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<p id="isPasted">Expert Advisors can open, modify and close orders based on whatever rules you want to use. I have written hundreds of EAs for MT4 with many having a setup indicator signal followed by confirmation within a number of bars from other indicators. Others require indicators to all signal together. It is also possible to use higher time frame indicator values as filters.</p><p>As stated by others, I would be careful buying an EA as many use a particular period of time to show how successful they are while before or after that time period they failed.</p><p>There are several forums …</p>