2026	70.96	72.31	70.85	72.20	71.48	255,000
May 15, 2026	71.62	71.63	70.28	70.83	70.13	261,400
May 14, 2026	71.71	72.29	71.49	71.68	70.97	253,300
May 13, 2026	72.00	72.35	71.00	71.27	70.56	302,200
May 12, 2026	72.96	73.02	71.32	72.40	71.68	290,200
May 11, 2026	73.22	73.46	72.28	72.96	72.23	331,500
May 8, 2026	73.15	74.34	73.08	73.27	72.54	284,700
May 7, 2026	72.69	73.40	72.51	73.26	72.53	295,800
May 6, 2026	72.45	73.07	72.15	72.56	71.84	238,600
May 5, 2026	71.32	71.94	70.95	71.76	71.05	208,200
May 4, 2026	71.25	71.70	70.66	71.12	70.41	253,100
May 1, 2026	71.74	72.66	71.21	71.66	70.95	278,700
Apr 30, 2026	70.69	72.29	70.61	71.74	71.03	286,600
Apr 29, 2026	72.06	72.34	71.03	71.16	70.45	194,200
Apr 28, 2026	72.05	72.86	71.97	72.51	71.79	218,900
Apr 27, 2026	71.31	72.13	71.31	71.68	70.97	249,300
Apr 24, 2026	71.97	72.51	71.10	71.31	70.60	294,100
Apr 23, 2026	71.31	72.41	70.74	72.27	71.55	226,300
Apr 22, 2026	71.54	71.89	70.61	71.11	70.40	199,800
Apr 21, 2026	72.16	72.56	71.06	71.30	70.59	203,800
Apr 20, 2026	72.16	72.98	72.08	72.16	71.44	209,500
Apr 17, 2026	71.34	73.12	71.32	72.31	71.59	415,800
Apr 16, 2026	70.77	70.84	70.32	70.55	69.85	262,200
Apr 15, 2026	71.91	72.38	70.60	71.17	70.46	339,700
Apr 14, 2026	72.16	72.41	71.36	72.08	71.36	266,200

Historical stock prices.