Charts Of The Day - October 23, 2016 By: TalkMarkets October 23, 2016 at 21:16 PM EDT USDU is a bullish dollar index ETF. 31.37% of its weighting is the EURO. The more commonly used bullish dollar index ETF is UUP. 57.60% of its weighting is the EURO. Read More >> Related Stocks: Wisdomtree Bloomberg U.S. Dollar Bullish Fund