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
   
Implied volatility   The volatility percentage that justifies an option's price. A theoretical option pricing model can be used to generate an option's individual volatility when the five remaining quantifiable factors (security price, time until expiration, strike price, interest rates, and cash dividends) are entered along with the price of the option itself. Implied volatility is a measure of the true value of an option set by market forces.
   
In-and-out   Purchase and sale of the same asset within a short period.
   
Income bond   This type of bond will still pay the principal of the investment, however, it will pay interest only when earned.
   
Income funds   Mutual funds that invest primarily in fixed-income securities such as bonds, mortgages and preferred shares. Their primary objective is to produce income for investors, while preserving capital.
   
Income stock   A security with a solid record of dividend payments, which offers a dividend yield higher than the average common stock.
   
Index   A compilation of several stock prices into a single number. Example: the S&P/TSE 60 Index.
   
Index fund   A mutual fund that matches its portfolio to that of a specific financial market index, with the objective of duplicating the general performance of the market in which it invests.
   
Index futures   See Stock index futures.
   
Index option   An option whose underlying asset is an index. Generally, index options are cash-settled.
   
Indices or Index   Statistical tools that measure the state of the stock market or the economy, based on the performance of stocks or other meaningful components. E.g. S&P/TSE 60 Index, Consumer Price Index (CPI). See also Stock index.
   
Inflation   A sustained trend of increasing prices. In Canada, inflation is generally measured by the Consumer Price Index.
   
Initial public offering (IPO)   A company's first issue of shares to the general public. Also known as a new issue.
   
Insider   All directors and senior officers of a company and those who may be presumed to have access to inside information concerning the company. An individual owning more than 10% of the voting shares in a company is also considered an insider.
   
Insider trading   There are two types of insider trading. The first type is stock transactions by insiders of a company. These must be reported to the appropriate securities commissions. The second type of insider trading is acting upon material information that is not public knowledge. This type of insider trading is illegal.
   
Institution   A professional investment management company. Typically, this term is used to describe large money managers such as banks, pension funds, mutual funds, and insurance companies.
   
Inter-commodity spread   A spread trade involving the same month of different but related futures contracts.
   
Inter-market spread   A spread trade involving same or related securities at different exchanges.
   
Interest   Payments made by a borrower to a lender for the use of the lender's money. A corporation pays interest on bonds to its bondholders.
   
Interest rate swap   An agreement to exchange periodic payments related to interest rates on a single currency: fixed for floating, or floating for floating based on different indexes.
   
Interlisted   A security which is listed on more than one exchange.
   
International fund   A mutual fund that invests in securities from a number of countries.
   
In-the-money option   When the exercise price of a call (or put) option is lower (or higher) than the share price.
   
Intra-market spread   A spread trade involving different contract months of the same security.
   
Intrinsic value   Positive difference between the security price and the exercise price of a call option or between the exercise price of a put option and the security price. By definition, the intrinsic value cannot be negative.
   
Investment adviser   Investment counsel to a mutual fund. Also may be the manager of a mutual fund.
   
Investment company   A corporation or trust whose primary purpose is to invest the funds of its shareholders.
   
Investment counsel   A firm which or an individual who furnishes investment advice for a fee.
   
Investment dealer   A securities firm.
   
Investment Dealers Association of Canada (IDA)   The Investment Dealers Association of Canada is the Canadian investment industry's national trade association and self-regulatory organization. The IDA's mission is to foster efficient capital markets by encouraging participation on the savings and investment process, and by ensuring the integrity of the marketplace.
   
Investment fund   A term generally interchangeable with "mutual fund".
   
Investment Funds Institute of Canada (IFIC)   The mutual fund industry trade association set up to serve its members, co-operate with regulatory bodies, and protect the interests of the investing public that use mutual funds as a medium for their investments.
   
Investment policy   The agreement between a portfolio manager and a client that provides the guidelines for a manager.
   
Investor   An individual whose principal concern in the purchase of a security is the minimization of risk for a maximum return.
   
Iron butterfly   An option strategy with limited risk and limited profit potential that involves both a long (or short) straddle, and a short (or long) combination. An iron butterfly contains four options and is an equivalent strategy to a regular butterfly spread which contains only three options. For example, a short iron butterfly might be: buying 1 XYZ May 60 call and 1 May 60 put, and writing 1 XYZ May 65 call and writing 1 XYZ May 55 put.
   
Issue   1. Any of a company's securities. 2. The act of distributing such securities.
   
Issued shares   The number of securities of a company outstanding. This may be equal to or less than the number of shares a company is authorized to issue.
   
Issuer bid   An offer by an issuer to security holders to buy back any of its own shares or other securities convertible into its shares.
 
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