The dollar pairs that make up the crosses (i.e., EUR/USD + USD/JPY are the components of EUR/JPY). Selling the cross through the components refers to selling the dollar pairs in alternating fashion to create a cross position.
The dollar pairs that make up the crosses (i.e., EUR/USD + USD/JPY are the components of EUR/JPY). Selling the cross through the components refers to selling the dollar pairs in alternating fashion to create a cross position.