The opposite of bearish is bullish. Being bullish means believing that prices will go up, that is, the market will have a bullish atmosphere and prices will go up. That is, people engaged in securities or stock trading are optimistic about the forward market and expect the securities market to rise in the future.
Put option means that the option holder has the right to sell goods or futures to the option seller at the agreed price within the specified period, but does not undertake the obligation of selling, or unconditionally sells goods or futures during this period.