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How big is the stock index futures contract?
The contract size of stock index futures is calculated according to the contract quotation *300.

For example, today's futures contract if112 closes at 2737.6, so its contract size is: 2737.6*300=82 1280. That is to say, the value of 1 index if112 is 82 1.28 million yuan.

The calculation formula of funds required during the purchase period is: contract points *300* number of buyers and sellers * margin rate.