The seller of premium options will certainly suffer losses. On the contrary, for put options, S.
If the contract holder performs it immediately, there will be no profit or loss. This option is a flat option or a parity option. The holder does not need to exercise the option under the affirmative option.
If the maturity date is entitled to s
Time limit for option exercise
Exercise period (expiration date) (expiration date or expiration date).
Every option contract has an effective exercise period, after which the option contract is invalid. Generally speaking, the exercise period of options ranges from one to three months, six months and nine months, and the option contract of a single stock is valid for up to nine months. The expiration date of OTC options is tailored to the needs of buyers and sellers.
However, in the options exchange, any stock must be divided into a specific period of validity, which can be divided into the following categories: ① 1 month, April, July,1month; ② February, May, August and November; ③ March, June, September and December. They are called January cycle, February cycle and March cycle respectively.
According to the different execution time, options can be mainly divided into two types, European options and American options. European option refers to the option that can only be executed on the expiration date of the contract, which is adopted in most floor transactions. American options refer to options that can be exercised on any day after trading, and are mostly adopted by OTC exchanges.