Promissory notes are futures.

Promissory notes are bank deposits and drafts issued by banks and used by companies. There is a time limit, usually 3 months or 6 months, and it can only be cashed when it expires. A promissory note refers to a bill that cannot collect goods or currency before a specified date and pays the currency regularly. A credit certificate issued by the debtor containing a certain amount and promising to unconditionally pay the amount to the creditor within the agreed time limit. The debtor is the drawer and the creditor or the holder is the payee. Once a promissory note is issued, the drawer has the obligation to pay absolutely. If the payment is not made at the due date, the payee has the right to resort to the court.