the keyword is "synthetic pair" & "arbitage"
we put one pair, followed by another pair, and another, and another.......
so eg:
buy GBP/USD
buy USD/JPY.....now this 2 position synthesis GBP/JPY
sell CHF/JPY.....now this 3- synthesis GBP/CHF
buy EUR/GBP....now this 4- synthesis EUR/CHF
the good side: the other position is half hedge the other position, so this total position can be considered as 1....
side effect: we must adjust the size to equalize the pip movement, so there will be a lot of calculation here and there....
we put one pair, followed by another pair, and another, and another.......
so eg:
buy GBP/USD
buy USD/JPY.....now this 2 position synthesis GBP/JPY
sell CHF/JPY.....now this 3- synthesis GBP/CHF
buy EUR/GBP....now this 4- synthesis EUR/CHF
the good side: the other position is half hedge the other position, so this total position can be considered as 1....
side effect: we must adjust the size to equalize the pip movement, so there will be a lot of calculation here and there....