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The aggregate size in board lots of the most recent bid to buy a particular security.

A model used to estimate the price of an option.

A mathematical model used to calculate the theoretical price of an option.

A single purchase or sale of a stock involving 10,000 or more shares. 

Stocks of leading and nationally known companies that offer a record of continuous dividend payments and other strong investment qualities.

Large, stabile companies. 

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

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

This is a stock’s trading price when a stock begins trading for the day. It may gap up, gap down, or open where it closed the previous session. Where a stock opens can be deceptive, especially if the stock gaps up or down significantly from the closing price.

Average number of shares traded per day over a specified period.