Where can I see spread sizes? The spread is the difference between an instrument’s buy and sell rate (it differs for each instrument). Click here to view the trading conditions and charges for all of our instruments. Related articles What is a spread? Can I be in debt to AvaTrade? Can my account go into a negative balance? What Forex Pairs will have 30:1 Leverage? How can I open a spread betting account with AvaTrade? How do I calculate spreads?