"If you believe the basis for a futures contract is wider than warranted by current market conditions, you may simultaneously enter into a long futures and a short spot position. You will profit if the basis subsequently narrows, meaning that the futures price goes up and/or the spot price goes down" True or false?

Forward, futures, and options are all zero-sum games between the long and the short positions." True or false?

"Based on modern portfolio theory, if the underlying asset for a futures contract has a positive beta, F₀T). This result is consistent with the normal backwardation hypothesis " True or false?

You sell short 100 shares of the ERT stock at $60 per share. Assume your broker requires an initial margin of 50% and a maintenance margin of 20%. If the stock price increases to $80, how much money do you have to add to your account to restore the maintenance margin of 20%? a.650 b, 625 c. 675 d. 600