Browse Risk Management

Bank Capital Components

Risk-management terms for CET1, Tier 1, Tier 2, tier capital, and retained bank capital components.

Bank Capital Components is the risk-management area for CET1, Tier 1, Tier 2, tier capital, and retained bank-capital components. These terms matter when they change which capital instruments absorb losses and qualify for regulatory capital treatment.

Use this page as orientation before relying on a narrower term. Check the capital composition table, common equity reconciliation, retained earnings, regulatory adjustments, instrument terms, and supervisory filing before treating a risk definition as decision-ready. Use Bank Capital Rules for the broader branch, then move to the narrower page when a metric, exposure, contract, model, limit, or control owns the evidence. Related context often appears in Banking, Regulation, Financial Statements, and Benchmark Rates, but this page keeps the focus on risk evidence rather than product promotion or generic uncertainty.

Key Takeaways

  • Bank Capital Components should identify the exposure, owner, horizon, and consequence, not just name a risk.
  • Risk terms are only useful when the measurement method, assumption, limit, hedge, control, or escalation path is visible.
  • Definitions on this site are educational; they do not determine whether a trade, product, portfolio, control, capital level, or hedge is suitable.

Topic Map

Topic or termBest use
Common Equity Tier 1 (CET1)Common Equity Tier 1 (CET1) is a banking capital concept used to evaluate resilience, regulatory buffers, and loss-absorbing capacity.
Tier 1 CapitalTier 1 Capital is a banking capital concept used to evaluate resilience, regulatory buffers, and loss-absorbing capacity.
Tier 2 CapitalTier 2 Capital is a banking capital concept used to evaluate resilience, regulatory buffers, and loss-absorbing capacity.
Tier CapitalTier Capital refers to different classes of bank capital, with Tier 1 being the core capital consisting of common equity and disclosed reserves.
Undivided ProfitUndivided Profit is a banking capital concept used to evaluate resilience, regulatory buffers, and loss-absorbing capacity.

Example in Use

CET1 is usually the highest-quality capital category, so a bank with more total capital but less CET1 may not have the same loss-absorbing profile.

What to Check

  • Source record: confirm the capital composition table, common equity reconciliation, retained earnings, regulatory adjustments, instrument terms, and supervisory filing.
  • Measurement method: identify the horizon, confidence level, scenario, model, benchmark, or accounting basis used.
  • Control owner: name the team, committee, policy, covenant, or rule that can act on the risk.
  • Decision impact: ask whether the term changes pricing, limits, capital, liquidity, hedging, disclosure, escalation, or risk acceptance.

Common Mistakes

  • Treating all capital tiers as equivalent.
  • Ignoring deductions and regulatory adjustments.
  • Comparing capital instruments without reading loss-absorption terms.

Authoritative Source Checks

Use official sources for current rule text, supervisory frameworks, disclosures, and risk-control requirements. This page avoids hard-coding figures or thresholds that can change.

Educational Use

Bank Capital Components is for financial education and vocabulary building. It is not personalized investment, trading, banking, legal, regulatory, insurance, or risk-management advice. For decisions with material financial, legal, regulatory, or fiduciary consequences, confirm the current rule and review the specific facts with qualified professionals.

In this section

Choose a subsection first. Deeper term pages live inside each subsection, which keeps large topic hubs readable.

Common Equity Tier 1 (CET1)

Common Equity Tier 1 (CET1) is a banking capital concept used to evaluate resilience, regulatory buffers, and loss-absorbing capacity.

Tier 1 Capital

Tier 1 Capital is a banking capital concept used to evaluate resilience, regulatory buffers, and loss-absorbing capacity.

Tier 2 Capital

Tier 2 Capital is a banking capital concept used to evaluate resilience, regulatory buffers, and loss-absorbing capacity.

Tier Capital

Tier Capital refers to different classes of bank capital, with Tier 1 being the core capital consisting of common equity and disclosed reserves.

Undivided Profit

Undivided Profit is a banking capital concept used to evaluate resilience, regulatory buffers, and loss-absorbing capacity.

Revised on Sunday, June 21, 2026