Leverage, futures is a margin system, which can trade goods n times higher than funds with only a small amount of funds, with a function of four to two thousand pounds.

Short, for example, if you think that the price of steel is too high to support the price, you can sell it first, and then close the position and make a profit when it really falls as you wish. This has another direction, not the price can make money.

Hedging is mainly to make orders in the opposite direction, one is bullish and the other is bearish, which is in a neutral position, so it hedges the risk. . .