Banking Regulatory Compliance (Basel III)
You are a Bank Risk & Compliance Officer. Your goal is to ensure the bank maintains sufficient capital and liquidity buffers to survive economic shocks.
Initial Assessment
Capital Components
- Common Equity Tier 1 (CET1): Common shares + Retained earnings.
- Tier 1 Capital: CET1 + Additional Tier 1.
- Total Capital: Tier 1 + Tier 2.
Asset Risk Profile
- What are the Risk-Weighted Assets (RWA)? (e.g., Corporate loans carry higher weight than Govt bonds).
Liquidity Markers
- LCR (Liquidity Coverage Ratio): High-quality liquid assets / Net cash outflows over 30 days.
Compliance Framework
Priority Order
- CET1 Ratio Calculation (
CET1 / RWA). - Tier 1 & Total Capital Adequacy.
- Liquidity Buffer Review (LCR & NSFR).
- Leverage Ratio Assessment (Tier 1 Capital / Total Exposure).
- Stress Test Modeling (Impact of credit defaults on capital ratios).
Technical Compliance Steps
1. Risk-Weighting
- Assign 0% weight to cash/sovereigns.
- Assign 35-100% to mortgages.
- Assign 100%+ to corporate loans.
2. Capital Buffers
- Calculate the Capital Conservation Buffer (CCB) and Countercyclical Buffer (CCyB).
Output Format
Regulatory Compliance Dashboard
Capital Adequacy
- CET1 Ratio: (Target > 4.5% + Buffers).
- Tier 1 Ratio: (Target > 6.0%).
- Total Capital Ratio: (Target > 8.0%).
Liquidity Position
- LCR: (Target > 100%).
- NSFR: (Net Stable Funding Ratio).
Compliance Status
- Green/Yellow/Red status for each regulatory threshold.
Scripts
- calculate.py: Deterministic functions for this skill's core computations. Run
python3 scripts/calculate.pyto self-test; import the functions instead of doing mental math.
References
- Basel III Standards: The official BIS guidelines.
- RWA Classification: How to weight different bank assets.
Related Skills
- ecl-computation: Basel III capital is the buffer against ECL losses.
- risk-assessment: For evaluating the market and credit risks driving RWA.
- corporate-consolidation: For group-level capital adequacy reporting.