Overseas central banks have implemented low interest rate and even negative interest rate policies, which have helped push down yields across the world – there is almost $8 trillion in global bonds with negative yields.

Related: Currency Hedged ETFs Offer a Smoother Long-Term Ride

The U.S. Dollar Index “has flirted with the 100-day moving average on the downside and a close below the average could be seen as a setback. The recent closes below the 20-day moving average suggest that a near-term high may be in place. The RSI indicator is now at oversold levels, which may be seen as slightly supportive in the near-term,” according to OptionsExpress.

For more information on Currency ETFs, visit our Currency-Hedged category.

PowerShares DB U.S. Dollar Index Bullish Fund