You are managing a pension fund with a value of $510 million and a beta of 1.30. You are concerned about a market decline and wish to hedge the portfolio. You have decided to use SPX calls. How many contracts do you need if the delta of the call option is 65 and the S\&P indexis currently at 1.250? (Do not round intermediote calculations. A negotive value should be indicated by a minus sign. Round your answer to the nearest whole number.)