Glossary
Spread
The gap between the best buy price and the best sell price. It is a cost you pay on entry and again on exit, whether or not the trade works.
See also
Order bookThe live list of buy and sell orders at each price. Its depth tells you how much can be traded before the price moves against you.
SlippageThe difference between the price you expected and the price you got, caused by your own order moving through the book. It grows with order size and shrinks with liquidity.
Last checked 19 Oct 2026.