Annual interest rate of financing: it depends on where you finance, banks, individuals and the primary market. Secondary market, etc. Opportunity cost depends on what you do. The handling fee for futures contracts is five ten thousandths of the bilateral turnover of this country. How much futures dealers charge depends on the customers themselves. Generally, between 10006- 1 1 of the turnover, the bilateral handling fee for ETF transactions is two ten thousandths of the unilateral general turnover.