The company pays dividends to the stock after the ex-dividend date. Under normal circumstances, the stock price will drop by the amount of the dividend on the ex-dividend date. For options with an expiration date after the ex-dividend date, the market will take into account the factor of dividends. The premium of call options will be lower, and the premium of put options will be higher.
通常情况下，公司对股票进行分红在除息日之后，股票的价格会下跌相应的股息数额。对于到期日在除息日之后的期权，市场会考虑到派息的因素，使得看涨期权的权利金会偏低，而看跌期权的权利金偏高。