Indicator calculate RSI values for several instruments and several timeframes and compares last value RSI and (last-[RSI_Step]) value.
Diff=RSI(last)-RSI(last-[RSI_Step].
If Diff<[Difference] and Diff>-[Difference] then indicator have a neutral signal,
if Diff>[Difference] and Diff<[SDifference] then indicator have a UP signal,
if Diff>[SDifference] then indicator have a Strong UP signal.
Also for DOWN signals.
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