A swap in forex refers to the interest that you either earn or pay for a trade that you keep open overnight.

What is swap and how does it affect our trading?
%%A swap is a derivative, usually comprised of two legs. Common ones include interest rate, fx rate, or total return swaps. It impacts trading because it can increase the amount of leverage in the system.
If it increases the amount of leverage then how much leverage should be good?A swap is a derivative, usually comprised of two legs. Common ones include interest rate, fx rate, or total return swaps. It impacts trading because it can increase the amount of leverage in the system.
It's not good or bad but if you see leverage rising to very high levels, you will know that a move down in prices will result in a lot of pain as levered traders unwind positions or blow up.If it increases the amount of leverage then how much leverage should be good?