活跃度指标，
用起来蛮好的。
源码：
VAR1:=MA(BARSLAST(LOW=LLV(LOW, 10))*IF(CLOSE>OPEN, VOL, 1), 4);Var2:=MA(BARSLAST(HIGH=HHV(HIGH, 14))*IF(CLOSE<OPEN, VOL, 1), 3);Var3:=VAR1;空:IF(VAR1>=0, VAR2, 0),colorgreen,linethick1;多:EMA(Var3,5),colorred,linethick1;趋势:EMA(多,18),colorliblue,linethick1;
