Home › Glossary › Bid-ask spread
The bid-ask spread is the gap between the highest price a buyer offers and the lowest price a seller accepts. A wide spread means buying and selling right away costs more.
On Polymarket the displayed price is usually the midpoint of the best bid and ask, or the last trade when the spread is wide.
👉 How to read a Polymarket order book
Order book · Liquidity · Slippage
On Polymarket the displayed price is usually the midpoint of the best bid and ask, or the last trade when the spread is wide.
Polymarket View is independent and not affiliated with Polymarket. Educational information, not financial advice. All terms · Polymarket odds today