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International Bancshares (IBOC) Tax Rate (2016 - 2025)

International Bancshares has reported Tax Rate over the past 10 years, most recently at 11.58% for Q4 2025.

  • Quarterly results put Tax Rate at 11.58% for Q4 2025, down 231.0% from a year ago — trailing twelve months through Dec 2025 was 18.06% (down 150.0% YoY), and the annual figure for FY2025 was 18.06%, down 150.0%.
  • Tax Rate for Q4 2025 was 11.58% at International Bancshares, down from 20.6% in the prior quarter.
  • Over the last five years, Tax Rate for IBOC hit a ceiling of 22.34% in Q2 2024 and a floor of 4.72% in Q4 2023.
  • Median Tax Rate over the past 5 years was 21.05% (2021), compared with a mean of 19.1%.
  • Biggest five-year swings in Tax Rate: plummeted -927bps in 2023 and later soared 917bps in 2024.
  • International Bancshares' Tax Rate stood at 20.55% in 2021, then crashed by -32bps to 13.99% in 2022, then plummeted by -66bps to 4.72% in 2023, then soared by 194bps to 13.89% in 2024, then decreased by -17bps to 11.58% in 2025.
  • The last three reported values for Tax Rate were 11.58% (Q4 2025), 20.6% (Q3 2025), and 20.5% (Q2 2025) per Business Quant data.