Board Lot

A standard trading unit as defined in UMIR (Universal Market Integrity Rules). The board lot size of a security on Toronto Stock Exchange or TSX Venture Exchange depends on the trading price of the security, as follows: Trading price per unit is less than $0.10 – board lot size is 1,000 units Trading price per unit is $0.10 to $0.99 – board lot size is 500 units Trading price per unit is $1.00 or more – board lot size is 100 units

Book

An electronic record of all pending buy and sell orders for a particular stock.

Book to Bill Ratio

The ratio of a company’s new orders to shipments in the same period. A book to bill ratio greater than 1.0 indicates sales growth. Ratios less than 1.0 reflect shrinking sales. Used mostly in the semiconductor industry.

Booked Orders

Orders that do not trade immediately upon entry. These orders are also known as outstanding orders.

All or None

This is an instruction you can give your broker when placing a buy or a sell order. This instruction ensures that your order will be filled in its entirety or not at all. This prevents having a partial execution of your trade.