Calculates all Basel III regulatory capital ratios including CET1 (Common Equity Tier 1), Tier 1, Total Capital, and optionally the Leverage Ratio. Compares results against minimum regulatory requirements (CET1 >= 4.5%, Tier 1 >= 6%, Total >= 8%) and returns compliance flags. Use this for regulatory capital adequacy assessments, board reporting, and supervisory submissions. The leverage ratio (Tier 1 / Total Exposure) is only calculated if total_exposure is provided.
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Common Equity Tier 1 capital (retained earnings, common shares, accumulated other comprehensive income, qualifying minority interests)
85000000
Total Tier 1 capital (CET1 + Additional Tier 1 such as perpetual non-cumulative preferred stock)
95000000
Total regulatory capital (Tier 1 + Tier 2 capital including subordinated debt, loan loss reserves)
120000000
Total risk-weighted assets (credit RWA + market RWA + operational RWA)
950000000
Total exposure measure for leverage ratio calculation (on-balance sheet + derivatives + securities financing). Optional.
1500000000