Exchange market size: related pages

Market maker

A dealer who receives privileges in share dealing in return for providing liquidity, usually by always quoting firm bid and offer prices.

Liquidity

How tradeable a security is. A security that is constantly trading in large quantities it is can be bought or sold easily, quickly and with less likelihood of influencing the price.

Bid-offer spread

The difference between the prices at which shares can be bought and sold.

Yellow strip

The best bid and offer prices shown on certain LSE trading screens.