Suppose that on October 24 you buy 10 March gold futures contracts for $250 per ounce. At 11:00 am on October 25 you buy 8 more contracts for $259.0 ounce. At the close of trading on October 25, gold futures settle for $260.5 ounce.
If the contract size is 100 ounces and the initial margin equals 2500, how much do you gain or lose as of the close?