From the trading rules of different attributes of SSE 50ETF options;
Only when the opening price is more than 5000 yuan, the contract with the price above 50 yuan can be sold. The opening margin for selling is 65,438 yuan+0,000 yuan, and the intra-day maintenance margin is 500 yuan. You can stay overnight, and there is no overnight fee. When the option expires at 14:50, the real contract will be closed, and the imaginary contract will not be closed, and no handling fee will be charged.
The selling position will be closed on the maturity date 14:30, and the total number of all seller positions can not exceed 20 options. The overnight deposit is 3,000 yuan each, and the system 14:57 will check the seller's position. If the overnight deposit is insufficient, it will be leveled.
Generally speaking, the contract types are call option and put option, which is what we often say. The contract unit is 10000 copies/piece, and the expiration month of the contract is the current month, the next month, the next quarter, and one * * * four months. For example, the current month is 10, and the current months when the trading contract expires are 10,1,12 and March of the following year.