Trading Basics
Circuit Breakers
When exchanges stop the trading in a security that has fallen significantly.
This is done to stop an uncontrollable panic.
Other Trading Basics
Bid-Ask Spread
The difference between the price the trader and buy at and the price they can sell at.
Also bid-offer spread. The wider the spread, the more the trader pays, reactively.
Bid
Traders can go short at the bid price.
The terminology is from the broker point of view, they are bidding to buy from you.
Chartist
A market participant or commentator that uses charts to analyse the price of a security.
Start learning
Learn the skills needed to trade the markets on our Trading for Beginners course.