Trading Glossary

Trading terms explained in plain language.

Introduction

Trading has a vocabulary problem, and a lot of it exists to make simple ideas sound complicated. This glossary translates it. Where a term deserves a fuller explanation, it links to one.

Alphabetical index

Term entries

Pip

The smallest standard price increment in a currency pair, usually the fourth decimal place, or the second on pairs quoted against the yen.

Read more about Pip

Slippage

The difference between the price you expected and the price you received. Common around news releases and in thin liquidity.

Read more about Slippage

Spread

The difference between the bid and the ask. On a commission free account, your primary cost of trading.

Read more about Spread

Stop Out

The automatic closure of positions once account equity falls below a defined threshold, to prevent losses running further.

Read more about Stop Out

Swap

The interest charge or credit applied to a position held past the daily rollover, reflecting the interest rate differential between the two instruments involved.

Read more about Swap

Volatility

The scale and speed of price movement. Higher volatility means larger opportunities and larger losses from the same position size.

Read more about Volatility