US Patent 7707096 Futures contract on options contracts exchange device

Futures contracts on options contracts are provided in which the duty to purchase the right to purchase a commodity or security may be agreed upon by two or more parties. The futures contract segment of the exchange device is the duty to purchase the underlying options contract at a specific time. The options contract segment of the exchange device is the right to buy an underlying security or commodity. Margin schemes may be included in either segment of the exchange device or the exchange device as a whole.