Mr. Raskolnikov, I use the postulated P-V relation in my own way in the context of support and resistance trading, where it fits in nicely as an indicator of whether or not the potential S or R is holding. But what I do is a far cry from trying to draw sloping lines on volume bars that have a high degree of random content and often erroneous values (typically on the order of ten percent of volume is unreported because the charting algorithms can't calculate it). In an index future the volume at any given time may be totally unrelated to what is happening in the price of the future because of hedging trades in a myriad of other related instruments. Basically what I am saying is that Mr. Hershey has built a theoretical edifice based on hypotheses, not on market reality. That edifice works magnificently under some circumstances where his hypotheses fit, and miserably under others where they don't fit. By the way, this is a fun dialogue. Debating does so help one to clarify one's thoughts. And this is the only place a solitary trader can find someone to debate. Thanks.
