[waveslider]

I think they used to be used more often when they gave a greater edge to the floor traders. That was when it was more of a boys club and they gave the wink as everyone got faked out at those levels.

Now they're just points of reference like a 50 and 200 day MA. Psychological levels. I think you could visually look for congestion levels on a chart, weighing recent action more heavily, and do better than these lines. That's all MP is anyway..