// Downloaded From https://www.WiseStockTrader.com
BMP= (H+L)/2;
BullishClose=IIf(C>BMP,BMP,0);
BearishClose=IIf(C<BMP,BMP,0);
NeutralClose=IIf(C==BMP,1,0);
RTT=Cum(BullishClose*V-BearishClose*V);

Plot( RTT, _DEFAULT_NAME(), ParamColor("Color", colorCycle ), ParamStyle("Style")  );
Plot( MA( RTT, 21 ), "MA21TTRPower", colorBlue, styleLine );