Tender	Means of settlement in a financial transaction
Theta	the rate of change of the price of an option or other derivative with the passage of time
Tick	Minimum price fluctuation of a futures or options contract.
Time value	The excess, if any, of an option's premium over its intrinsic value.
Trade	the act or process of buying, selling, or exchanging commodities, at either wholesale or retail, within a country or between countries
Trader	someone who purchases and maintains an inventory of goods to be sold