People dislike losing much more than they enjoy winning. This explains why we hold our dogs too long, and take our profits too soon.  The best short sellers out there understand this psychological quandry, and are able to make bank on it with regularity.  Even knowing this, you will have to fight it continually because emotions, and psychology reignite easily.  Definitely something that programmed buying, and selling do not have to deal with. With POET about to start paying us, maybe you can extract more profit for yourself by being aware.