1. A method of trading derivatives in an exchange comprising: in an electronic trade engine having a processor, the processor: detecting a locked quote of a first market maker and a second market maker at the electronic trade engine; delaying automatic execution of the locked quote for a predetermined time; disseminating the locked quote to the exchange and permitting execution of orders against the locked quote; and notifying the first and second market makers of the locked quote after a notification period, wherein the notification period is a period of time less than the predetermined time.