Carry Trade, Commodities Make EM Currencies More Stable Than G-7

Emerging-market currencies are proving more stable than those in developed nations, a streak some investors say could become the longest in more than two decades.

JPMorgan volatility indexes show developing nations’ currencies have swung less than their Group of Seven peers for nearly 200 straight days — the longest stretch since 2008. If it passes 208 days, it would mark a record going back to 2000.