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The initial or primary transaction of an options contract. Rights for a buyer are created as is the obligation of the seller. For example, by writing a call op···

The price at which a security first trades upon the opening of an exchange on a given trading day.Quite commonly, a security's opening price will not be identi···

A situation in which a security is restricted from trading when the stock exchange opens for the day. Stock exchanges can halt trading on securi···

An order specifying that a trade is to be executed at the opening of the market, otherwise it's canceled. Taobiz explains At-The-Opening-OrderWith this type of···