Futures positions of commercial hedgers in wheat, corn, soybeans and cotton fluctuate much more than expected output. Hedgers' short positions are positively correlated with price changes. Together, these observations raise doubt about the common practice of categorically classifying trading by...

Futures positions of commercial hedgers in wheat, corn, soybeans and cotton fluctuate much more than expected output. Hedgers' short positions are positively correlated with price changes. Together, these observations raise doubt about the common practice of categorically classifying trading by...

Futures positions of commercial hedgers in wheat, corn, soybeans and cotton fluctuate much more than expected output. Hedgers' short positions are positively correlated with price changes. Together, these observations raise doubt about the common practice of categorically classifying trading by...

The rapid growth of exchange traded products (ETPs) has raised concerns about their implications for financial stability. A case in point is the abrupt market crash of short volatility strategies on February 5th 2018. In this paper, we describe this “Volmageddon” event and illustrate the...