Author of idea — Iurii Tokman, author of the MQL5 code — barabashkakvn.Â
The Expert Advisor is based on the ADX Wilder and Ichimoku Kinko Hyo indicators. Lot is calculated based on risk percentage of margin.
Regarding the choice of the timeframe:
The ADX indicator is provided with a separate setting “adx_timeframe”. Its default value is PEROID_M1.
The Ichimoku indicator does not have timeframe settings — the PERIOD_H1 timeframe is hard coded for it.
Also, in the trend direction detecting module, the bar Close price of the PERIOD_H1 timeframe is used:
  double sb = iIchimokuGet(CHIKOUSPAN_LINE,0);   double close=iClose(0,m_symbol.Name(),PERIOD_H1);   double cf=MathAbs(ts-ks)/m_symbol.Point();
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