There are two roles to analyze in options trading: the buyer and the seller. For option buyers, what they need to pay is a premium, not a margin. The premium is the fee paid by the buyer to the seller to obtain the rights conferred by the option contract. The buyer's biggest loss is the premium, so there is no need to pay a deposit. So what is the option margin in general?
1. What is the general margin of options?
Margin for options is subject to change depending on the situation. Here are some common scenarios for option margin:
1.**Options: When an investor buys an option as a buyer, there is usually no need to pay a margin. This is because as a buyer, they only assume rights and no obligations.
2.Sell Options: When an investor acts as a seller** option, a margin deposit is required. This part of the margin is set based on the value of the option contract and the rules of the exchange. Specifically, the seller's margin will fluctuate according to the contract's ** movement and may be required to meet certain maintenance margin requirements. 123
3.Margin Standards for Options Platforms: On some options platforms, the seller's margin may vary. For example, some platforms may stipulate that the intraday selling margin is 5,000 yuan, the intraday maintenance margin is 3,000 yuan, and the overnight daily margin is 3,000 yuan.
4.Option contract unit: The contract unit of all ETF options on the exchange is usually 10,000 contracts, that is, each option contract represents the right to 10,000 contract values.
5.Calculation method: The margin calculation of options involves the product of the last price of the contract and the value of the contract unit. For example, for a call option, the opening margin for an obligated position can be the pre-contract settlement price plus a percentage multiplied by the contract unit. In the case of a put option, it is a function of taking the minimum or maximum value, and its expression is similar to that of a call option.
In summary, the margin of an option depends on whether you are a buyer or seller, the type of option being traded, and the specific platform regulations. For sellers, the exact amount of the margin will vary depending on the contract** and the platform's standards.
2. What is the general margin of the option seller? How is it calculated?
The amount of option margin is related to the contract unit, option contract**, number of lots, and margin ratio, and the calculation formula is: option margin = position value margin ratio. Where, position value = contract unit option contract** number of lots.
Take an option contract as an example, the contract unit is 100 shares, and the option contract** is 25 yuan, the number of lots is 10 lots, and the margin ratio is 30%, then the position value of the option contract is 2500 yuan, and the option margin is 750 yuan.
Different ** companies have different margin ratio requirements, and investors need to choose according to the actual situation.
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3. What is the margin for the seller of the following 50ETF options today?
There is a fixed formula for calculating the exchange option margin, which is as follows
Formula 1: Opening margin of the call option obligation position = [pre-contract settlement price + max (12% of the previous ** price of the underlying contract - call option is out-of-value, 7% of the previous ** price of the underlying contract)] contract unit.
Formula 2: Margin for the Obligation Position of Put Option = min [Settlement Price Before Contract + MAX (12% of the Underlying Price of the Contract - False Value of Put Option, 7% Exercise**) Exercise**] Contract Unit.
The above algorithm may be more complicated in the eyes of everyone, and the amount of margin that the seller needs to pay when the user opens an account with a brokerage is calculated according to the above. If you choose the re-option platform as the seller, the option platform will directly calculate the margin fee that needs to be paid for you, so you don't have to worry about the margin calculation method.
How much margin is needed for a 50 ETF option on the options platform, at present, the margin of the option seller is more than 5,000 yuan, and the ** value of the contract may even be higher, which needs to be converted according to the above formula.
From the above, it can be seen that in the process of options trading, the seller is more than the buyer's transaction for a margin fee, in order to act as a guarantee in the later stage under the large fluctuation.
As an option seller, it can be said that the risk is unlimited, and the winning rate of the seller is relatively stable in most of the ** states, that is, a lot of funds are required in the early stage.
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