Assuming that there is no storage fee and the loan interest rate is 5%/ year, on June 8, 2007, how do you make money by trading crude oil contracts in June and February 2007? On June of that day, the contract opened at 60.20, with a maximum of 6 1.33 and a minimum of 59.08. The settlement price is 60.0 1, with a change of 0. 1. The contract opened at 62.78, with the highest at 64.08 and the lowest at 62. 10 in February.