Studying major currencies versus the U.S. Dollar, this paper makes two contributions. First, we document strong comovement in both intraday and daily currency spreads. We also show that currency spreads co-move with aggregate U.S. equity market spreads. Thus, comovement in liquidity is even more...

We examine weekly trading imbalances for speculators and small investors in the commodity futures market and their price and volatility effects over the period 1986-2012. First, speculators behave like short term momentum traders and long-term contrarians. Their imbalances are positively...