Gamma	the rate of change of deltat with repect to the asset price
Give-up	(1) A trade that is directed to a floor broker by an exchange member FCM (executing firm) and, after the trade is executed, it is given to another firm to clear (clearing firm); (2) a trade in which a customer contacts a floor broker directly, and after execution of the customer's order the floor broker gives up the name of the clearing member who will clear the trade.
Hedge	a trade designed to reduce risk
Hedger	an individual who enters into hedging trades
Hedging	Taking a position in a futures market opposite to a position held in the cash market to minimize the risk of an adverse price change; a purchase or sale of a futures contract as a temporary substitute for a cash transaction that will occur later.
Incentive fee	A fee charged by a commodity trading advisor that is typically calculated each quarter as a percentage of net new trading profits in the client's account.
Index	A statistical measure of change in an economy or a securities market. In the case of financial markets, an index is essentially an imaginary portfolio of securities representing a particular market or a portion of it.
Inflation	a persistent, substantial rise in the general level of prices related to an increase in the volume of money and resulting in the loss of value of currency
Initial margin	Customers' funds put up as security to guarantee contract fulfillment at the time a futures or options position is established.
In-the-money	A call option with a strike price lower, or a put option with a strike price higher, than the current market price of the underlying asset or futures contract.
Intrinsic value	For a call option, the excess of the current market price of the asset or futures contract underlying the option over the strike price of the option; for a put option, the excess of the strike price over the current market price of the asset or futures contract underlying the option.
Introducing broker	Any person, other than someone registered as an associated person of a futures commission merchant, who solicits or accepts futures and related options orders but does not accept money from customers.