How did we know that today was going to be a trending day, and for that matter, an extremely profitable day? We look at three things on the open. 1. Prior day’s close Looking at the prior day’s close, we established (after Globex overnight trading) that today would be a gap down. Statistics show that approx. 80% of gaps fill, but the larger the gap, the less likely the gap is to fill and the more likely it is to…