Markets, speculation, risk.
Joe
Added topic Indicator stops firing events after period change by SetSymbolPeriod()
I open chart, add custom indicator . Next I change period by calling SetSymbolPeriod() method. If the change is for example from PERIOD_M1 to PERIOD_H1 and back to PERIOD_M1 there is no problem. But if the change is for example from PERIOD_H4 to