Contracts with trigger points that, when crossed, automatically generate buying or selling of other options. These are very exotic options.
A securities exchange created in the early 1970s for the public trading of standardized option contracts.
A class of options refers to all call and put contracts on the same underlying asset. For example, all AT&T call and put options at various exercise...
Overnight, collateralized loan made to a dealer financing his position by borrowing from a money market bank.