Risk Budgeting

Risk Budgeting

 

 

Return on VAR: Return/ Allocated VAR in the ERM system (through risk budgeting)

 

Position limit: Place a nominal dollar cap on certain positions

Liquidity Limit: Set dollar position limits

Performance Stopout: Absolute limit of dollar loss

Risk factor limits: limit exposure to some risk factors

 

Scenario analysis limits: structure the portfolio to limit the scenario impacts

 

Leverage Limits: limit the leverage

 

Minimize risk:

 

  1. Limit Exposure
  2. Mark to Market: e.g. in FRA, settle periodically and renew with most updated rate
  3. Collateral
  4. Payment netting
  5. Minimum credit standards (but there are SPV and EDPC – Enhanced derivatives products companies
  6. Derivative to transfer risk to others
    1. Total return swap:
    2. Credit spread option
    3. Credit spread forward
    4. Credit default swap

 

Risk-adjusted return on invested capital (RAROC): expected return on risk (e.g. VAR)

 

Return over maximum drawdown (RoMAD) – maximum of drawdown in total period.

 

Drawdown: peak-to-trough decline during a specific measured period

 

Sortino ratio = (return – MAR)/downside risk

 

MAR – minimum acceptable return, downside sigma is reference to MAR

 

 

Setting Capital Requirements:

 

Nominal position limits (notional position limits, monetary position limits) – can be exceeded by using derivatives

 

VAR-based limits – total VAR may be overestimated

 

Maximum loss limit

 

Internal capital requirement and regulatory capital requirement

 

Behavioral conflicts (manager tends to take more risk when portfolio is losing)

 

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