“…A burgeoning empirical literature links changes in commodity price behavior to shifts in financial participation. Among the striking effects attributed to this trend rise in participation are: a greater volatility of the spot price (Tang & Xiong, ; Hamilton & Wu, ); an increased price co‐movement between crude oil and financial assets and between crude oil and other non‐energy commodities (Silvennoinen & Thorp, ; Büyükşahin & Robe, ); the fact that financial players’ investment strategies, preferences, degree of risk aversion, and financial constraints can impact futures prices (Acharya, Lochstoer, & Ramadorai, ; Etula, ; Singleton, ); a breakdown of the relationship between oil prices and inventories (Masters, ); and increasing mutual causality between the current spot price, the spot price in the future, and the price for delivery in the future (Hannesson, ).…”