vars:movAvgVal(0);
vars:BBupBand(0);
vars:BBdnband(0);
vars:KLupBand(0);
vars:KLdnBand(0);

movAvgVal = Average(close,20);

BBupBand = Bollingerband(close,20,+2);
BBdnBand = Bollingerband(close,20,-2);

KLupBand = movAvgVal + AvgTrueRange(20)*1.5;
KLdnBand = movAvgVal -  AvgTrueRange(20)*1.5;

if movAvgVal > movAvgVal[1]
and BBupBand < KLupBand
and BBdnband > KLdnBand
and close cross over BBupBand
then buy("BBbuy") this bar on close;

if marketposition = 1
then sell next bar at movAvgVal stop;