The opinions of this forum differ somewhat from Mr Jurik (no surprise hey?). Here is an email I received today after making an inquiry
You may find information about the Jurik JMA here ...
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http://www.jurikres.com/catalog/ms_ama.htm#top
Everyone likes free indicators, especially moving averages that appear to rival the Jurik JMA. However, professionals, institutions and banks all recognize the value JMA has over other filters, including the Hull MA. JMA is adaptive, designed especially to handle extreme market conditions, including price gaps. JMA is the workhorse gold standard all other filters are compared to.
To see what users have to say about JMA, go here ...
http://www.jurikres.com/quotes/mainquot.htm#ama>>>
Does anyone think Jurik is better than Hull?