︎wash trade
n.— «In the natural gas case, there are examples of traders who agreed to buy the same amount of natural gas from each other in what is known as a “wash” trade, so they could report a high trade price to an industry publication whose trading reports set market prices for natural gas throughout the region.» —“Sempra Ordered to Turn Over Tapes” by Elizabeth Douglass in San Diego Los Angeles Times Aug. 9, 2006. (source: Double-Tongued Dictionary)
Further reading
Trivia time! Where in the United States can you visit Soda City? If you answered Columbia, South Carolina, you’re right! This nickname apparently derives from an old practice of abbreviating Columbia as Cola. The locals then referred to the town as...
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