you can sell from the top of the channel. also you can sell if it breaks the short time trendline.
This could happen. but, i am not sure. But I am pretty sure that Elliot wave abcd has begun.
Oil price broke "long-term trend resistance" and also it looks like 5th elliot wave. So if the price breaks the rectangle you can buy.... Also, If it bounces the last support zone you can buy too.
If it is getting a rejection on the top of the channel you can sell. If it breaks the channel you can buy
If it breaks short time resistances, you can buy.