How easily an instrument can be bought or sold without moving its price.
Major forex pairs are the deepest markets in the world, trading trillions per day. Liquidity is highest during the London–New York session overlap and lowest on Sunday evening or holidays.
Low liquidity widens spreads and increases slippage risk.
Coral Markets publishes a full trading glossary so working traders can quickly check definitions in plain English. Every term ties back to how the concept actually shows up on MetaTrader 5 and on real charts.