wash sale
n.β Β«To tackle the problem, the European market set up a system that allowed market participants to simultaneously liquidate a Eurodollar position on the CME and rebuild the same one on Euronext.liffe. However, a CME rule prohibited a harmful market practice known as βwash sales,β or pre-arranged trades meant to offset each other. Euronext.liffeβs system met the description of a wash trade, even though its purpose was not meant to harm market quality.Β» ββICE focused on future” by Isabelle Clary Pensions & Invesments (New York City) Apr. 16, 2007. (source: Double-Tongued Dictionary)