What Is a Chi-Square Statistic? A chi-square (χ2) statistic is a test that measures how a model compares to actual observed data. The data used in calculating a chi-square statistic must be random, raw, mutually exclusive, drawn from independent variables, and drawn from a large enough sample. For example, the results of tossing a fair
What Is a Chooser Option? A chooser option is an option contract that allows the holder to decide whether it is to be a call or put prior to the expiration date. Chooser options usually have the same strike price and expiration date regardless of what decision the holder makes. Because the option could benefit
What Was the Christmas Island Dollar? The Christmas Island Dollar was the official currency of Christmas Island, which is a small Australian island located in the Indian Ocean. The currency became obsolete after the island became an Australian territory. As such, the island uses the Australian dollar (AUD) as its currency. Christmas Island is known for
What Is a Christmas Tree Options Strategy? A Christmas tree is an options trading spread strategy achieved by buying and selling six call (or six put) options with different strikes but the same expiration dates for a neutral to bullish forecast. This is termed a long call Christmas tree when using calls or a put
What Is a Christmas Tree (oil and gas)? A Christmas tree is a piece of equipment that provides flow control on a oil or gas well. Christmas trees are a vertical assembly of valves with gauges and chokes that allow for adjustments in flow control as well as injections to stimulate production. Christmas trees are
What Is Churn Rate? The churn rate, also known as the rate of attrition or customer churn, is the rate at which customers stop doing business with an entity. It is most commonly expressed as the percentage of service subscribers who discontinue their subscriptions within a given time period. It is also the rate at
What Is Cost, Insurance, and Freight (CIF)? Cost, insurance, and freight (CIF) is an international shipping agreement, which represents the charges paid by a seller to cover the costs, insurance, and freight of a buyer’s order while the cargo is in transit. Cost, insurance, and freight only applies to goods transported via a waterway, sea
What Is the Composite Index of Lagging Indicators? The Composite Index of Lagging Indicators is an index published monthly by the Conference Board, used to confirm and assess the direction of the economy’s movements over recent months. Key Takeaways The Composite Index of Lagging Indicators is a composite economic indicator that lags behind changes in
What Is the Composite Index of Leading Indicators? The Composite Index of Leading Indicators, otherwise known as the Leading Economic Index (LEI), is an index published monthly by The Conference Board. It is used to predict the direction of global economic movements in future months. The index is composed of 10 economic components whose changes
What Are Corporate Inflation-Linked Securities (CILS)? The term corporate inflation-linked securities (CILS) refers to a series of security that seeks to mitigate the risks posed by inflation to a bond’s rate of return. A bond or other similar security’s returns drop when interest rates rise. This is mitigated by indexing the coupon rate to an
