The relationship between futures price and spot price can be summarized in terms of what is known as the cost of carry. This measures the storage cost plus the interest paid to finance the asset less the income earned on the asset.
If you must play, decide upon three things at the start: the rules of the game,
the stakes, and quitting time
The amount a futures market participant must deposit into a margin account at the time an order is placed to buy or sell a futures contract.