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CMA Final · Strategic Financial Management · Risks in Financial Market

A bond portfolio manager at a Mumbai mutual fund holds a bond with a modified duration of 4.5 and a market value of Rs 2,00,00,000. If yield rises by 50 basis points, the approximate change in the bond's market value (ignoring convexity) is:

The value falls by Rs 4,50,000. Price change is approximately minus modified duration times yield change: 4.5 x 0.5% = 2.25%, and 2.25% of Rs 2,00,00,000 is Rs 4,50,000. Yields rising causes bond prices to decline.

  1. AIncrease of Rs 4,50,000
  2. BDecrease of Rs 4,50,000Correct
  3. CDecrease of Rs 9,00,000
  4. DDecrease of Rs 45,00,000

Explanation

Percentage change = -ModDur x change in yield = -4.5 x 0.5% = -2.25%. Value change = 2.25% x Rs 2,00,00,000 = Rs 4,50,000 fall. Rs 9,00,000 results from using 1% instead of 0.5%, and the increase option has the wrong sign.

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