Hi 2MC, Here's a brief comparison of MACRO MattMod and MACRO AIM, with the same parameters. Both methods look pretty good. <img src=http://www.ttrader.com/mycharts/charts/doncarlson/NDX-100%20MACRO%20MattMod%20&.%20MACRO%20AIM.gif[/Chart] I just can't get the charts to display: <A HREF="http://www.ttrader.com/mycharts/display.php?p=5482&u=doncarlson&a=Don's%20Charts&id=219" target="_new">http://www.ttrader.com/mycharts/display.php?p=5482&u=doncarlson&a=Don's%20Charts&id=219</A> >