We test for herding using data on aggregate trader positions for four commodities over 20 years. We show that while the positions of commodity traders are highly related, the relatedness falls short of herding. The cross-commodity relatedness in trader positions is almost entirely explained by...

We examine the relationship between the commitments of three of the largest groups of futures traders and the abnormal price movements in five agricultural commodities. The general evidence suggests that the commitments of futures traders have been increasing over time, whereas the frequency of...