Betting Terms - B

Best Book

Term used for referring to the market which had the lowest over-round or book percentage figure.

Bet Slip

i) Details of a bet written out and usually held by the punter as receipt of a transaction in a betting shop.
ii) A screen for the same purpose where you can check the details of a bet before placement in online betting. This should state the event, selection and odds. To speed up the process, you can normally log in to your account from the bet slip screen when betting online.


US term for person placing a bet. In Australia they are known as a punter or customer.

Bookmaker (also Bookie)

A business or person that lays odds and takes bets.

Book Percentage

This is a term which refers to how much of a profit margin there is in a particular market for a bookmaker.
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