Option trading is the right to buy and sell securities, the buyer gets the right and the seller gets the deposit. In the transaction of options, the party who buys options is called the buyer, and the party who sells options is called the seller. The buyer is the transferee of the right, and the seller is the obligor who must fulfill the buyer's right.
Fund is a general type of securities investment, which is equivalent to investors giving money to fund companies, and the fund manager decides the investment type and investment strategy. The risk is lower than that of A shares ~