Glossary
Market order
An instruction to trade immediately at whatever price is available. It always fills, and what it fills at depends on the book.
See also
Limit orderAn instruction to trade only at a stated price or better. It may not fill at all, which is the price of controlling the price.
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.