The wisest option is to hold and wait if the prices will break the trendline.
If the prices will not break the trednline - it might be seen as a buy opportunity and vice versa, if the prices will break the trendline, it can be seen as a Sell Opportunity.
If the prices will not break the trednline - it might be seen as a buy opportunity and vice versa, if the prices will break the trendline, it can be seen as a Sell Opportunity.