Whether bullish or bearish, you can do more short. A call option is a call option and a put option is a put option. The simplest understanding is that if the stock price is bullish in the future, it will buy bullish, and if the stock price is bearish in the future, it will buy bearish.

Buying and selling are two important stock transactions. Subscription is also called subscription, or call option. Put option is also called put option. You can buy and sell call and put options. There are four operations: buy bullish and sell bullish, buy bearish and sell bearish.