Gamma - The ratio of the change in a call option's delta to the change in price of underlying stock.

General obligation bond - A debt instrument of a municipality which is secured by the issuer's unlimited taxing power.

Geographic risk - Risk that arises when an insurer has policies concentrated within certain geographic areas, such as the risk of damage from a hurricane or an earthquake.

Give up - An order executed by one brokerage house, but cleared by another house at the request of the customer.

Gross profit margin - The ratio of gross profit to net sales.

Group rotation manager - A top-down manager who infers the phases of the business cycle and allocates assets accordingly.

Growth manager - A money manager who seeks to buy stocks that are typically selling at relatively high P/E ratios due to high earnings growth, with the expectation of continued high (or higher) earnings growth.

Growth phase - A phase of development in which a company experiences rapid earnings growth as it produces new products and expands market share. Related: Three-phase DDM

GTC (Good till canceled) - An order to buy or sell at a fixed price. It holds until executed or canceled.

Guaranteed investment contract (GIC) - A pure investment product in which a life company agrees, for a single premium, to pay the principal amount and a predetermined annual crediting rate over the life of the investment, all of which is paid at the maturity date.