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FRM Part I · FRM Exam Part I · Stress Testing

A trading desk holds a single equity position worth USD 50 million with a beta of 1.2 to the market index. A stress scenario assumes the index falls 20% and the position's return is driven only by beta (no idiosyncratic loss). What is the stressed loss on the position?

The stressed loss is USD 12.0 million. With a beta of 1.2 and a 20% fall in the index, the position falls 24%, and 24% of USD 50 million equals USD 12.0 million. Ignoring beta would give USD 10 million, which understates the loss.

  1. AUSD 8.0 million
  2. BUSD 10.0 million
  3. CUSD 12.0 millionCorrect
  4. DUSD 14.4 million

Explanation

Position return = beta x index return = 1.2 x (-20%) = -24%. Loss = 24% x USD 50 million = USD 12.0 million. USD 10.0 million ignores beta, and USD 14.4 million wrongly multiplies the beta by 1.2 again.

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