A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
   
Technical analysis   A method of predicting future security price movements based on the study of historical market data such as (among others) the historical prices of the security, trading volume, open interest, the relation of advancing issues to declining issues, and short selling volume.
   
Theoretical value   The estimated value of an option derived from a mathematical model.
   
Theta   A measure of the rate of change in an option's theoretical value for a one-unit change in time remaining until expiry. (See Time decay.)
   
Tick   The smallest price fluctuation allowed in trading an asset.
   
Time decay   A term used to describe how the theoretical value of an option "erodes" or reduces with the passage of time. Time decay is specifically quantified by theta.
   
Time spread   An option strategy which generally involves the purchase of a farther-term option (call or put) and the writing of an equal number of nearer-term options of the same type and strike price. Example: buying 1 XYZ May 60 call (far-term portion of the spread) and writing 1 XYZ March 60 call (near-term portion of the spread). Also known as calendar spread or horizontal spread.
   
Time value   The portion of the option premium that is attributable to the amount of time remaining until the expiration of the option contract. Time value is the difference between the options price and its intrinsic value.
   
Timely disclosure policy   This policy requires each listed company to publicly disclose material information in a timely manner.
   
Toronto Stock Exchange 300 Composite index®(TSE 300)   This index is a benchmark used to measure the price performance of the broad Canadian equity market.
   
Trade   A securities transaction.
   
Trading halt   See Halt.
   
Trading Unit   The amount of the underlying asset covered by the derivative contract. For example, this is 100 shares for one equity option unless adjusted for a special event, such as a stock split or a stock dividend, or otherwise deemed to be special by the listing exchange.
   
Transaction costs   All of the charges associated with executing a trade and maintaining a position. These include brokerage commissions, fees for exercise and/or assignment, exchange fees, CVMQ fees, and margin interest. In academic studies, the spread between bid and ask is taken into account as a transaction cost.
   
Treasury bill (T-bill)   A short-term government debt. Treasury bills bear no interest, but are sold at a discount. The difference between the discount price and par value is the return to be received by the investor.
   
Trust   An instrument placing ownership of property in the name of one person, called a trustee, to be held for the use and benefit of some other person, called the beneficiary.
   
Trustee   For bondholders, usually a trust company appointed by the issuer to protect the security behind the bonds and to make certain that all covenants of the trust deed relating to the bonds are honoured.
   
Two way security   A security, usually a debenture or preferred share, which is convertible into or exchangeable for another security (usually common shares) of the same company.
   
TSE   Toronto Stock Exchange.
   
Type   The classification of an option contract as either a put or a call.
 
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