Trading glossary

The words you'll see most often, explained simply.

Ask
The lowest price a seller is currently willing to accept.
Bid
The highest price a buyer is currently willing to pay.
Drawdown
The fall from an account's or investment's peak value to a later low.
ETF
An exchange-traded fund: a fund whose units trade on an exchange like shares.
Futures
A standardised contract to buy or sell something at a set price on a future date.
Leverage
Using borrowed money or a derivative to control a position larger than your own capital. It magnifies both gains and losses.
Limit order
An order to trade only at a set price or better. It may not fill.
Liquidity
How easily something can be traded without moving its price much.
Long
A position that benefits if the price rises.
Margin
Money set aside with a broker to open or hold a leveraged position.
Market order
An order to trade immediately at the best available price.
Option
A contract giving the buyer the right, but not the obligation, to buy or sell an asset at a set price by or on a set date.
Position size
How many shares, units or contracts you hold in a trade.
Resistance
A price area where rising prices have previously tended to stall.
Short
A position that benefits if the price falls.
Slippage
The difference between the price you expected and the price you actually got.
Spread
The gap between the bid and the ask.
Stop order
An order that becomes active once the price reaches a level you set, often used to limit a loss.
Support
A price area where falling prices have previously tended to stall.
Volatility
How much and how quickly a price tends to move.