ניהול חשבון

To determine the volume of trading, simply count either all the buyers or all the sellers. The number of contracts traded includes the creation of new contracts, the transfer of either the buy or the sell side of a contract, and the liquidation of a contract.

Open interest is a measure of the number of contracts outstanding at the completion of the trading day. Many transactions may occur in a given day without initiating any new contracts or eliminating existing contracts. Existing futures contracts may merely change hands.