How do forward contracts work?
Let's say you need to make an international payment in 6 months' time.
You believe exchange rates are favourable right now and might get worse over the next 6 months.
You choose to take out a forward contract to lock in today's rate.
Six months later when your transfer is sent, you know exactly how much it is going to cost you - even if the mid-market exchange rate at that time is very different.
Of course, there's no guarantee that the rate you lock in today will be better than the rate you would have received had you exchanged money at a later date.
Predicting currency movements is notoriously difficult, even for professional forex traders, and it's possible a forward contract can end up getting you a worse deal.

