Rollover and swap in forex confuse many new traders. Rollover is the process of moving open positions from one trading day to another.

Swap is the interest fee that you either earn or pay at the end of each trading day if you keep your trade open overnight. By rolling over position. The trader extends the settlement period to another day. Your broker closes your open positions at the daily close rate and re-opens them at the new opening rate on the next trading day.