The calculation formula of futures margin: the amount of margin occupied by a futures contract in N hands = settlement price of the day × trading unit (contract multiplier) × futures margin rate ×N hands.

For example, if the rebar margin ratio is 9% and the transaction price is 3 150 yuan, the margin is 3150×10× 9 %× 8 = 22680.

What is a futures margin?

Futures margin refers to the need to pay part of the funds to buy contracts in futures trading, which is called margin. Margin is a kind of guarantee for purchasing futures contracts, which is paid according to a certain proportion of futures prices.