Crop Weather index insurance: With this type of insurance, the indemnity is based on realizations of a specific weather parameter measured over a pre-specified period of time at a particular weather station or for a given satellite grid.
Definition of stock for English Language Learners. : 1  the supply of goods available for sale in a store. : 2  a supply of something that is available for use. : 3  a share of the value of a company which can be bought, sold, or traded as an investment.
Stock volatility is just a numerical indication of how variable the price of a specific stock is. However, stock volatility is often misunderstood. Some think it refers to risk involved in owning a particular company's stock. Some assume it refers to the uncertainty inherent in owning a stock. Neither is the case. For investors it represents an important measure of how desirable it is to own a certain stock, based on the investor's appetite for risk and reward. Here's how to calculate stock volatility.