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Forex Glossary
A–Z of key terms to help you learn the language of markets.
Ask
The price at which you can buy a currency pair or instrument.
Bid
The price at which you can sell a currency pair or instrument.
Drawdown
The decline from a peak to a trough in account equity or strategy performance.
Equity
Account balance plus or minus unrealized profit/loss from open positions.
Free Margin
Funds available to open new positions; equity minus used margin.
Leverage
The ability to control a larger position with a smaller amount of capital.
Limit Order
An order to buy/sell at a specified price or better.
Liquidity
How quickly an instrument can be bought or sold at stable prices.
Lot
A standardized transaction size. 1.0 lot in FX typically equals 100,000 units.
Margin
Funds required to open and maintain a leveraged position.
Market Order
An order to buy or sell immediately at the best available price.
Pip
A unit of price movement, usually the fourth decimal place (0.0001) for FX majors.
Rollover
The process of extending the settlement date of an open position to the next trading day.
Slippage
The difference between the expected transaction price and the price at which it is executed.
Spread
The difference between the bid and ask prices, typically measured in pips.
Stop Loss
An order to close a position once price reaches a specified level to limit losses.
Stop Order
An order to buy/sell once price reaches a specified level, becoming a market order.
Swap
Overnight financing charge or credit applied when positions are held past rollover.
Take Profit
An order to close a position once price reaches a specified level to lock in gains.
Volatility
The degree of variation of a trading price series over time.
Glossary last updated: September 18, 2025. Contains 20 trading and financial market terms.
