REI DeMark Indicator

Range Expansion Index is an idea brought by Tomas DeMark to confirm a price force within a certain time gap. It looks like an oscillator for the convenience sake. Once a Rei value crosses the 60th level twice, it signals about a weakening of the price power and aims to close current position. However if value reaches value -60 by entering a bottom zone and leaving it afterwards it is perfect entry for a trade amid strong price. All in all this tool helps to predict a trend start and its exhaust. It might be a good additional tool to any trend distinguisher, available in the codebase.