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International Bank of Commerce: Tier 1 Risk-Based Capital Ratio

21.11% Ranks #283 of 2,135 U.S. banks · 87th percentile

Data as of · sourced from FFIEC call reports. How we update

International Bank of Commerce reported a tier 1 risk-based capital ratio of 21.11% as of Q2 2026, ranking #283 of 2,135 U.S. banks (87th percentile). That is up 0.98 percentage points from 20.13% a year earlier, and above the 12.97% median of the 120 Regional Banks ($10B–$100B in assets). Tier 1 Risk-Based Capital combines Common Equity Tier 1 plus Additional Tier 1 instruments, the broader capital measure after CET1.

12-Quarter Trend

Q3 2023 Q2 2026 (latest)
Q2 2026 21.11%
Q1 2026 21.12%
Q4 2025 20.87%
Q3 2025 20.30%
Q2 2025 20.13%
Q1 2025 19.46%
Q4 2024 19.46%
Q3 2024 18.84%
Q2 2024 19.11%
Q1 2024 18.82%
Q4 2023 18.54%
Q3 2023 17.85%

National Context

Latest value 21.11%
National rank#283 of 2,135
Percentile 87th
12-quarter low17.85%
12-quarter high21.12%
Full rankingView leaderboard

What is the Tier 1 Risk-Based Capital Ratio?

The Tier 1 Risk-Based Capital ratio measures a bank's Tier 1 capital (CET1 plus Additional Tier 1 instruments) against its risk-weighted assets. It is the broader of the two Tier-1 capital measures and is still the headline capital metric for most banking comparisons.

Read Tier 1 RBC alongside CET1: a large gap between them means the bank relies meaningfully on preferred stock for its capital base, which is more expensive and less flexible than common equity. Most community banks show Tier 1 RBC within a few basis points of CET1. The bands below are BankRegReports analyst bands, not prompt corrective action categories; PCA treats a Tier 1 ratio of 8% or more as well capitalized.

Full definition & formula →

Frequently asked questions

What is International Bank of Commerce's Tier 1 Risk-Based Capital Ratio?

International Bank of Commerce's Tier 1 Risk-Based Capital Ratio was 21.11% as of Q2 2026, ranking #283 of 2,135 U.S. banks.

What is the Tier 1 Risk-Based Capital Ratio?

The Tier 1 Risk-Based Capital ratio measures a bank's Tier 1 capital (CET1 plus Additional Tier 1 instruments) against its risk-weighted assets. It is the broader of the two Tier-1 capital measures and is still the headline capital metric for most banking comparisons.

Source: FFIEC call reports, standardized by BankRegReports. Values are point-in-time as filed. See the full International Bank of Commerce profile or how this data updates. The figures come from the bank's call report.

Regulator records: FDIC BankFind (cert 19629) · FFIEC NIC profile (RSSD 1001152)