Menu What is spread and how is it calculated? Spread is the difference between the buying price (ask price) and the selling price (bid price) of the product. It is calculated as: Spread = ask price - bid price Related articles What are long (buy) and short (sell) positions? What products does Vantage offer? What countries does Vantage not accept clients from? Can I log in to the Vantage app while I am overseas? How does the Refer a PRO Friend program work and what are the requirements for participation?