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FRM Part II · FRM Exam Part II · Liquidity and Leverage

Which statement best describes why endogenous liquidity risk is not captured by a VaR adjustment that uses a fixed bid-ask spread?

A fixed-spread adjustment assumes trades execute at quoted prices, but a large sale by the bank itself moves prices against it. This endogenous price impact makes true liquidation costs higher than the quoted spread implies.

  1. AThe bank's own large trades can move prices and widen the effective spread beyond the quoted levelCorrect
  2. BFixed spreads overstate costs when positions are small
  3. CEndogenous risk only arises from changes in interest rates
  4. DQuoted spreads already include the price impact of any order size

Explanation

Quoted spreads apply to small trades. When a position is large relative to market depth, selling it moves the price against the seller, so the true cost exceeds the fixed-spread estimate. This price impact is endogenous to the bank's own action.

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