A buyer shall be specified in the future at a predetermined price and date of purchase (or the seller is obliged to sell at a predetermined future date and price) financial contracts and other physical commodity or financial instrument assets. Futures contracts prescribed quality and quantity of the related assets, and the use of standardized formats to facilitate trading in futures. Part futures contracts may require the delivery of assets in kind, other places cash settlement. With respect to the stock market, futures market allows the use of highly leveraged transactions.