You can do it using a DataSeries on an indicator, but I always just used a flat text file to communicate between strategies. If you look in the Downloads section you'll find a tool called 'exportdata' for NT that has 95% of the logic you need to create and write text files, to read them is not any harder.
Then the idea is the strategy first checks the text file before deciding to do something, and if is "OK" then it writes to the text file something so that the other strategy then knows to do something different, etc.
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Need help? 1) Stop changing things. No new indicators, charts, or methods. Be consistent with what is in front of you first. 2) Start a journal and post to it daily with the trades you made to show your strengths and weaknesses. 3) Set goals for yourself to reach daily. Make them about how you trade, not how much money you make. 4) Accept responsibility for your actions. Stop looking elsewhere to explain away poor performance. 5) Where to start as a trader? Watch this webinar and read this thread for hundreds of questions and answers. 6) Help using the forum? Watch this video to learn general tips on using the site.
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