Meaning of SPREADING in English
The purchase of one futures contract and the sale of another in an attempt to profit from the change in price differences between the two contracts. Inter-market, intercommodity, inter- delivery, and commodity product are examples of spreads.
A guide to futures and options market technology English dictionary. Английский словарь-руководство по фьючерсам и опционам рыночных технологий . 2012