A process whereby one option position is closed and a new one with a later expiration date is established If the new position also involves a lower exercise price, it is called a "roll-down and forward" If it involves a higher exercised price, it is called a "roll-up and forward"
A database's ability to recover from disasters is called a roll forward The database reads the transaction log and reexecutes all of the readable and complete transactions
If an error occurs in processing transactions,the database can be restarted and loaded from a known heckpoint Then partially completed transactions can be rolled forward to record the interrupted hanges
A database's ability to recover from disasters is called a roll forward The database reads the transaction log and re-executes all of the readable and complete transactions
Close out options at a near-term expiration date and open options at a longer-term expiration date
Close-out options at a near-term expiration date and open options at a longer-term expiration date