This study brings fresh data to the highly-charged debate about the price impact of long-only index investment in energy futures markets. We use high frequency daily position data for NYMEX crude oil, heating oil, RBOB gasoline, and natural gas that are available from a representative large...

The ‘Masters Hypothesis’ is the claim that long-only index investment was a major driver of the 2007–2008 spike in commodity futures prices and energy futures prices in particular. Index position data compiled by the CFTC are carefully compared. In the energy markets, index position...

Investments into commodity-linked products have grown considerably in recent years. Unlike investments in equities, commodity futures markets produce no earnings; the source of returns is thus unclear. This paper examines returns to static long-only U.S. commodity futures investments over five...

This preliminary study examines the impact of index and swap fund participation in agricultural and energy commodity futures markets. Based on new data and empirical analysis the study finds that index funds did not cause a bubble in agricultural futures prices. Using Granger causality methods...