Our XBTCUSD future contracts enable users to speculate on Bitcoin's price at a pre-determined date in the future without holding the corresponding Bitcoins.
In our exchange, each future contract represent 1 US dollar.
A long future contract's profit is calculated as in the following way.
Suppose the future price of the contract at its open time is Price0, and close time PriceT. Then the profit/loss of the contract is calculated as
A short contract's profit is the negation of the above, i.e.
When a contract expires, PriceT is the same as its underlying index XBTCUSD at its expiry time.
Commissions are charged when a contract is bought or sold or expires. Check here for the commission rate.