If volatility () of the underlying stock return increases:

(A) Both Put option price and Call option price increase

(B) Call option price decreases and Put option price increases

(C) Put option price decreases and Call option price increases

(D) Both Put option price and Call option price decrease

Which of following should be used by investors to hedge against a decrease in the S&P index?

(A) Long Futures on the S&P index

(B) Long Call Options on the S&P index

(C) Short Futures on the S&P index

(D) Long Forward on the S&P index