Explanation

In a carry trade where the trader borrows in yen and invests in emerging market bonds that are independent of yen performance, the trader should NOT worry about unexpected devaluation of the yen.

Why this is correct:

1. Carry Trade Structure: The trader is borrowing in yen (short yen position) and investing in emerging market bonds (long position in those bonds).

2. Currency Risk: If the yen devalues unexpectedly, this actually benefits the trader because:

   • The borrowed amount in yen becomes cheaper to repay in terms of the emerging market currency
   • The trader's short position in yen gains value when yen depreciates

3. Independent Performance: Since the emerging market bonds' performance is independent of yen movements, their value isn't directly affected by yen devaluation.

Risks the trader SHOULD worry about:

• Yen appreciation (would increase the cost of repaying the yen loan)
• Emerging market bond defaults or price declines
• Interest rate changes in either currency
• Liquidity risk in the emerging markets

Therefore, unexpected yen devaluation is actually favorable for this carry trade position and should not be a concern.