The relationship between an option's price and the price of the underlying stock or futures contract is called its delta.

If the delta is 1, for example, the relationship of the prices is 1 to 1. With a call option, an increase in the price of an underlying instrument typically results in an increase in the price of the option.

An increase in a put option's price is usually triggered by a decrease in the price of the underlying instrument, since investors buy put options expecting its price to fall. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only.

This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Delta financial definition of Delta http: Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 9,, visitors served. A A A A Language: Register Log in Sign up with one click: Dictionary Thesaurus Medical Dictionary Legal Dictionary Financial Dictionary.

Tools A A A A Language: Free content Linking Lookup box. Delta The ratio of the change in price of an option to the change in price of the underlying asset.

Also called the hedge ratio. Applies to derivative products.

Put option - Wikipedia

For a call option on a stock, a delta of 0. As options near expirationin-the-money call option contracts approach a delta of 1. Call deltas range from 0.

If the call delta is 0. The change in the price of an option that results from a one-point change in the price of the underlying stock.

For example, a delta of 0. Call options put option financial definition wikipedia positive deltas; put options have negative deltas.

Option (finance) - Wikipedia

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Company Watch - Delta Air Lines.

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Option (finance) - Wikipedia

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