Chart selection from 1 MT4 account, shows on all MT4 accounts. Can be issue for EA account!

 

How can I make chart selection exclusive per account..?

 
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Please consider which section is most appropriate — https://www.mql5.com/en/forum/172166/page6#comment_49114893
 
ks001: How can I make chart selection exclusive per account..?

Then don't switch trading accounts with active charts and indicators, and especially not with active EAs.

Instead create separate installations of the terminal, each for its own trading account.