I'm using "PowerPivots Plus" and "Alphaomega Elliot Waves" plug-ings. When I run the system test they seems to be perfect, but in the real world of EOD trading... I've found that "Buy" and "Sell" symbols change from one day to the next day. For example: yesterday, appeared a "Long Entry" symbol, but today it doesn't show it any more!!! (in this example I used the "pp+ Contratian expert") It seems that the expert uses the advantages of the new information and change the olds signals. How can I trust and buy or sell my securities if some days the signals of the expert change? They seems to use the Zig Zag indicator ? Am I doing something wrong? How can I have a "real" system test (today I am using Metastock's EST)? Thanks, DAL PS:Sorry but my English...

Does PP+ include a black box system that really works? For example, I used pp+::T-Fade expert and some signals dissappeared too!!! Which systems do you recomend that DON'T change the Buy/Sell signals?

Henry: Thanks for the link. Are all the experts given in the "Power Pivots Plus Add-on new indicators link" (for example:BPDL HiLo Index MA Expert) 100% secure, meaning that the signals given by them does not change from one day to another? Do you agree with me that I can't trust in experts that gives signs that change everyday? Thanks a lot for your help.