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You will get different results when the oldest bar in the look back period
would ordinarily prevent a trade because of its high range. Upon closer
examination, you might find that during the first 30 minutes of that bar,
there was an explosive move causing a large range. The second 30 minutes
may have been a small range. Using the 30 minute bars, with double the
look back, there is one 30 minute bar where the oldest bar with the big
range is dropped from the look back and you have an opportunity to get in
the trade that did not exist with the 60 minute bar.
At 12:02 PM 11/1/02 +0100, you wrote:
>Hello list,
>
>I have the following problem. I have a system working on 60 min bars. If I
>want to use the same system on 30 min bars I only should double the
>parameters for breakoutperiod or not.The system looks back at x bars in the
>60 min timeframe ,so it has to look back 2 x bars at 30 min timeframe. At
>least that's what I thought. It's giving different results in even though I
>have backtested the 60 bar system on tickbasis. Any suggestions??
>
Bill Brower
Email: 1000mileman@xxxxxxxxxxxxxx
Web Site: http://www.insideedge.net
Web Site: http://www.portfolioriskanalysis.com
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