DIFF := EMA(CLOSE,12) - EMA(CLOSE,26);
DEA := EMA(DIFF,9);
MACD :2*(DIFF-DEA), COLORSTICK;
n1:sumbars(macd>0 and ref(macd<0,1),1);
n2:sumbars(macd<0 and ref(macd>0,1),1);
n3:sumbars(macd>0 and ref(macd<0,1),2);
n4:sumbars(macd<0 and ref(macd>0,1),2);
a1:ref(llv(low,n2),n1);
a2:ref(llv(low,n2),n3);
a3:ref(llv(low,n2),n4);