What are the trading rules of Shanghai and Shenzhen 300 stock index options?
1 Maximum order quantity of limit orders at one time: The maximum order quantity of limit orders of Shanghai and Shenzhen 300 stock index options contracts is 20 lots.
2 Trading margin: The margin adjustment coefficient of the CSI 300 stock index option contract is 10%, and the minimum guarantee coefficient is 0.5.
3 Position limit: The unilateral position limit of the Shanghai and Shenzhen 300 stock index option contracts of the same customer in a month is 5000 lots (positions held by different members are calculated by combining).
4. Related expenses: The fee for the CSI 300 stock index option contract is 65,438+05 yuan/lot, and the fee for exercise (performance) is 2 yuan/lot. The exchange will not charge a declaration fee for the Shanghai and Shenzhen 300 stock index option contracts for the time being.
5 Market makers: Market makers of Shanghai and Shenzhen 300 stock index options can apply to the Exchange for automatic hedging and liquidation through members at 9:30- 15:00 on the trading day, and there is no handling fee for automatic hedging and liquidation, which will remain valid after application. Market makers can also apply to cancel the automatic hedging liquidation at the above time. The market maker's unilateral position limit for the Shanghai and Shenzhen 300 stock index option contracts is 60,000 lots per month. Market makers limit their unilateral positions to 20,000 lots per month for the Shanghai and Shenzhen 300 stock index futures contracts. The exchange will strengthen the echelon construction and refined management of market makers.
6 inquiry limit: the inquiry interval of customers for the same option contract shall not be less than 60 seconds. When the optimal bid-ask spread of the option contract is less than or equal to the spread in the table below, no inquiry will be made.