how much does it cost to roll futures 
futures traders can roll their contracts by selling their near term contracts and buying new contracts with later expiration dates the cost is equal to the difference between the two contract prices plus trading and commission fees the bottom lineroll yield represents the potential profits from extending a futures contract to a later expiration date to take advantage of anticipated changes in the underlying commodity roll yield is positive when the future price is expected to increase and negative when the market expects future price to decrease 