Normalized Earnings

Profits a company can be expected to achieve taking out cyclical effects and unusual events such as one-time write-offs caused by late product releases, customer bankruptcies and the like. 

Odd Lot

A block of stock consisting of less than 100 shares. When odd lots trade, a premium is usually tacked on by the specialist or market maker. These receive the least favorable price and trade last.

On-Stop (O/S) Order

A special-term order placed with the intention of trading at a later date when the price of the stock reaches the specified stop price. An on-stop order becomes a limit order once a trade at the trigger price has occurred.

Ontario Securities Commission

The government agency that administers the Securities Act (Ontario) and the Commodity Futures Act (Ontario) and regulates securities and listed futures contract transactions in Ontario.

Open

This is the price at which a security opens for the trading day. A stock can open at the previous closing price, gap up or gap down.

Open Order

An order that remains in the system for more than a day. See Good-Till-Cancelled or Good-Till-Date.