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Strategies & Market Trends : TA-Quotes Plus -- Ignore unavailable to you. Want to Upgrade?

To: Alain Joaris who wrote (5567)	7/24/1998 1:58:00 PM
From: Rick Slemmer	Read Replies (1) \| Respond to of 11149

Alain: Backtesting doesn't work with QP1, since the loop(0,-250) starts the scan at Day(0) and goes back to Day(-250), so the first hit is not what you might be looking for while backtesting (I think this is the same problem with QP2). I backtest regularly using QP1. All that's needed is to write the scan so that the point of interest is -3 or however many days ago. F'rinstance: I want to know how an 10-day/50-day MA crossover will reflect empirically in 3 days. The scan goes something like this: 10-dma(-5) < 50-dma(-5) 10-dma(-3) > 50-dma(-3) [Crossover happened on day -4 or -3] Println Close(0) This is, of course, a very simple rendition. By adding a Loop statement, you can get as many 10/50-dma crossovers as you want to examine. I've asked Gary to implement a "show me" function in QP3 to show where specified conditions are met on a historical chart. Hope this helps. RS

To: Alain Joaris who wrote (5567)	7/29/1998 1:09:00 PM
From: Dale Wingo	Read Replies (1) \| Respond to of 11149

Alain, Thanks for sharing your experience Your backtesting setup sounds interesting. I've not used QP Ver1 so I didn't exactly follow your procedure but sounds as if it works nicely for you! FYI.. I've sent Gary the revised VB programs. There is one remaining issue and as soon as I hear back from him I'll fix that. These programs should prove to be a good start on anything you wish to do on your own. I've also expressed and interest in writing a backtesting program to Gary but haven't heard back from him. Glad you found this useful. Dale