1. What would happen if your long (or short) futures contracts werent closed out automatically for you at the end of the month (at the delivery date)?

2. What is the profit (or loss) generated on a position that is long 5 contracts @ $80.00, when the price of crude falls to $75.00?

3. If there was an increase of 5 million barrels of crude in storage for a particular week, why is the price reaction different given an expectation that the increase would be 4 million barrels versus 6 million barrels?