The Japanese yen has always been a strong performing currency, often looked to as a safe option during times of high volatility in the forex markets. (financialtrading.com)
Values may fluctuate significantly in times of high volatility or market / economic uncertainty; such swings are even more significant if your positions are leveraged and may also adversely affect your position. (home.saxo)
Carry trades blow up during times of high volatility, which typically have high yield bonds or countries seeming to be more risky than usual. (alephblog.com)