VAR0:=(3 * CLOSE + LOW + OPEN + HIGH)/6;VAR1:=(20 * VAR0 + 19 * REF(VAR0,1) + 18 * REF(VAR0,2) + 17 * REF(VAR0,3) + 16 * REF(VAR0,4) + 15 * REF(VAR0,5) + 14 * REF(VAR0,6) + 13 * REF(VAR0,7) + 12 * REF(VAR0,8) + 11 * REF(VAR0,9) + 10 * REF(VAR0,10) + 9 * REF(VAR0,11) + 8 * REF(VAR0,12) + 7 * REF(VAR0,13) + 6 * REF(VAR0,14) + 5 * REF(VAR0,15) + 4 * REF(VAR0,16) + 3 * REF(VAR0,17) + 2 * REF(VAR0,18) + REF(VAR0,21))/210;VAR2:=EMA(VAR1,15);VAR3:=HHV(CLOSE,90);VAR4:=LLV(CLOSE,90);VAR5:=VAR3 - VAR4;VAR