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To: Chris G. who wrote (7346)	12/28/1997 4:59:00 PM
From: Richard Estes	Read Replies (1) \| Respond to of 12039

You can be looking at an OBV in the millions depending on volume of stock. your monitor, pixel setting, etc can affect picture you see. Eyeballing is dangerous as I have said. The formula should give you correct readings. The manual may not cover every detail. What is your pixel setting? I use 1024X 768, 265 colors on 17 monitor. I don't see it as a problem.

To: Chris G. who wrote (7346)	12/28/1997 5:19:00 PM
From: Craig DeHaan	Read Replies (1) \| Respond to of 12039

RE: OBV problem I mentioned a couple days ago that calculation of OBV starts with a value of 0 for the oldest day (on the screen?), the total volume for an up day is added to the OBV, while the total volume for a down day is subtracted from the OBV. The volume for an unchanged day is ignored. There is a pronounced shift in origin within Q+ display screen when you zoom in and out specifying screen periods, but I didn't realized that MS has it too. But is it a problem? Think about how the calculation is determined and since in accumulates from some starting point where should that point be: the earliest data in the database or the first point on the left of the screen? The OBV>40SMA should be a wash whereever the starting point is assuming you're viewing at least 2X that many days.