Volatility Erupts in the World's Biggest Market

  • BMO’s Gallo says late September should be better for carry
  • Rand, Mexican peso are worst-performing majors in past month

The Wide-Ranging Implications of Market Volatility

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Volatility has reawakened in the $5.1 trillion foreign-exchange market, as traders start to imagine life without ultra-easy monetary policy.

The impact is greatest in the currencies with most at stake from an end to years where stimulus only got more generous -- the so-called high yielders. A gauge of expected swings in emerging-market currencies has surged above an equivalent measure for developed markets by the most since May.