Foreign exchange forward contract refers to a contract to deliver a certain amount of foreign exchange at a certain time in the future. Financial futures is also a contract to deliver a certain financial product at a certain time in the future, but it is a standardized contract (fixed quantity, price, etc.). ) and must be conducted on the exchange; Financial option is an option to buy (or buy) a financial product, but if the actual price is lower (higher) than the contract, this right can be waived.