LC:=REF(CLOSE,1);
RSI:=SMA(MAX(CLOSE-LC,0),7,1)/SMA(ABS(CLOSE-LC),7,1)*100;
N:=CLOSE-REF(CLOSE,1);
ISUP:=CLOSE>OPEN;
BUYCOND:=EVERY(ISUP,2) AND EVERY(N>0,2) AND RSI<=21;
ISDOWN:=CLOSE<OPEN;
SELLCOND:=EVERY(ISDOWN,2) AND EVERY(N<0,2) AND RSI>=79;
BUY1:=BUYCOND AND NOT(REF(BUYCOND,1));
SELL1:=SELLCOND AND NOT(REF(SELLCOND,1));
DRAWICON(BUY1,L,1);
DRAWICON(SELL1,H,2);
