Tier 2 capital

Tier 2 capital

Tier 2 capital is a regulatory capital category used by international banking supervisors to supplement core capital measures like Common Equity Tier 1 capital and Tier 1 capital. It comprises subordinate instruments such as subordinated debt, hybrid securities and certain reserves that provide loss-absorbing capacity but rank junior to senior creditors in events like bankruptcy or resolution. National regulators including the Federal Reserve System, Prudential Regulation Authority, European Central Bank, Swiss Financial Market Supervisory Authority, Australian Prudency Regulation Authority and Bank of Japan adapt international rules to local frameworks, influencing how institutions such as JPMorgan Chase, HSBC, Deutsche Bank, Banco Santander, UBS Group AG, Barclays, BNP Paribas, Mitsubishi UFJ Financial Group and Citigroup report capital.

Definition and Components

The definition of Tier 2 capital historically emerged under frameworks like Basel I, later refined by Basel II and Basel III. Common components include subordinated debt issued by banks such as Goldman Sachs and Credit Suisse Group AG, certain hybrid instruments exemplified by perpetual contingent convertible bonds issued by Santander or UniCredit, unrealised revaluation reserves tied to holdings of assets from entities like BlackRock and Vanguard Group, and general loan‑loss provisions influenced by accounting standards from International Accounting Standards Board and Financial Accounting Standards Board. Instruments qualify when they meet criteria set by regulators including the Office of the Comptroller of the Currency and European Banking Authority, and when contractual terms reflect subordination used in restructurings like those affecting Northern Rock and Lehman Brothers.

Regulatory Framework and Basel Accords

Basel Committee on Banking Supervision publications such as the original Basel I accord, the risk‑sensitive Basel II framework, and the post‑crisis Basel III reforms set quantitative and qualitative rules for Tier 2 instruments. National adoption involves bodies like the Federal Deposit Insurance Corporation, Financial Conduct Authority, Monetary Authority of Singapore, People's Bank of China and Reserve Bank of India. Basel III tightened eligibility: limits on maturity, subordination, loss absorbency and regulatory recognition affect how banks such as Royal Bank of Scotland and Bank of America structure capital. International events—2007–2008 financial crisis, European sovereign debt crisis—prompted revisions addressing counterparty exposure rules used by Goldman Sachs and Morgan Stanley and resolution frameworks influenced by the Financial Stability Board and national resolution authorities like FDIC and Single Resolution Board.

Valuation, Eligibility and Limits

Valuation of Tier 2 components requires coordination between auditors such as Deloitte, PwC, KPMG and Ernst & Young, accounting standards from IASB and FASB, and supervisory scrutiny by EBA and Basel Committee. Eligibility tests include amortisation profiles, minimum original maturity (often five years), and contractual subordination aligned with precedents like restructurings in Argentina sovereign debt crisis or bank failures like Lehman Brothers. Regulatory limits typically cap Tier 2 at a percentage of risk‑weighted assets under rules applied by European Central Bank and Federal Reserve System; for instance, Basel III sets ceilings relative to Common Equity Tier 1 capital and total capital ratio requirements used by banks such as ING Group and Santander. Market instruments—perpetual hybrids from issuers like HSBC—must disclose triggers, write‑down clauses and conversion mechanics vetted during offers supervised by securities regulators like Securities and Exchange Commission and European Securities and Markets Authority.

Role in Bank Capital Adequacy

Tier 2 supports solvency metrics employed by supervisors and rating agencies including Moody's Investors Service, Standard & Poor's, Fitch Ratings and DBRS Morningstar. It supplements loss‑absorbing capacity for institutions subject to stress tests by the Federal Reserve, European Banking Authority and Bank of England. Banks such as Banco Santander, BBVA, Societe Generale and Credit Agricole use Tier 2 to optimize capital structure within constraints of leverage ratios and liquidity standards like Liquidity Coverage Ratio and Net Stable Funding Ratio. During crises—e.g., 2007–2008 financial crisis—Tier 2 instruments have been evaluated for their practical convertibility into equity or usable loss absorption, affecting investor confidence in firms like Bear Stearns and Hypo Real Estate.

Criticisms, Risks and Market Perception

Critics including academics at London School of Economics, Harvard Business School, Columbia Business School and policy institutions like International Monetary Fund argue Tier 2 can mask underlying solvency issues, citing cases such as Lehman Brothers and Banco Espírito Santo. Risks include limited loss‑absorption in rapid resolution, market stigmatization of hybrid securities issued by Credit Suisse, and valuation opacity when auditors like PwC or KPMG assess complex hybrids. Rating agencies may assign lower credit‑enhancement value to Tier 2 relative to Core Tier 1 instruments, influencing funding costs for banks such as Deutsche Bank and UBS. Reforms by the Basel Committee and proposals from the Financial Stability Board aim to reduce reliance on Tier 2 by strengthening Common Equity Tier 1 capital and by enhancing creditor hierarchy in resolution regimes like those applied in Italy and Spain.

Category:Banking regulation