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What is the formula for calculating futures margin?
Futures trading adopts margin mode, with margin of futures contract = total value of futures contract * margin ratio, and margin ratio = exchange margin ratio+futures company margin ratio.

For example, if the current price of the rebar 18 10 contract is 2428 yuan/ton, the total value of the primary contract =2428 yuan/ton * 10 ton =24280 yuan, and the rebar 18 10 contract exchange

In the futures market, traders can pay a small amount of money according to a certain proportion of the price of futures contracts as financial guarantee for the performance of futures contracts and participate in the trading of futures contracts. This kind of money is the futures margin. There are two kinds of trading margin and settlement reserve in the transaction.

Trading margin refers to the actual deposit paid by member units or customers for holding futures contracts in futures trading.

Settlement reserve is generally paid by member units to the exchange according to fixed standards, which is prepared in advance for transaction settlement. Settlement reserve refers to the funds prepared in advance by members in the special settlement account of the exchange for transaction settlement, which is the deposit not occupied by the contract. The minimum balance of the settlement reserve shall be determined by the exchange.