What is a spread?

In trading the bid-offer spread, or often just spread, is the difference between the highest bid (buy) price and lowest offer (sell) price quoted on a market.

For example, if the highest bid price is US$4,975 and the lowest offer price is US$5,025 the spread would be the difference of US$50. Spread can also be measured as a percent, usually versus the midpoint. So in our example the US$50 spread centered around the price US$5,000 would be a 1% spread.

Zero and negative spreads

Bullish’s unique AMM-based liquidity means that sometimes there can be a zero or negative spread. This can be a great opportunity for traders. Learn more in our article about Crossed Order Books.

Viewing a market’s spread

The spread of any given market is shown in the center of the Bullish Order Book on the Trade screen, next to the currency market’s Mid Price.
Market spread highlighted in order book

To view the spread of other markets, select a new currency market from the Market Selector in the top header on the Trade screen.

Currency pair drop down menu

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