The lowest price a dealer or seller is willing to accept. Also called the offering price.

The highest price a dealer or buyer is willing to pay.

An option contract giving the owner the right (but not the obligation) to buy shares of stock at a predetermined price (called a strike price) on or before the expiration date of the contract.

An analysis technique to track price trends to determine patterns and price movement.

A market order to buy or sell that expires if not executed before the end of that trading day.

A brokerage house that charges lower commission rates for executing orders.

The last day that an option can be exercised; after this date, the option expires worthless.

A brokerage firm that works for higher commissions to cover the cost of investment research and financial advice given to the client.

Anyone having access to material corporate information. Regulations prohibit the trading by those possessing inside information.

A "Call" option is said to be "in the money" when the current market price is higher than the strike price. A "Put" option is said to be "in the money" when the [..]