A spread can have several meanings in finance. Basically, however, they all refer to the difference between two prices, rates or yields.

In one of the most common definitions, the spread is the gap between the bid and the ask prices of a security or asset, like a stock, bond or commodity. This is known as a bid-ask spread.

Spread can also refer to the difference in a trading position – the gap between a short position (that is, selling) in one futures contract or currency and a long position (that is, buying) in another. This is officially known as a spread trade—Read more at Investopedia. Segal, Troy. “Spread Definition.” 9 May 2019